Komatsu WD600-6R Bulldozer Operation and Maintenance Manual (PEN00807-10)

This WD600-6R is a big wheel dozer that lives in tough places—quarries, mines, stockpiles, and heavy construction clean‑up. This operation and maintenance manual is what I’d keep on hand to set a solid service rhythm, so the machine pushes hard all week without surprise breakdowns. When, for example, the operator reports sluggish steering and higher than normal effort on the pile, I’d use this book to verify the correct inspection sequence, check points, and basic adjustments before calling in heavier diagnostics.

Applications & Use Cases

• Plan preventive maintenance so you can group greasing, filter changes, and inspections around your production schedule instead of stopping mid-shift.
• Trace early wear on pins, tires, and driveline by following the recommended walk‑around and periodic checks.
• Verify daily and weekly operator checks to make sure nothing critical gets skipped on busy sites.
• Stabilize performance under heavy load by aligning basic adjustments with the manual’s guidance, reducing strain on powertrain and hydraulics.
• Minimize downtime by using the manual to quickly isolate simple issues that don’t yet need a laptop or dealer visit.

FAQ

Q: Can I use this manual on a tablet in the cab?

A: Yes, it’s practical to keep a digital copy for quick searching, then zoom in on diagrams while you’re at the machine.

Q: Is it worth printing parts of this manual?

A: I’d print the routine checklists and service schedules, laminate them, and keep them in the service truck for quick reference.

Safety Note

Always follow the manual’s lockout, park, and support instructions before putting hands or tools near any moving or pressurized components.

Komatsu WD600-6R Bulldozer Index:

CONTENTS
FOREWORD 1- 1
READ THIS MANUAL 1- 2
SAFETY INFORMATION 1- 4
INTRODUCTION 1- 5
USE OF MACHINE 1- 5
FRONT/REAR, LEFT/RIGHT DIRECTIONS OF MACHINE 1- 5
VISIBILITY FROM OPERATOR’S SEAT 1- 6
NECESSARY INFORMATION 1- 7
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE 1- 7
ENGINE SERIAL NO. PLATE 1- 7
POSITION OF SERVICE METER 1- 8
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR 1- 8
SAFETY 2- 1
SAFETY 2- 2
SAFETY LABELS 2- 5
LOCATION OF SAFETY LABELS 2- 6
SAFETY LABELS 2- 8
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE 2- 16
PRECAUTIONS BEFORE STARTING OPERATION 2- 16
PREPARATIONS FOR SAFE OPERATION 2- 16
FIRE PREVENTION 2- 18
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE 2- 19
DO NOT GET CAUGHT IN ARTICULATING PORTION 2- 22
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2- 22
UNAUTHORIZED MODIFICATION 2- 23
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2- 23
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING 2- 23
PRECAUTIONS FOR OPERATION 2- 24
PRECAUTIONS FOR JOBSITE 2- 24
STARTING ENGINE 2- 26
OPERATION 2- 29
TRANSPORTATION 2- 35
TOWING 2- 36
PRECAUTIONS FOR MAINTENANCE 2- 37
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE 2- 37
PRECAUTIONS FOR INSPECTION AND MAINTENANCE 2- 44
TIRES 2- 49
OPERATION 3- 1
GENERAL VIEW 3- 2
GENERAL VIEW OF MACHINE 3- 2
GENERAL VIEW OF CONTROLS AND GAUGES 3- 3
EXPLANATION OF COMPONENTS 3- 8
MACHINE MONITOR 3- 8
SWITCHES 3- 45
CONTROL LEVERS, PEDALS 3- 66
CAP WITH LOCK 3- 75
FRAME LOCK BAR 3- 77
TOWING PIN 3- 78
BACKUP ALARM 3- 78

OPENING, CLOSING CAB DOORS, WINDOWS 3- 79
HANDLING CAB WIPER 3- 82
DUST INDICATOR 3- 83
FUSE 3- 84
CIRCUIT BREAKER 3- 86
SLOW BLOW FUSE 3- 87
LUNCH BOX TRAY 3- 87
TOOL BOX 3- 87
GREASE PUMP 3- 87
LOCATION OF FIRE EXTINGUISHER 3- 88
POWER OUTLET 3- 88
HANDLING BATTERY DISCONNECT SWITCH 3- 89
HANDLING STARTING AID CONNECTOR 3- 91
CAR RADIO 3- 92
AM/FM RADIO-CASSETTE STEREO 3- 98
AIR CONDITIONER 3-107
OPERATION 3-122
CHECK BEFORE STARTING ENGINE, ADJUST 3-122
STARTING ENGINE 3-143
OPERATIONS AND CHECKS AFTER STARTING ENGINE 3-145
STOPPING ENGINE 3-148
CHECK AFTER STOPPING ENGINE 3-148
MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE 3-149
TURNING 3-157
OPERATION OF WORK EQUIPMENT 3-159
WORK POSSIBLE USING WHEEL DOZER 3-162
PROHIBITION OPERATIONS 3-176
PRECAUTIONS FOR OPERATION 3-178
PARKING MACHINE 3-181
CHECKS AFTER COMPLETION OF OPERATION 3-183
LOCKING 3-183
HANDLING THE TIRES 3-184
TRANSPORTATION 3-186
TRANSPORTATION PROCEDURE 3-186
LOADING, UNLOADING WORK 3-186
METHOD OF SECURING MACHINE 3-186
METHOD OF LIFTING MACHINE 3-188
PRECAUTIONS WHEN DISASSEMBLY OR REASSEMBLING WORK EQUIPMENT 3-191
COLD WEATHER OPERATION 3-192
PRECAUTIONS FOR LOW TEMPERATURE 3-192
PRECAUTIONS AFTER COMPLETION OF WORK 3-193
AFTER COLD WEATHER 3-193
WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER 3-194
LONG-TERM STORAGE 3-195
BEFORE STORAGE 3-195
DURING STORAGE 3-195
AFTER STORAGE 3-195
TROUBLESHOOTING 3-196
WHEN MACHINE RUNS OUT OF FUEL 3-196
METHOD OF TOWING MACHINE 3-196

IF BATTERY IS DISCHARGED 3-201
METHOD FOR LOWERING WORK EQUIPMENT WHEN ENGINE HAS STOPPED 3-205
OTHER TROUBLE 3-206
MAINTENANCE 4- 1
GUIDES TO MAINTENANCE 4- 2
OUTLINES OF SERVICE 4- 4
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC 4- 4
OUTLINE OF ELECTRIC SYSTEM 4- 8
WEAR PARTS 4- 9
WEAR PARTS LIST 4- 9
RECOMMENDED FUEL, COOLANT, AND LUBRICANT 4- 11
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE 4- 12
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN
KOMATSU GENUINE OIL 4- 15
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS 4- 16
TORQUE LIST 4- 16
DEFINED LIFE PARTS 4- 18
DEFINED LIFE PARTS LIST 4- 19
MAINTENANCE SCHEDULE CHART 4- 21
MAINTENANCE SCHEDULE CHART 4- 21
MAINTENANCE INTERVAL WHEN DIESEL FUEL MIXED WITH BIO-FUEL IS USED 4- 23
SERVICE PROCEDURE 4- 24
EVERY 10 HOURS SERVICE (ONLY FOR FIRST 50 HOURS) 4- 24
INITIAL 250 HOURS SERVICE 4- 24
WHEN REQUIRED 4- 25
CHECK BEFORE STARTING 4- 54
EVERY 50 HOURS SERVICE 4- 55
EVERY 100 HOURS SERVICE 4- 56
EVERY 250 HOURS SERVICE 4- 62
EVERY 500 HOURS SERVICE 4- 65
EVERY 1000 HOURS SERVICE 4- 73
EVERY 2000 HOURS SERVICE 4- 78
EVERY 4000 HOURS SERVICE 4- 88
EVERY 8000 HOURS SERVICE 4- 93
SPECIFICATIONS 5- 1
SPECIFICATIONS 5- 2
ATTACHMENTS, OPTIONS 6- 1
HANDLING STEERING WHEEL SPECIFICATION MACHINE 6- 2
EXPLANATION OF COMPONENTS 6- 2
FUNCTIONS OF STEERING WHEEL SPECIFICATION MACHINE 6- 12
STARTING IN COLD AREAS 6- 22
ELECTRIC HEATER 6- 22
HANDLING AUTO-GREASING SYSTEM 6- 27
METHOD OF OPERATING AUTO-GREASING SYSTEM 6- 27
PRECAUTIONS WHEN HANDLING AUTO-GREASING SYSTEM 6- 34
TROUBLESHOOTING 6- 34
HANDLING REAR FENDER 6- 35
HANDLING 6- 35
HANDLING FUEL QUICK CHARGE 6- 36
PROCEDURE FOR OPERATING FUEL CHARGE 6-

INSPECTION AND MAINTENANCE 6- 37
HANDLING MACHINES EQUIPPED WITH KOMTRAX Plus 6- 38
KOMTRAX Plus INSTALLED, COMMUNICATIONS TERMINAL NOT INSTALLED 6- 38
KOMTRAX Plus AND COMMUNICATIONS TERMINAL INSTALLED 6- 38
INDEX 7- 1

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