Kubota B3150 User manual

1AGAEEHAP0010
B3150·B3150SU
MODELS
OPERATOR'S MANUAL
English (Australia)
Code No. 6C435-6311-1
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© KUBOTA Corporation 2014
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, until today, 19 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 intended to help
individuals and nations fulfill the potential inherent in their
environment. For KUBOTA is the Basic Necessities Giant.
This potential includes water supply, food from the soil and from
the sea, industrial development, architecture and construction,
transportation.
Thousands of people depend on KUBOTA's know-how, technology,
experience and customer service. You too can depend on
KUBOTA.
B3150/B3150SU
AS . I . 1 - 1 . 0 . AK
Abbreviations Definitions
ABBREVIATION LIST
2 Wheel Drive
4 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
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
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
Diesel Fuel
Fuel-Level
Engine-Rotational Speed
Hourmeter/Elapsed Operating Hours
Engine Coolant-Temperature
Brake System
Parking Brake
Battery Charging Condition
Engine Oil-Pressure
Turn Signal
Engine-Stop
Engine-Run
Diesel Preheat/Glow Plugs(Low Temperature
Start Aid)
Starter Control
Power Take-Off Control-Off Position
(Disengaged)
Power Take-Off Control-On Position (Engaged)
Differential Lock
Cruse Control
Position Control-Raised Position
Position Control-Lowered Position
Engine Warning
3-Point Lowering Speed Control
Remote Cylinder-Retract
Remote Cylinder-Extend
Remote Cylinder-Float
Steering Wheel-Tilt Control
Audible Warning Device
Lock
Unlock
Hazard Warning Lights
Headlight
Working Light
4-Wheel Drive-On
4-Wheel Drive-Off
Fast
Slow
Read Operator's Manual
Tractor-Forward Movement-Overhead View of
Machine
Tractor-Rearward Movement-Overhead View
of Machine
Engine Speed Control
Front Wiper / Washer Switch
Rear Wiper / Washer Switch
Air Circulation Fan
Air Conditioner
Introduction of Indoor Air
Introduction of Outer Air
Rear Window Defroster
Master System Warning

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, could 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
STARTING THE ENGINE ...................................................................................... 14
Block Heater (Option) ..................................................................................................... 18
STOPPING THE ENGINE...................................................................................... 19
WARMING UP ....................................................................................................... 19
Warm-up Transmission Oil at Low Ambient Temperatures ............................................19
JUMP STARTING .................................................................................................. 20
OPERATING THE TRACTOR ................................................................................... 21
OPERATING NEW TRACTOR .............................................................................. 21
Do not Operate the Tractor at Full Speed for the First 50 Hours.................................... 21
Changing Lubricating Oil for New Tractors..................................................................... 21
BOARDING AND LEAVING THE TRACTOR ........................................................ 21
OPERATING FOLDABLE ROPS ........................................................................... 21
To Fold the ROPS ..........................................................................................................21
To Raise the ROPS to Upright Position.......................................................................... 22
Adjustment of Foldable ROPS........................................................................................ 23
STARTING ............................................................................................................. 23
Operator's Seat............................................................................................................... 23
Seat Belt ......................................................................................................................... 25
Tilt Steering Adjustment..................................................................................................25
Head Light / Turn Signal / Hazard Light Switch..............................................................26
Horn Button.....................................................................................................................27
Tractor Lights..................................................................................................................28
Brake Pedals (Right and Left).........................................................................................28
Range Gear Shift Lever (L-M-H)..................................................................................... 30
Front Wheel Drive Lever.................................................................................................30
Hand Throttle Lever ........................................................................................................ 31
Parking Brake Lever ....................................................................................................... 31
Speed Control Pedal.......................................................................................................32
Speed Set Device ........................................................................................................... 32
Cruise Control Lever....................................................................................................... 33
STOPPING............................................................................................................. 34
Stopping.......................................................................................................................... 34
CHECK DURING DRIVING ................................................................................... 34

CONTENTS
Immediately Stop the Engine if:...................................................................................... 34
Easy Checker (TM)......................................................................................................... 34
LCD MONITOR ...................................................................................................... 35
Fuel Gauge.....................................................................................................................35
Coolant Temperature Gauge .......................................................................................... 35
Hourmeter / Tachometer.................................................................................................36
Changing Display Mode..................................................................................................36
PARKING ............................................................................................................... 37
Parking............................................................................................................................ 37
OPERATING TECHNIQUES ................................................................................. 37
Differential Lock..............................................................................................................37
Operating the Tractor on a Road.................................................................................... 38
Operating on Slopes or Rough Terrain...........................................................................38
Transport the Tractor Safely...........................................................................................38
Directions for Use of Power Steering.............................................................................. 38
Electrical Outlet...............................................................................................................39
PTO ........................................................................................................................... 40
PTO OPERATION.................................................................................................. 40
PTO Select Lever ........................................................................................................... 40
PTO Clutch Lever ...........................................................................................................41
PTO Clutch Lever ...........................................................................................................41
PTO shaft Cover and Shaft Cap.....................................................................................42
LCD Monitor Message .................................................................................................... 42
Stationary PTO ............................................................................................................... 43
3-POINT HITCH & DRAWBAR.................................................................................. 44
3-POINT HITCH ..................................................................................................... 46
Selecting the holes of lifting rods and lower links ........................................................... 46
Selecting the Top Link Mounting Holes .......................................................................... 46
Drawbar .......................................................................................................................... 46
Lifting Rod (Right, Ratchet type).....................................................................................47
Lifting Rod (Right)........................................................................................................... 47
Top Link.......................................................................................................................... 47
Telescopic Stabilizers ..................................................................................................... 47
Check Chains ................................................................................................................. 48
Telescopic Lower Links ..................................................................................................48
DRAWBAR............................................................................................................. 49
Adjusting Drawbar Length .............................................................................................. 49
HYDRAULIC UNIT..................................................................................................... 50
3-POINT HITCH CONTROL SYSTEM................................................................... 50
Position Control .............................................................................................................. 50
Hydraulic Control ............................................................................................................ 50
3-point Hitch Lowering Speed.........................................................................................51
AUXILIARY HYDRAULICS .................................................................................... 51
Hydraulic Block Type Outlet ...........................................................................................51
DUAL REMOTE HYDRAULIC CONTROL SYSTEM ............................................. 52
Control Lever and Hydraulic Hose Connections.............................................................52
Loader / Remote Control Valve Lever ............................................................................ 53
Valve Lock ......................................................................................................................53
Hydraulic Control Unit Use Reference Chart..................................................................54

CONTENTS
TIRES, WHEELS AND BALLAST.............................................................................. 55
TIRES..................................................................................................................... 55
Inflation Pressure............................................................................................................ 55
Dual Tires ....................................................................................................................... 55
WHEEL ADJUSTMENT ......................................................................................... 55
Front Wheels .................................................................................................................. 55
Rear Wheels ................................................................................................................... 56
Treads............................................................................................................................. 57
BALLAST ............................................................................................................... 58
Front Ballast.................................................................................................................... 58
Rear Ballast ....................................................................................................................58
CAB OPERATION ..................................................................................................... 59
DOOR AND WINDOW........................................................................................... 59
Locking and Unlocking the Door..................................................................................... 59
Opening the Door ........................................................................................................... 59
Rear Window .................................................................................................................. 59
Rear Window Half-Lock.................................................................................................. 60
Emergency Exit............................................................................................................... 60
DOME LIGHT......................................................................................................... 60
Dome Light .....................................................................................................................60
WORK LIGHT ........................................................................................................ 61
Work Light Switch........................................................................................................... 61
Front Work Light .............................................................................................................61
Rear Work Light..............................................................................................................61
WIPER ................................................................................................................... 62
Front Wiper / Washer Switch.......................................................................................... 62
Rear Wiper Switch.......................................................................................................... 62
Using the Wipers in Cold Season...................................................................................62
AIR CONDITIONER ............................................................................................... 63
Airflow .............................................................................................................................63
Air Control Vent ..............................................................................................................63
Control Panel..................................................................................................................64
Operation........................................................................................................................ 65
REAR DEFOGGER................................................................................................ 67
Hanger............................................................................................................................ 67
Electrical Outlet...............................................................................................................67
MAINTENANCE......................................................................................................... 68
SERVICE INTERVALS .......................................................................................... 68
LUBRICANTS,FUEL AND COOLANT ................................................................... 71
PERIODIC SERVICE................................................................................................. 73
HOW TO OPEN THE HOOD ................................................................................. 73
Hood ............................................................................................................................... 73
Engine Side Cover.......................................................................................................... 74
DAILY CHECK ....................................................................................................... 74
Walk Around Inspection.................................................................................................. 74
Checking and Refueling.................................................................................................. 74
Checking Engine Oil Level.............................................................................................. 75
Checking Transmission Fluid Level................................................................................75
Checking Coolant Level.................................................................................................. 76

CONTENTS
Cleaning Evacuator Valve ..............................................................................................76
Cleaning Air Conditioner Condenser Screen.................................................................. 76
Cleaning Grill and Radiator Screen ................................................................................77
Checking Brake Pedal .................................................................................................... 77
Checking Gauges, Meter and Easy Checker(TM) .......................................................... 77
Checking Head Light, Hazard Light etc. ......................................................................... 77
Checking Seat Belt and ROPS....................................................................................... 77
Checking and Cleaning of Electrical Wiring and Battery Cables ....................................77
Checking Movable Parts................................................................................................. 77
EVERY 50 HOURS ................................................................................................ 78
Lubricating Grease Fittings............................................................................................. 78
Checking Engine Start System ....................................................................................... 79
Checking Wheel Bolt Torque.......................................................................................... 79
EVERY 100 HOURS .............................................................................................. 80
Checking Battery Condition ............................................................................................80
Cleaning Air Cleaner Primary Element ........................................................................... 81
Cleaning Fuel Filter.........................................................................................................82
Adjusting Fan Belt Tension............................................................................................. 83
Adjusting Brake Pedal .................................................................................................... 83
Checking Fuel Line......................................................................................................... 85
EVERY 200 HOURS .............................................................................................. 85
Replacing Engine Oil Filter .............................................................................................85
Changing Engine oil........................................................................................................86
Replacing Transmission Oil Filter [HST]......................................................................... 86
Checking Radiator Hose and Clamp ..............................................................................87
Checking Intake Air Line................................................................................................. 88
Checking Power Steering Line ....................................................................................... 88
Adjusting Toe-in.............................................................................................................. 89
Adjusting Air-Conditioner Belt Tension...........................................................................89
Cleaning the Inner Air Filter............................................................................................ 90
Cleaning the Fresh Air Filter...........................................................................................90
Checking the Air Conditioner Condenser ....................................................................... 91
EVERY 400 HOURS .............................................................................................. 91
Changing Transmission Fluid ......................................................................................... 91
Replacing Hydraulic Oil Filter ......................................................................................... 92
Adjusting Front Axle Pivot [4WD]....................................................................................93
Replacing Fuel Filter Element.........................................................................................93
Changing Front Axle Case Oil ........................................................................................93
EVERY 800 HOURS .............................................................................................. 93
Adjusting Engine Valve Clearance ................................................................................. 93
EVERY 1 500 HOURS ........................................................................................... 93
Checking Fuel Injection Nozzle Injection Pressure.........................................................93
EVERY 3 000 HOURS ........................................................................................... 93
Checking Injection Pump ................................................................................................ 93
EVERY 1 YEAR ..................................................................................................... 94
Replacing Air Cleaner Primary Element and Secondary Element.................................. 94
Checking the Air Conditioner Pipe and Hose .................................................................94
Checking the CAB Isolation Cushion.............................................................................. 94
EVERY 2 YEARS................................................................................................... 94
Flushing Cooling System and Changing Coolant ........................................................... 94
Anti-Freeze .....................................................................................................................95
Replacing Radiator Hose (Water pipes) ......................................................................... 95

CONTENTS
Replacing Power Steering Hose..................................................................................... 95
Replacing Fuel Hose ...................................................................................................... 95
Replacing Intake Air Line................................................................................................ 95
Replacing the Air Conditioner Hose................................................................................95
SERVICE AS REQUIRED...................................................................................... 96
Bleeding Fuel System.....................................................................................................96
Draining Clutch Housing Water ......................................................................................96
Replacing Fuse............................................................................................................... 96
Replacing Light Bulb....................................................................................................... 98
Lubricating Points ........................................................................................................... 98
Adding Window Washer Fluid.........................................................................................99
Checking the Amount of Refrigerant (gas) .....................................................................99
STORAGE ............................................................................................................... 100
TRACTOR STORAGE ......................................................................................... 100
REMOVING THE TRACTOR FROM STORAGE................................................. 100
TROUBLESHOOTING............................................................................................. 101
ENGINE TROUBLESHOOTING .......................................................................... 101
POWER TRAIN TROUBLE SHOOTING.............................................................. 102
OPTIONS................................................................................................................. 103
APPENDICES.......................................................................................................... 104
INDEX .................................................................................................................. 104