Kubota BX25DLB User manual

1AGAJBJAP0010
OPERATOR'S MANUAL
BX25DLB
LA240A
BT602
MODELS
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.
232 QuirinoHi㷅hway,Baesa,QuezonCity 1106 ,Philippines
Telephone:(
63 ) 2 - 422 - 3500
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 :PTKUBOTAMACHINERYINDONESIA
TowerAatEi㷅htyEi㷅ht@KasablankaLantai
16
JalanRayaCasablankaKav. 88 ,Jakarta 12870 Indonesia
Telephone:(
62 )- 21 - 29568 - 720
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.
41 - 27 ,Jayumuyeok-㷅il,Baeksan-myeon,Gimje-si,Jeollabuk-do,Korea
Telephone:(
82 )- 63 - 544 - 5822
India :KUBOTAAGRICULTURALMACHINERYINDIAPVT.LTD.
No.
15 ,MedavakkamRoad,Sholin㷅anallur,Chennai- 600119 ,T.N.,India
Telephone:(
91 ) 44 - 6104 - 1500
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
Code No. K2792-7121-3
© KUBOTA Corporation 2012
READ AND SAVE THIS MANUAL
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PRINTED IN U.S.A.

Abbreviations Definitions
2WD
4WD
API
ASABE
ASTM
DIN
DT
fpm
Hi-Lo
HST
m/s
PTO
RH/LH
ROPS
rpm
r/s
SAE
SMV
Two Wheel Drive
Four Wheel Drive
American Petroleum Institute
American Society of Agricultural and Biological Engineers, USA
American Society of 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
ABBREVIATION LIST
California Proposition 65
Engine exhaust, some of its constituents,
certain vehicle components and fluids,
contain or emit chemicals known to the
State of California to cause cancer and birth
defects or other reproductive harm.
WARNING
IMPORTANT
The engine in this machine is not equipped by the manufacturer
with a standard spark arrester.
It is a violation of California Public Resource Code Section 4442 to
use or operate this engine on or near any forest-covered, brush-
covered land, or grass- covered land unless the exhaust system is
equipped with a working spark arrester meeting state laws. Other
states or federal areas may have similar laws.

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

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.
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’s quality engineering and manufacturing. It is made of the excellent
materials and under rigid quality control systems. 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 quick as
possible, every advance in our research. The immediate use of new techniques in
the manufacturing of products may cause some small parts of this manual to
become outdated. KUBOTA distributors and dealers will have the most up-to-date
information. Please do not hesitate to consult them.
FOREWORD

CONTENTS
SAFE OPERATION ............................................................................................ -1
TRACTOR................................................................................................................ 1
LOADER .................................................................................................................. 7
BACKHOE................................................................................................................ 9
SERVICING ................................................................................................................. 1
SPECIFICATIONS OF THE TRACTOR ...................................................................... 3
SPECIFICATION TABLE ......................................................................................... 3
TRAVELING SPEEDS ............................................................................................. 4
SPECIFICATIONS OF THE LOADER......................................................................... 5
LOADER SPECIFICATIONS ................................................................................... 5
BUCKET SPECIFICATIONS.................................................................................... 5
DIMENSIONAL SPECIFICATIONS ......................................................................... 6
OPERATIONAL SPECIFICATIONS......................................................................... 7
LOADER TERMINOLOGY....................................................................................... 9
SPECIFICATIONS OF THE BACKHOE .................................................................... 10
BACKHOE SPECIFICATIONS............................................................................... 10
Dimensions.....................................................................................................................10
Specifications..................................................................................................................11
Lift Capacity (Per SAE J31) ............................................................................................ 13
BACKHOE TERMINOLOGY .................................................................................. 14
IMPLEMENT LIMITATIONS ...................................................................................... 15
INSTRUMENT PANEL AND CONTROLS................................................................. 17
PRE-OPERATION CHECK OF THE TRACTOR....................................................... 19
DAILY CHECK ....................................................................................................... 19
PRE-OPERATION CHECK OF THE LOADER ......................................................... 20
LUBRICATION ....................................................................................................... 20
TRANSMISSION FLUID ........................................................................................ 20
REAR BALLAST .................................................................................................... 20
Liquid Ballast in Rear Tires.............................................................................................20
TIRE INFLATION ................................................................................................... 20
TEST OPERATION................................................................................................ 20
REMOVING AIR FROM HYDRAULIC SYSTEM ................................................... 21
PRE-OPERATION CHECK OF THE BACKHOE....................................................... 22
PRE-OPERATION CHECKS ................................................................................. 22
OPERATOR'S SEAT ............................................................................................. 22
Seat Belt ......................................................................................................................... 22
BALLAST ............................................................................................................... 22
TIRE INFLATION ................................................................................................... 22
OPERATING THE ENGINE....................................................................................... 23
STARTING THE ENGINE ...................................................................................... 23

CONTENTS
Cold Weather Starting ....................................................................................................25
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
BOARDING AND LEAVING THE TRACTOR ........................................................ 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 ......................................................................................................................... 31
Head Light Switch...........................................................................................................31
Hazard Light Switch........................................................................................................ 31
Turn Signal Light Switch .................................................................................................31
Brake Pedal ....................................................................................................................31
Range Gear Shift Lever (Hi-Lo)...................................................................................... 32
Front Wheel Drive Lever.................................................................................................33
Hand Throttle Lever ........................................................................................................ 33
Parking Brake Pedal.......................................................................................................33
Speed Control Pedal....................................................................................................... 34
Speed Set Device ........................................................................................................... 34
STOPPING............................................................................................................. 35
Stopping.......................................................................................................................... 35
CHECK DURING DRIVING ................................................................................... 35
Immediately Stop the Engine if:...................................................................................... 35
Easy Checker(TM).......................................................................................................... 36
Fuel Gauge.....................................................................................................................36
Coolant Temperature Gauge .......................................................................................... 36
Hourmeter/Tachometer................................................................................................... 37
PARKING ............................................................................................................... 37
Parking............................................................................................................................ 37
ACCESSORY......................................................................................................... 38
12V Electric Outlet.......................................................................................................... 38
Glove Box .......................................................................................................................38
OPERATING TECHNIQUES ................................................................................. 38
Differential Lock..............................................................................................................38
Operating the Tractor on a Road.................................................................................... 39
Operating on a Slopes and Rough Terrain .....................................................................39
Transport the Tractor Safely........................................................................................... 39
Directions for Use of Power Steering.............................................................................. 39
REVERSING THE SEAT ....................................................................................... 40
PTO ........................................................................................................................... 42
PTO OPERATION.................................................................................................. 42

CONTENTS
PTO Select Lever ........................................................................................................... 42
PTO Clutch Lever ...........................................................................................................43
PTO Shaft Cover and Shaft Cap ....................................................................................43
Stationary PTO ............................................................................................................... 43
PTO Drive Shaft.............................................................................................................. 44
3-POINT HITCH & DRAWBAR.................................................................................. 45
3-POINT HITCH ..................................................................................................... 46
Attaching and detaching implements.............................................................................. 46
Lifting Rod (Right)........................................................................................................... 46
Top Link.......................................................................................................................... 46
Check Chains ................................................................................................................. 46
HITCH .................................................................................................................... 46
Removing the 3-Point Hitch............................................................................................47
Installing the 3-Point Hitch.............................................................................................. 47
HYDRAULIC UNIT..................................................................................................... 48
3-POINT HITCH CONTROL SYSTEM................................................................... 48
Hydraulic Control ............................................................................................................ 48
3-point Hitch Lowering Speed.........................................................................................48
AUXILIARY HYDRAULICS .................................................................................... 49
Hydraulic Outlet .............................................................................................................. 49
INSTALLING MOWER ........................................................................................... 50
MOWER LIFT LINKAGE SYSTEM ........................................................................ 51
Cutting Height Control Dial .............................................................................................51
Hydraulic Control Unit Use Reference Chart.................................................................. 52
TIRES, WHEELS AND BALLAST.............................................................................. 53
TIRES..................................................................................................................... 53
Inflation Pressure............................................................................................................ 53
Dual Tires ....................................................................................................................... 53
WHEEL TREAD ..................................................................................................... 53
Front Wheels .................................................................................................................. 53
Rear Wheels ................................................................................................................... 54
BALLAST ............................................................................................................... 55
Front Ballast.................................................................................................................... 55
Rear Ballast ....................................................................................................................55
OPERATING THE LOADER...................................................................................... 57
FILLING THE BUCKET.......................................................................................... 57
LIFTING THE LOAD .............................................................................................. 57
CARRYING THE LOAD ......................................................................................... 58
DUMPING THE BUCKET ...................................................................................... 58
LOWERING THE BUCKET.................................................................................... 58
OPERATING WITH FLOAT CONTROL................................................................. 58
LOADING FROM A BANK ..................................................................................... 59
PEELING AND SCRAPING ................................................................................... 60
LOADING LOW TRUCKS OR SPREADERS FROM A PILE................................. 60
BACKFILLING........................................................................................................ 60
HANDLING LARGE HEAVY OBJECTS................................................................. 61
VALVE LOCK......................................................................................................... 62
ATTACHING ATTACHMENTS .............................................................................. 62

CONTENTS
DETACHING ATTACHMENTS .............................................................................. 64
DISMOUNTING THE LOADER.............................................................................. 64
ATTACHMENTS .................................................................................................... 64
Bucket.............................................................................................................................64
Pallet fork........................................................................................................................ 64
ASSEMBLE PALLET FORK .................................................................................. 64
OPERATING THE BACKHOE................................................................................... 66
OPERATING SPEED............................................................................................. 66
BACKHOE CONTROLS......................................................................................... 66
Boom & Swing Lever ......................................................................................................66
Dipperstick & Bucket Lever.............................................................................................67
Stabilizer Control Levers.................................................................................................67
PLACING THE STABILIZERS ............................................................................... 67
GENERAL BACKHOE OPERATION ..................................................................... 68
Dipperstick Digging......................................................................................................... 68
Spoil Pile Location .......................................................................................................... 68
Straight Wall or Cemetery Digging .................................................................................68
Stabilizer pads (Standard) ..............................................................................................69
Stabilizer pads (Option) ..................................................................................................69
TRANSPORTING................................................................................................... 70
Driving to the Job-site.....................................................................................................70
Trailer Transporting ........................................................................................................ 70
MAINTENANCE OF THE TRACTOR ........................................................................ 71
SERVICE INTERVALS .......................................................................................... 71
LUBRICANTS, FUEL AND COOLANT .................................................................. 72
PERIODIC SERVICE OF THE TRACTOR ................................................................ 75
HOW TO OPEN THE HOOD ................................................................................. 75
Hood ............................................................................................................................... 75
Engine Cover .................................................................................................................. 75
DAILY CHECK ....................................................................................................... 76
Walk Around Inspection.................................................................................................. 76
Checking and Refueling.................................................................................................. 77
Checking Engine Oil Level.............................................................................................. 77
Checking Transmission Fluid Level................................................................................78
Checking Coolant Level.................................................................................................. 78
Cleaning Panel and Radiator Screen .............................................................................79
Checking Brake Pedal .................................................................................................... 79
Checking Gauges, Meters and Easy Checker(TM) ........................................................79
Checking Head Light, Hazard Light etc. ......................................................................... 79
Checking Seat Belt and ROPS ....................................................................................... 79
Checking and Cleaning of Electrical Wiring and Battery Cables ....................................80
Checking Movable Parts.................................................................................................80
EVERY 50 HOURS ................................................................................................ 80
Lubricating Grease Fittings.............................................................................................80
Checking Engine Start System ....................................................................................... 81
Checking OPC System ................................................................................................... 81
Checking Wheel Bolt Torque..........................................................................................82
EVERY 100 HOURS .............................................................................................. 82
Battery ............................................................................................................................ 82

CONTENTS
Cleaning Air Cleaner Element ........................................................................................84
Checking Fuel Filter........................................................................................................84
Adjusting Fan belt Tension .............................................................................................85
Adjusting HST Neutral Spring (for Speed Control Pedal)...............................................86
Adjusting Brake Pedal .................................................................................................... 86
EVERY 200 HOURS .............................................................................................. 87
Replacing Engine Oil Filter .............................................................................................87
Changing Engine Oil.......................................................................................................87
Replacing Transmission Oil Filter ................................................................................... 88
Adjusting Toe-in.............................................................................................................. 88
EVERY 400 HOURS .............................................................................................. 89
Adjusting Front Axle Pivot...............................................................................................89
Changing Transmission Fluid ......................................................................................... 89
Cleaning Transmission Strainer...................................................................................... 90
Changing Front Axle Case Oil ........................................................................................ 90
Replacing Fuel Filter Element.........................................................................................90
EVERY 800 HOURS .............................................................................................. 90
Adjusting Engine Valve Clearance .................................................................................90
EVERY 1000 HOURS OR 1 YEAR........................................................................ 90
Replacing Air Cleaner Element.......................................................................................90
EVERY 1500 HOURS ............................................................................................ 91
Checking Fuel Injection Nozzle Injection Pressure.........................................................91
EVERY 2000 HOURS OR 2 YEARS ..................................................................... 91
Flushing Cooling System and Changing Coolant ...........................................................91
Anti-Freeze .....................................................................................................................91
EVERY 3000 HOURS ............................................................................................ 92
Checking Injection Pump................................................................................................92
EVERY 1 YEAR ..................................................................................................... 92
Checking Radiator Hoses and Clamps........................................................................... 92
Checking Power Steering Line .......................................................................................93
Checking Fuel Lines .......................................................................................................93
Checking Intake Air Line.................................................................................................93
Checking Engine Breather Hose .................................................................................... 94
EVERY 4 YEARS................................................................................................... 94
Replacing Radiator Hose (Water pipes) ......................................................................... 94
Replacing Power Steering Hose.....................................................................................94
Replacing Fuel Lines ...................................................................................................... 94
Replacing Engine Breather Hose ................................................................................... 94
Replacing Intake Air Line................................................................................................94
SERVICE AS REQUIRED...................................................................................... 94
Bleeding Fuel System.....................................................................................................94
Replacing Fuse............................................................................................................... 95
Replacing Light Bulb....................................................................................................... 95
MAINTENANCE OF THE LOADER........................................................................... 96
LUBRICATION ....................................................................................................... 96
RE-TIGHTENING OF HARDWARE....................................................................... 96
Tightening Bolts and Nuts............................................................................................... 96
DAILY CHECKS..................................................................................................... 97
EVERY 50 HOURS ................................................................................................ 97
Checking main frame bolt and nut torque.......................................................................97

CONTENTS
MAINTENANCE OF THE BACKHOE........................................................................ 98
DAILY CHECKS..................................................................................................... 98
LUBRICATION ....................................................................................................... 99
BUCKET SERVICE................................................................................................ 99
Changing the Backhoe Bucket ....................................................................................... 99
Changing the Bucket Teeth ............................................................................................ 99
General torque specification.........................................................................................100
STORAGE OF THE TRACTOR............................................................................... 101
TRACTOR STORAGE ......................................................................................... 101
REMOVING THE TRACTOR FROM STORAGE................................................. 101
REMOVING THE LOADER ..................................................................................... 102
STORAGE OF THE LOADER.............................................................................. 103
REINSTALLING THE LOADER............................................................................... 104
REMOVING THE BACKHOE .................................................................................. 106
REMOVAL OF THE BACKHOE........................................................................... 106
STORAGE OF THE BACKHOE........................................................................... 108
REINSTALLING THE BACKHOE ............................................................................ 109
TROUBLESHOOTING............................................................................................. 111
ENGINE TROUBLESHOOTING .......................................................................... 111
OPTIONS................................................................................................................. 112
APPENDICES.......................................................................................................... 113
INDEX .................................................................................................................. 113