Kubota BX25D-AU User manual

1HNAAAEAP0140
OPERATOR'S MANUAL
BX25D-AU
LA240
LA240AU-SG
BT601
MODELS
Code No. K2692-7125-3
KUBOTACorporation
U.S.A. :KUBOTATRACTORCORPORATION
3401 DelAmoBlvd.,Torrance,CA 90503 ,U.S.A.
Telephone:(
310 ) 370 - 3370
Canada :KUBOTACANADALTD.
5900  14 thAvenue,Markham,Ontario,L 3 S 4 K 4 ,Canada
Telephone:(
905 ) 294 - 7477
France :KUBOTAEUROPES.A.S
19 - 25 ,RueJulesVercruysse,Z.I.BP 88 , 95101 Ar㷅enteuilCedex,France
Telephone:(
33 ) 1 - 3426 - 3434
Italy :KUBOTAEUROPES.A.SItalyBranch
ViaGrandi,
29  20068 PeschieraBorrome(MI)Italy
Telephone:(
39 ) 02 - 51650377
Germany :KUBOTA(DEUTSCHLAND)GmbH
SenefelderStr.
3 - 5  63110 Rod㷅au/Nieder-Roden,Germany
Telephone:(
49 ) 6106 - 873 - 0
U.K. :KUBOTA(U.K.)LTD.
DormerRoad,Thame,Oxfordshire,OX
9  3 UN,U.K.
Telephone:(
44 ) 1844 - 214500
Spain :KUBOTAESPAÑAS.A.
AvenidaRecombaNo.
5 ,Poli㷅noIndustriallaLa㷅una,Le㷅anes, 28914 (Madrid)Spain
Telephone:(
34 ) 91 - 508 - 6442
Australia :KUBOTATRACTORAUSTRALIAPTYLTD.
25 - 29 PermasWay,Tru㷅anina,VIC 3029 ,Australia
Telephone:(
61 )- 3 - 9394 - 4400
Malaysia :SIMEKUBOTASDN.BHD.
No.
3 JalanSepadu 25 / 123 TamanPerindustrianAxis,
Seksyen
25 , 40400 ShahAlam,Selan㷅orDarulEhsanMalaysia
Telephone:(
60 ) 3 - 736 - 1388
Philippines :KUBOTAPHILIPPINES,INC.
155 PanayAvenue,SouthTrian㷅leHomes, 1103 QuezonCity,Philippines
Telephone:(
63 ) 2 - 9201071
Taiwan :SHINTAIWANAGRICULTURALMACHINERYCO.,LTD.
16 ,Fen㷅pin㷅 2 ndRd,TaliaoShian㷅Kaohsiun㷅 83107 ,TaiwanR.O.C.
Telephone:(
886 ) 7 - 702 - 2333
Indonesia :P.T.KUBOTAINDONESIA
JalanSetyabudi
279 ,Semaran㷅,Indonesia
Telephone:(
62 )- 24 - 7472849
Thailand :SIAMKUBOTACORPORATIONCO.,LTD.
101 / 19 - 24 Moo 20 ,NavanakornIndustrialEstate,TambonKhlon㷅nuen㷅,AmphurKhlon㷅luan㷅,
Pathumthani
12120 ,THAILAND
Telephone:(
66 ) 2 - 909 - 0300
Korea :KUBOTAKOREACO.,LTD.
106 - 24 Mon㷅san-Ri,Mankyun㷅-Up,Kimje-City,Chonrapuk-Do,KOREA
Telephone:(
82 )- 63 - 544 - 5822
India :KUBOTAAGRICULTURALMACHINERYINDIAPVT.LTD.
Re㷅us,Level
2 Altius,OlympiaTechPark,No. 1 SIDCOIndustrialEstate,Guindy,Chennai 600032 ,TN,India
Telephone:(
91 )- 44 - 4299 - 4237
Vietnam :KUBOTAVIETNAMCO.,LTD.
LotB-
3 A 2 -CN,MyPhuoc 3 IndustrialPark,BenCatDistrict,BinhDuon㷅Province,Vietnam
Telephone:(
84 )- 650 - 3577 - 507
WesternDivision : 1175 S.GuildAvc.,Lodi,CA 95240
Telephone :( 209 ) 334 - 9910
CentralDivision : 14855 FAABlvd.,FortWorth,TX 76155
Telephone :( 817 ) 571 - 0900
NorthernDivision : 6300 atOneKubotaWay,Groveport,OH 43125
Telephone :( 614 ) 835 - 1100
SoutheastDivision : 1025 NorthbrookParkway,Suwanee,GA 30024
Telephone :( 770 ) 995 - 8855
© KUBOTA Corporation 2011
READ AND SAVE THIS MANUAL
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PRINTED IN U.S.A.

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
Hourmeter/Elapsed Operating Hours
Engine Coolant-Temperature
Diesel Preheat/Glow Plugs(Low Temperature
Start Aid)
Brake
Parking Brake
Battery Charging Condition
Engine Oil-Pressure
Turn Signal
Engine-Stop
Engine-Run
Starter Control
Power Take-Off Clutch Control-Off Position
Power Take-Off Clutch Control-On Position
Differential Lock
Hydraulic Control-Raised Position
Hydraulic Control-Lowered Position
3-Point Lowering Speed Control
Remote Cylinder-Retract
Remote Cylinder-Extend
Hazard Warning Lights
Headlight
Four-Wheel Drive-On
Four-Wheel Drive-Off
Fast
Slow
Read Operator's Manual
Engine Speed Control
Speed set-On
Speed set-Off
Mid-PTO
Mid-Rear-PTO
Rear-PTO

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.
DANGER : Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING : Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION : Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury.
IMPORTANT : Indicates that equipment or property damage could result if
instructions are not followed.
NOTE : Gives helpful information.
FOREWORD
SAFETY FIRST

CONTENTS
SAFE OPERATION ............................................................................................ -1
TRACTOR................................................................................................................ 1
LOADER .................................................................................................................. 7
BACKHOE................................................................................................................ 9
SERVICING ................................................................................................................. 1
SPECIFICATIONS OF THE TRACTOR ...................................................................... 2
SPECIFICATION TABLE ......................................................................................... 2
TRAVELING SPEEDS ............................................................................................. 3
SPECIFICATIONS OF THE LOADER......................................................................... 4
LOADER SPECIFICATIONS ................................................................................... 4
BUCKET SPECIFICATIONS.................................................................................... 4
DIMENSIONAL SPECIFICATIONS ......................................................................... 5
OPERATIONAL SPECIFICATIONS......................................................................... 6
LOADER TERMINOLOGY....................................................................................... 7
SPECIFICATIONS OF THE BACKHOE ...................................................................... 8
BACKHOE SPECIFICATIONS................................................................................. 8
Dimensions....................................................................................................................... 8
Specifications.................................................................................................................... 9
Lift Capacity (Per SAE J31) ............................................................................................ 11
BACKHOE TERMINOLOGY .................................................................................. 12
IMPLEMENT LIMITATIONS ...................................................................................... 13
INSTRUMENT PANEL AND CONTROLS................................................................. 15
PRE-OPERATION CHECK OF THE TRACTOR....................................................... 17
DAILY CHECK ....................................................................................................... 17
PRE-OPERATION CHECK OF THE LOADER ......................................................... 18
LUBRICATION ....................................................................................................... 18
TRANSMISSION FLUID ........................................................................................ 18
REAR BALLAST .................................................................................................... 18
RATED OPERATING LOAD (SPILL GUARD MODEL ONLY) ............................. 20
TIRE INFLATION ................................................................................................... 21
TEST OPERATION................................................................................................ 21
REMOVING AIR FROM HYDRAULIC SYSTEM ................................................... 21
PRE-OPERATION CHECK OF THE BACKHOE....................................................... 22
PRE-OPERATION CHECKS ................................................................................. 22
OPERATOR'S SEAT ............................................................................................. 22
BALLAST ............................................................................................................... 22
TIRE INFLATION ................................................................................................... 22
OPERATING THE ENGINE....................................................................................... 23
STARTING THE ENGINE ...................................................................................... 23
Cold Weather Starting ....................................................................................................25

CONTENTS
Block Heater (Option) ..................................................................................................... 25
STOPPING THE ENGINE...................................................................................... 25
WARMING UP ....................................................................................................... 26
Warm-up and Transmission Oil in the Low Temperature Range.................................... 26
JUMP STARTING .................................................................................................. 26
OPERATING THE TRACTOR ................................................................................... 27
OPERATING NEW TRACTOR .............................................................................. 27
Do not Operate the Tractor at Full Speed for the First 50 Hours.................................... 27
Changing Lubricating Oil for New Tractors.....................................................................27
OPERATING FOLDABLE ROPS ........................................................................... 27
To Fold the ROPS ..........................................................................................................27
To Raise the ROPS to Upright Position..........................................................................28
Adjustment of Foldable ROPS........................................................................................29
STARTING ............................................................................................................. 30
Operator's Seat............................................................................................................... 30
Seat Belt ......................................................................................................................... 30
Head Light Switch........................................................................................................... 30
Hazard Light Switch........................................................................................................ 30
Turn Signal Light Switch .................................................................................................31
Brake Pedal ....................................................................................................................31
Range Gear Shift Lever (Hi-Lo)...................................................................................... 32
Front Wheel Drive Lever................................................................................................. 32
Hand Throttle Lever ........................................................................................................ 33
Parking Brake Pedal.......................................................................................................33
Speed Control Pedal.......................................................................................................33
Speed Set Device ........................................................................................................... 34
STOPPING............................................................................................................. 35
Stopping.......................................................................................................................... 35
CHECK DURING DRIVING ................................................................................... 35
Immediately Stop the Engine if:...................................................................................... 35
Easy Checker(TM).......................................................................................................... 35
Fuel Gauge..................................................................................................................... 35
Coolant Temperature Gauge .......................................................................................... 36
Hourmeter/Tachometer................................................................................................... 36
PARKING ............................................................................................................... 37
Parking............................................................................................................................ 37
ACCESSORY......................................................................................................... 37
12V Electric Outlet..........................................................................................................37
Operator's Manual Holder...............................................................................................37
OPERATING TECHNIQUES ................................................................................. 38
Differential Lock..............................................................................................................38
Operating the Tractor on a Road.................................................................................... 38
Operating on a Slopes and Rough Terrain .....................................................................38
Directions for Use of Power Steering.............................................................................. 38
REVERSING THE SEAT ....................................................................................... 39
PTO ........................................................................................................................... 41
PTO OPERATION.................................................................................................. 41
PTO Select Lever ........................................................................................................... 41
PTO Clutch Lever ...........................................................................................................42
PTO Shaft Cover and Shaft Cap ....................................................................................42

CONTENTS
Stationary PTO ............................................................................................................... 42
PTO Drive Shaft..............................................................................................................43
THREE-POINT HITCH & DRAWBAR........................................................................ 44
3-POINT HITCH ..................................................................................................... 45
Attaching and detaching implements.............................................................................. 45
Lifting Rod (Right)........................................................................................................... 45
Top Link.......................................................................................................................... 45
Check Chains ................................................................................................................. 45
HITCH .................................................................................................................... 45
Removing the 3-Point Hitch............................................................................................ 46
Installing the 3-Point Hitch.............................................................................................. 46
HYDRAULIC UNIT..................................................................................................... 47
3-POINT HITCH CONTROL SYSTEM................................................................... 47
Hydraulic Control ............................................................................................................ 47
3-point Hitch Lowering Speed......................................................................................... 47
AUXILIARY HYDRAULICS .................................................................................... 48
Hydraulic Outlet .............................................................................................................. 48
INSTALLING MOWER ........................................................................................... 48
MOWER LIFT LINKAGE SYSTEM ........................................................................ 49
Cutting Height Control Dial ............................................................................................. 49
Hydraulic Control Unit Use Reference Chart.................................................................. 50
TIRES, WHEELS AND BALLAST.............................................................................. 51
TIRES..................................................................................................................... 51
Inflation Pressure............................................................................................................ 51
WHEEL TREAD ..................................................................................................... 51
Front Wheels .................................................................................................................. 51
Rear Wheels ................................................................................................................... 52
BALLAST ............................................................................................................... 52
Front Ballast.................................................................................................................... 52
Rear Ballast ....................................................................................................................52
OPERATING THE LOADER...................................................................................... 54
FILLING THE BUCKET.......................................................................................... 54
LIFTING THE LOAD .............................................................................................. 54
CARRYING THE LOAD ......................................................................................... 55
DUMPING THE BUCKET ...................................................................................... 55
LOWERING THE BUCKET.................................................................................... 55
OPERATING WITH FLOAT CONTROL................................................................. 55
LOADING FROM A BANK ..................................................................................... 56
PEELING AND SCRAPING ................................................................................... 56
LOADING LOW TRUCKS OR SPREADERS FROM A PILE................................. 57
BACKFILLING........................................................................................................ 57
HANDLING LARGE HEAVY OBJECTS................................................................. 58
VALVE LOCK......................................................................................................... 58
Boom Lock (Spill guard model only)...............................................................................59
SPILL GUARD (SPILL GUARD MODEL ONLY).................................................... 60
Adjustment of spill guard link..........................................................................................60
OPERATING THE BACKHOE................................................................................... 61
OPERATING SPEED............................................................................................. 61

CONTENTS
BACKHOE CONTROLS......................................................................................... 61
Boom & Swing Lever ...................................................................................................... 61
Dipperstick & Bucket Lever.............................................................................................62
Stabilizer Control Levers................................................................................................. 62
PLACING THE STABILIZERS ............................................................................... 62
GENERAL BACKHOE OPERATION ..................................................................... 63
Dipperstick Digging......................................................................................................... 63
Spoil Pile Location .......................................................................................................... 63
Straight Wall or Cemetery Digging ................................................................................. 63
Stabilizer pads (Standard) ..............................................................................................64
Stabilizer pads (Option) ..................................................................................................64
TRANSPORTING................................................................................................... 65
Driving to the Job-site.....................................................................................................65
Trailer Transporting ........................................................................................................ 65
MAINTENANCE OF THE TRACTOR ........................................................................ 66
SERVICE INTERVALS .......................................................................................... 66
LUBRICANTS, FUEL AND COOLANT .................................................................. 67
PERIODIC SERVICE OF THE TRACTOR ................................................................ 69
HOW TO OPEN THE HOOD ................................................................................. 69
Hood ............................................................................................................................... 69
Engine Cover .................................................................................................................. 69
DAILY CHECK ....................................................................................................... 70
Walk Around Inspection.................................................................................................. 70
Checking and Refueling.................................................................................................. 71
Checking Engine Oil Level.............................................................................................. 71
Checking Transmission Fluid Level................................................................................ 72
Checking Coolant Level.................................................................................................. 72
Cleaning Panel and Radiator Screen .............................................................................73
Checking Brake Pedal .................................................................................................... 73
Checking Gauges, Meters and Easy Checker(TM) ........................................................73
Checking Head Light, Hazard Light etc. ......................................................................... 73
Checking Seat Belt and ROPS ....................................................................................... 73
Checking and Cleaning of Electrical Wiring and Battery Cables .................................... 74
Checking Movable Parts................................................................................................. 74
EVERY 50 HOURS ................................................................................................ 74
Lubricating Grease Fittings............................................................................................. 74
Checking Engine Start System ....................................................................................... 75
Checking Wheel Bolt Torque..........................................................................................76
EVERY 100 HOURS .............................................................................................. 76
Battery ............................................................................................................................ 76
Cleaning Air Cleaner Element ........................................................................................ 78
Checking Fuel Lines and Fuel Filter ...............................................................................78
Adjusting Fan belt Tension ............................................................................................. 79
Adjusting HST Neutral Spring (for Speed Control Pedal) ...............................................79
Adjusting Brake Pedal .................................................................................................... 80
EVERY 200 HOURS .............................................................................................. 80
Replacing Engine Oil Filter .............................................................................................80
Changing Engine Oil....................................................................................................... 81
Replacing Transmission Oil Filter ................................................................................... 81
Checking Radiator Hoses and Clamps........................................................................... 82

CONTENTS
Checking Intake Air Line................................................................................................. 82
Adjusting Toe-in.............................................................................................................. 83
Checking Power Steering Line .......................................................................................83
EVERY 400 HOURS .............................................................................................. 84
Adjusting Front Axle Pivot............................................................................................... 84
Changing Transmission Fluid ......................................................................................... 84
Cleaning Transmission Strainer...................................................................................... 85
Changing Front Axle Case Oil ........................................................................................ 85
EVERY 500 HOURS .............................................................................................. 86
Replacing Fuel Filter....................................................................................................... 86
EVERY 800 HOURS .............................................................................................. 86
Adjusting Engine Valve Clearance ................................................................................. 86
EVERY 1500 HOURS ............................................................................................ 86
Checking Fuel Injection Nozzle Injection Pressure.........................................................86
EVERY 3000 HOURS ............................................................................................ 86
Checking Injection Pump................................................................................................86
EVERY 1 YEAR ..................................................................................................... 86
Replacing Air Cleaner Element.......................................................................................86
EVERY 2 YEARS................................................................................................... 86
Flushing Cooling System and Changing Coolant ...........................................................86
Anti-Freeze .....................................................................................................................87
Replacing Radiator Hose (Water pipes) ......................................................................... 87
Replacing Power Steering Hose..................................................................................... 87
Replacing Fuel Lines ...................................................................................................... 87
Replacing Engine Breather Hose ................................................................................... 87
Replacing Intake Air Line................................................................................................ 87
SERVICE AS REQUIRED...................................................................................... 87
Bleeding Fuel System.....................................................................................................87
Replacing Fuse............................................................................................................... 88
Replacing Light Bulb....................................................................................................... 88
MAINTENANCE OF THE LOADER........................................................................... 89
LUBRICATION ....................................................................................................... 89
RE-TIGHTENING OF HARDWARE....................................................................... 89
Tightening Bolts and Nuts............................................................................................... 89
DAILY CHECKS..................................................................................................... 90
EVERY 50 HOURS ................................................................................................ 90
Checking main frame bolt and nut torque.......................................................................90
MAINTENANCE OF THE BACKHOE........................................................................ 91
DAILY CHECKS..................................................................................................... 91
LUBRICATION ....................................................................................................... 92
BUCKET SERVICE................................................................................................ 92
Changing the Backhoe Bucket ....................................................................................... 92
Changing the Bucket Teeth ............................................................................................ 92
General torque specification...........................................................................................93
STORAGE OF THE TRACTOR................................................................................. 94
TRACTOR STORAGE ........................................................................................... 94
REMOVING THE TRACTOR FROM STORAGE................................................... 94
REMOVING THE LOADER ....................................................................................... 95
STORAGE OF THE LOADER................................................................................ 96

CONTENTS
REINSTALLING THE LOADER................................................................................. 97
REMOVING THE BACKHOE .................................................................................... 99
REMOVAL OF THE BACKHOE............................................................................. 99
STORAGE OF THE BACKHOE........................................................................... 101
REINSTALLING THE BACKHOE ............................................................................ 102
TROUBLESHOOTING............................................................................................. 104
ENGINE TROUBLESHOOTING .......................................................................... 104
OPTIONS................................................................................................................. 105