Kubota M100GX User manual

English (Australia)
Code No. 3Y206-9971-1
M100GX·M110GX
M126GX·M135GX
MODELS
OPERATOR'S MANUAL
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© KUBOTA Corporation 2012
PRINTED IN JAPAN
READ AND SAVE THIS MANUAL

KUBOTA Corporation is ···
Since its inception in 1890, KUBOTA Corporation has grown to
rank as one of the major firms in Japan.
To achieve this status, the company has through the years
diversified the range of its products and services to a remarkable
extent. Nineteen plants and 16,000 employees produce over 1,000
different items, large and small.
All these products and all the services which accompany them,
however, are unified by one central commitment. KUBOTA makes
products which, taken on a national scale, are basic necessities.
Products which are indispensable. Products which are intended to
help individuals and nations fulfill the potential inherent in their
environment. KUBOTA is the Basic Necessities Giant.
This potential includes water supply, food from the soil and from
the sea, industrial development, architecture and construction, and
transportation.
Thousands of people depend on KUBOTA's know-how, technology,
experience and customer service. You too can depend on
KUBOTA.
M100GX/M110GX/M126GX/M135GX
AQ . L . 1 - 1 . 2 . AK
Abbreviations Definitions
ABBREVIATION LIST
Two Wheel Drive
Four Wheel Drive
American Petroleum Institute
American Society of Agricultural and Biological Engineers, USA
American Society for Testing and Materials, USA
Deutsches Institut für Normung, GERMANY
Dual Traction [4WD]
Feet Per Minute
Glide Shift Transmission
High Speed-Low Speed
Hydrostatic Transmission
Meters Per Second
Power Take Off
Right-hand and left-hand sides are determined by facing
in the direction of forward travel
Roll-Over Protective Structures
Revolutions Per Minute
Revolutions Per Second
Society of Automotive Engineers, USA
Slow Moving Vehicle
2WD
4WD
API
ASABE
ASTM
DIN
DT
fpm
GST
Hi-Lo
HST
m/s
PTO
RH/LH
ROPS
rpm
r/s
SAE
SMV

UNIVERSAL SYMBOLS
As a guide to the operation of your tractor, various universal symbols have been utilized on the instruments and
controls. The symbols are shown below with an indication of their meaning.
Safety Alert Symbol
Engine Warning
Diesel Fuel
Engine-Rotational Speed
Hourmeter/Elapsed
Operating Hours
Engine Coolant-
Temperature
Diesel Preheat/Glow
Plugs(Low Temperature
Start Aid)
Parking Brake
Engine Oil-Pressure
Turn Signal
Electrical Power-
accessories
Engine-Run
Engine-Start
Engine-Stop
Power Take-Off Clutch
Control-Off (Disengaged)
Position
Power Take-Off Clutch
Control-On (Engaged)
Position
Bi-Speed turn
Differential Lock, Front
Differential Lock, Rear
Auto-Mode
Position Control-Raised
Position
Position Control-Lowered
Position
3-Point Lifting / Lowering
Lift Arm Height
Draft Control
Remote Cylinder-Retract
Remote Cylinder-Extend
Remote Cylinder-Float
Hazard Warning Lights
Headlight-Low Beam
Headlight-High Beam
Four-Wheel Drive-On
Fast
Slow
Creep
Windshield Wiper
Windshield Wiper
Intermittent
Windshield Washer
Audible Warning Device
Lock
Rear Window Defroster
Steering Wheel-Tilt Control
Steering Wheel-Telescope
Control
Side Window Defroster
Empty
Full
PTO 540 rpm
PTO 1000 rpm
Engine Intake/Combustion
Air-Filter
Battery Charging Condition
Rev-limiter Control
Constant RPM Management
Front Suspension
Regeneration
Auto Regeneration (Switch)
Regeneration (Switch)
Parked Regeneration
Engine RPM Increase
Master System Warning
Beacon Light

FOREWORD
3
SAFETY FIRST
IMPORTANT :
NOTE :
3DANGER :
3WARNING :
3CAUTION :
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Indicates that equipment or property damage could result if
instructions are not followed.
Gives helpful information.
You are now the proud owner of a KUBOTA Tractor. This tractor is a product of
KUBOTA quality engineering and manufacturing. It is made of fine materials and
under a rigid quality control system. It will give you long, satisfactory service. To
obtain the best use of your tractor, please read this manual carefully. It will help you
become familiar with the operation of the tractor and contains many helpful hints
about tractor maintenance. It is KUBOTA's policy to utilize as quickly as possible
every advance in our research. The immediate use of new techniques in the
manufacture of products may cause some small parts of this manual to be
outdated. KUBOTA distributors and dealers will have the most up-to-date
information. Please do not hesitate to consult with them.
This symbol, the industry's ''Safety Alert Symbol'', is used throughout this manual
and on labels on the machine itself to warn of the possibility of personal injury.
Read these instructions carefully. It is essential that you read the instructions and
safety regulations before you attempt to assemble or use this unit.

CONTENTS
SAFE OPERATION ............................................................................................ -1
SERVICING OF TRACTOR......................................................................................... 1
SPECIFICATIONS....................................................................................................... 3
SPECIFICATION TABLE ......................................................................................... 3
TRAVELING SPEEDS ............................................................................................. 5
IMPLEMENT LIMITATIONS ........................................................................................ 6
INSTRUMENT PANEL AND CONTROLS................................................................... 8
PRE-OPERATION CHECK ....................................................................................... 13
DAILY CHECK ....................................................................................................... 13
OPERATING THE ENGINE....................................................................................... 14
EXHAUST AFTERTREATMENT DEVICES........................................................... 14
Diesel Oxidation Catalyst and Diesel Particulate Filter (DPF) Muffler ............................14
Handling Points............................................................................................................... 15
DPF Regeneration Process ............................................................................................ 15
Regeneration Operating Procedure................................................................................ 17
PM Warning Level and Required Procedures ................................................................18
Regeneration Operating Procedure................................................................................ 19
PM Warning Level and Required Procedures ................................................................20
Tips on DPF Regeneration .............................................................................................21
STARTING THE ENGINE ...................................................................................... 21
COLD WEATHER STARTING ............................................................................... 26
Block Heater (if equipped) .............................................................................................. 26
STOPPING THE ENGINE...................................................................................... 26
WARMING UP ....................................................................................................... 26
Warm-up and Transmission Oil at Low Temperature Range ......................................... 26
JUMP STARTING .................................................................................................. 27
OPERATING THE TRACTOR ................................................................................... 28
OPERATING NEW TRACTOR .............................................................................. 28
Do not Operate the Tractor at Full Speed for the First 50 Hours.................................... 28
Changing Lubricating Oil for New Tractors..................................................................... 28
BOARDING AND LEAVING THE TRACTOR ........................................................ 28
STARTING ............................................................................................................. 28
Operator's Seat............................................................................................................... 28
Seat Belt ......................................................................................................................... 30
Instructional Seat ............................................................................................................ 30
Steering Adjustment ....................................................................................................... 31
Extendable Mirror ........................................................................................................... 31
Light Switch ....................................................................................................................31
Turn Signal / Hazard Light Switch ..................................................................................31
With Trailer Connector.................................................................................................... 32
Horn Button.....................................................................................................................32
Work Light Switch (Front) ...............................................................................................32
Work Light Switch (Rear)................................................................................................32

CONTENTS
Brake Pedals (Right and Left).........................................................................................33
Clutch Pedal ...................................................................................................................34
Power Shift / Range Shift Lever (PS. Lever) .................................................................. 35
DHC switch.....................................................................................................................36
Shuttle Lever...................................................................................................................37
Creep Lever (if equipped)............................................................................................... 37
4WD / Bi-speed Turn Switch [4WD model].....................................................................38
Hand Throttle Lever ........................................................................................................ 39
Foot Throttle ...................................................................................................................39
Rev-limiter Control Dial................................................................................................... 39
Parking Brake Lever .......................................................................................................39
STOPPING............................................................................................................. 39
Stopping.......................................................................................................................... 39
CHECK DURING DRIVING ................................................................................... 39
Immediately Stop the Engine if:......................................................................................39
Easy Checker(TM).......................................................................................................... 40
Fuel Gauge.....................................................................................................................41
Coolant Temperature Gauge .......................................................................................... 41
Tachometer.....................................................................................................................41
Hour / Trip Monitor..........................................................................................................41
SIDE DIGITAL DISPLAY........................................................................................ 42
Initial Setting ................................................................................................................... 42
Factory-set Screen Display.............................................................................................44
ELECTRONIC ENGINE CONTROL....................................................................... 47
Rev-limiter Control Setting.............................................................................................. 47
RPM Dual Memory Setting .............................................................................................47
Constant RPM Management Control..............................................................................50
AUTO MODE ......................................................................................................... 51
Outline ............................................................................................................................ 51
Operation........................................................................................................................ 53
Work Speed Display .......................................................................................................54
Changing the Field Speed ..............................................................................................55
Sensitivity Adjustment..................................................................................................... 56
Changing the Auto-Mode Setting....................................................................................56
FRONT SUSPENSION .......................................................................................... 59
Outline ............................................................................................................................ 59
Suspension Switch ......................................................................................................... 59
Ride Condition Damper Switch.......................................................................................61
Manual Control Mode .....................................................................................................61
PARKING ............................................................................................................... 62
Parking............................................................................................................................ 62
OPERATING TECHNIQUES ................................................................................. 62
Differential Lock..............................................................................................................62
Rear Wheel Differential Lock Pedal................................................................................ 63
Front Wheel Differential Lock Switch..............................................................................63
Operating the Tractor on a Road....................................................................................64
Operating on Slopes and Rough Terrain ........................................................................ 64
Transport the Tractor Safely........................................................................................... 64
Directions for Use of Power Steering.............................................................................. 64
Trailer Electrical Outlet ................................................................................................... 65
PTO ........................................................................................................................... 66

CONTENTS
PTO OPERATION.................................................................................................. 66
PTO Clutch Control Switch............................................................................................. 66
PTO Gear Shift Lever .....................................................................................................67
PTO Gear Shift Lever .....................................................................................................68
PTO Shaft Cover and Shaft Cap ....................................................................................68
THREE-POINT HITCH & DRAWBAR........................................................................ 69
3-POINT HITCH ..................................................................................................... 70
Selecting the holes of Lower Links .................................................................................70
Adjusting Lateral Float .................................................................................................... 70
Selecting the Top Link Mounting Holes ..........................................................................70
Drawbar .......................................................................................................................... 70
Remote Hitch UP / DOWN Switch .................................................................................. 71
Lifting Rod (Left) .............................................................................................................71
Lifting Rod (Right)........................................................................................................... 71
Top Link.......................................................................................................................... 72
Telescopic Stabilizers ..................................................................................................... 72
Quick Hitch (Hook type)..................................................................................................72
DRAWBAR............................................................................................................. 74
Adjusting Drawbar Length .............................................................................................. 74
Swing Drawbar ............................................................................................................... 74
HYDRAULIC UNIT..................................................................................................... 75
3-POINT HITCH CONTROL SYSTEM................................................................... 75
Terminology....................................................................................................................75
Mode Selector Switch ..................................................................................................... 76
Position Control Mode ....................................................................................................76
Mixed Draft Control Mode............................................................................................... 77
Float Control ...................................................................................................................77
Bottom Limit Control Dial................................................................................................ 78
Lift Arm Top Limit Adjustment Dial .................................................................................78
3-Point Hitch Lowering Speed Adjustment Dial .............................................................. 78
3-Point Hitch Lowering Lock Lever.................................................................................78
3-P. Quick Raise / Lower Switch ....................................................................................79
3-Point Hitch's Position Lock .......................................................................................... 80
REMOTE HYDRAULIC CONTROL SYSTEM........................................................ 80
Remote Control Valve..................................................................................................... 80
Remote Control Valve Lever........................................................................................... 80
Remote Control Valve Coupler Connecting and Disconnecting .....................................81
Adjusting the flow rate ....................................................................................................81
Remote Couplers Spillage Collector............................................................................... 82
Hydraulic Control Unit Use Reference Chart.................................................................. 83
TIRES, WHEELS AND BALLAST.............................................................................. 84
TIRES..................................................................................................................... 84
Inflation Pressure............................................................................................................ 84
Dual Tires ....................................................................................................................... 84
WHEEL ADJUSTMENT ......................................................................................... 85
Front Wheels (with four wheel drive) ..............................................................................85
Adjusting Front Wheel Turning Stopper Bolt ..................................................................86
Rear Wheels ................................................................................................................... 87
BALLAST ............................................................................................................... 88
Front Ballast.................................................................................................................... 88

CONTENTS
Rear Ballast ....................................................................................................................89
CAB OPERATION ..................................................................................................... 90
DOOR AND WINDOW........................................................................................... 90
Locking and Unlocking the Door..................................................................................... 90
Opening the Door ........................................................................................................... 90
Rear Window .................................................................................................................. 90
Sun Roof......................................................................................................................... 91
Emergency Exit............................................................................................................... 91
DOME LIGHT......................................................................................................... 91
Dome Light .....................................................................................................................91
WIPER ................................................................................................................... 91
Front Wiper / Washer Switch.......................................................................................... 91
Rear Wiper / Washer Switch...........................................................................................92
Using the Wipers in Cold Season................................................................................... 92
AIR CONDITIONER ............................................................................................... 92
Airflow .............................................................................................................................92
Air Control Vent ..............................................................................................................93
Control Panel..................................................................................................................93
Operation........................................................................................................................ 94
INSTALLING THE IMPLEMENT CONTROL BOX................................................. 96
ELECTRICAL OUTLET.......................................................................................... 96
Electrical Outlet...............................................................................................................96
BEACON LIGHT .................................................................................................... 97
Beacon Light Switch ....................................................................................................... 97
MAINTENANCE......................................................................................................... 98
SERVICE INTERVALS .......................................................................................... 98
LUBRICANTS, FUEL AND COOLANT ................................................................ 102
PERIODIC SERVICE............................................................................................... 104
HOW TO OPEN THE HOOD ............................................................................... 104
Hood ............................................................................................................................. 104
Side Cover .................................................................................................................... 104
DAILY CHECK ..................................................................................................... 104
Walk Around Inspection................................................................................................ 105
Checking and Refueling................................................................................................ 105
Checking Water Separator ........................................................................................... 105
Checking Engine Oil Level............................................................................................ 106
Checking Transmission Fluid Level.............................................................................. 106
Checking Coolant Level................................................................................................ 106
Cleaning Evacuator Valve ............................................................................................107
Cleaning Grill, Radiator and Screen .............................................................................107
Checking DPF Muffler................................................................................................... 109
Checking Brake Pedal .................................................................................................. 109
Checking Gauges, Meter and Easy Checker(TM) ........................................................109
Checking Head Light, Turn Signal / Hazard Light etc...................................................109
Checking Seat Belt ....................................................................................................... 109
Checking Movable Parts............................................................................................... 109
EVERY 50 HOURS .............................................................................................. 110
Checking Engine Start System ..................................................................................... 110
Checking Wheel Bolt Torque........................................................................................ 111
Checking Tie-rod Dust Cover ....................................................................................... 111

CONTENTS
EVERY 100 HOURS ............................................................................................ 111
Lubricating Grease Fittings........................................................................................... 111
Cleaning Air Cleaner Primary Element ......................................................................... 113
Adjusting Fan Belt Tension........................................................................................... 114
Checking Fuel Line....................................................................................................... 114
Adjusting Brake Pedal .................................................................................................. 115
Adjusting Parking Brake Lever ..................................................................................... 115
Checking Battery Condition ..........................................................................................116
EVERY 200 HOURS ............................................................................................ 117
Checking Radiator Hose and Clamp ............................................................................117
Checking Oil Cooler Line .............................................................................................. 119
Checking Intake Air Line............................................................................................... 119
Checking Power Steering Line ..................................................................................... 119
Adjusting Toe-in............................................................................................................ 120
Draining Fuel Tank Water.............................................................................................120
Cleaning Inner Air Filter................................................................................................ 121
Cleaning Fresh Air Filter............................................................................................... 121
Adjusting Air-Conditioner Belt Tension......................................................................... 122
EVERY 300 HOURS ............................................................................................ 122
Replacing Hydraulic Oil Filter ....................................................................................... 122
EVERY 400 HOURS ............................................................................................ 123
Changing Engine Oil..................................................................................................... 123
Replacing Engine Oil Filter ........................................................................................... 124
Checking Fan / Air-conditioner Belt Tension ................................................................ 124
Cleaning Pre-Fuel Filter................................................................................................ 126
Replacing Fuel Filter..................................................................................................... 126
Cleaning Water Separator ............................................................................................126
Cleaning Fuel Solenoid Pump Element ........................................................................ 127
EVERY 600 HOURS ............................................................................................ 128
Changing Transmission Fluid ....................................................................................... 128
Changing Front Differential Case Oil............................................................................ 129
Changing Front Axle Gear Case Oil .............................................................................129
Adjusting Front Axle Pivot.............................................................................................130
Adjusting King-pin Pivot................................................................................................ 130
EVERY 800 HOURS ............................................................................................ 130
Replacing Fuel Filter..................................................................................................... 130
Adjusting Engine Valve Clearance ............................................................................... 130
EVERY 1500 HOURS .......................................................................................... 130
Cleaning Fuel Injector Nozzle Tip................................................................................. 130
Checking and Cleaning EGR Cooler ............................................................................130
Checking Accumulator.................................................................................................. 130
EVERY 3000 HOURS .......................................................................................... 130
Checking Turbocharger ................................................................................................ 130
Checking Supply Pump ................................................................................................ 130
Checking Intake Air Heater........................................................................................... 131
Checking and Cleaning EGR System........................................................................... 131
Cleaning DPF Muffler ...................................................................................................131
EVERY 1 YEAR ................................................................................................... 131
Replacing Air Cleaner Primary Element and Secondary Element................................131
Checking Air-Conditioner Pipe and Hose .....................................................................131
Checking CAB Isolation Cushion.................................................................................. 131
Checking Exhaust Manifold .......................................................................................... 131

CONTENTS
Checking DPF Differential Pressure Sensor Pipe ........................................................ 131
Checking EGR Pipe...................................................................................................... 131
EVERY 2 YEARS................................................................................................. 131
Flushing Cooling System and Changing Coolant .........................................................131
Anti-Freeze ................................................................................................................... 132
Replacing Radiator Hose (Water pipes) ....................................................................... 133
Replacing Power Steering Hose................................................................................... 133
Replacing Fuel Hose .................................................................................................... 133
Replacing Oil Cooler Line............................................................................................. 133
Replacing Intake Air Line.............................................................................................. 133
Replacing DPF Differential Pressure Sensor Hose ......................................................133
Replacing Boost Sensor Hose...................................................................................... 133
Replacing Parking Brake Cable.................................................................................... 133
Replacing Brake Hose .................................................................................................. 133
Replacing Clutch Hose ................................................................................................. 133
Replacing Differential Lock Hose..................................................................................133
Replacing Master Cylinder Kit ......................................................................................134
Replacing Equalizer Kit................................................................................................. 134
Replacing Brake Seal 1 and 2 ......................................................................................134
Replacing Lift Cylinder Hose ........................................................................................ 134
Replacing Air Conditioner Hose....................................................................................134
Replacing Suspension Hose......................................................................................... 134
SERVICE AS REQUIRED.................................................................................... 134
Bleeding Fuel System................................................................................................... 134
Bleeding Brake System ................................................................................................135
Draining Clutch Housing Water ....................................................................................135
Replacing Fuse............................................................................................................. 135
Replacing Slow-Blow Fuses ......................................................................................... 137
Replacing Light Bulb..................................................................................................... 138
Replacing Head Lamp .................................................................................................. 138
Lubricating Points ......................................................................................................... 138
Adding Washer Liquid................................................................................................... 139
Checking the Amount of Refrigerant (gas) ...................................................................139
STORAGE ............................................................................................................... 140
TRACTOR STORAGE ......................................................................................... 140
REMOVING THE TRACTOR FROM STORAGE................................................. 140
TROUBLESHOOTING............................................................................................. 141
ENGINE TROUBLESHOOTING .......................................................................... 141
POWER SHIFT/RANGE SHIFT TROUBLE SHOOTING..................................... 143
OPTIONS................................................................................................................. 145
APPENDICES.......................................................................................................... 146
SIDE DIGITAL DISPLAY...................................................................................... 146
Changing the Information Displayed.............................................................................146
Information Displayed and its Handling ........................................................................147
Displaying and Using the Work History ........................................................................ 150
Measuring the Distance ................................................................................................ 152
Changing the Units and Dates...................................................................................... 152
INDEX .................................................................................................................. 154