Komatsu WD600-6 Wheel Dozer Complete Shop Manual SEN04979-11 – Full Service & Repair Guide

Description

Komatsu WD600-6 Wheel Dozer Shop Manual SEN04979-11

This is the complete Komatsu WD600-6 Wheel Dozer Shop Manual, document number SEN04979-11, covering machines with serial number 55001 and up. It is the comprehensive technical reference used by service technicians for maintaining, diagnosing, repairing, and overhauling the WD600-6 wheel dozer across all major systems. The manual is written in English and is delivered as an instant-access PDF.

File Details

• Manual Type: Shop Manual (Service & Repair)
• Brand: Komatsu
• Model: WD600-6 Wheel Dozer
• Serial Number: 55001 and up
• Engine: SAA6D170E-5
• Language: English
• Format: PDF
• Page Count: 1,936
• Document Number: SEN04979-11

Chapters Covered

• 00 Index and Foreword — Index, Safety Notice, How to Read the Shop Manual, Explanation of Terms for Maintenance Standard, Handling of Electric Equipment and Hydraulic Component, Handling of Connectors Newly Used for Engines, How to Read Electric Wire Code, Precautions When Carrying Out Operation, Method of Disassembling and Connecting Push-Pull Type Coupler, Standard Tightening Torque Table, Conversion Table
• 01 Specification — Specification Dimension Drawing, Specifications, Weight Table, Table of Fuel, Coolant and Lubricants
• 10 Structure, Function and Maintenance Standard — Engine and Cooling System, Power Train Part 1, Power Train Part 2, Steering System, Brake System, Undercarriage and Frame, Hydraulic System Part 1, Hydraulic System Part 2, Work Equipment, Cab and Its Attachments, Electrical System Part 1, Electrical System Part 2, Electrical System Part 3
• 20 Standard Value Table — Standard Service Value Table for Engine, Standard Service Value Table for Chassis
• 30 Testing and Adjusting — Testing and Adjusting Part 1, Testing and Adjusting Part 2, Testing and Adjusting Part 3, Testing and Adjusting Part 4
• 40 Troubleshooting — Failure Code Table and Fuse Locations, General Information on Troubleshooting, Troubleshooting by Failure Code (Parts 1–10), Troubleshooting of Electrical System (E-Mode), Troubleshooting of Hydraulic and Mechanical System (H-Mode), Troubleshooting of Engine (S-Mode)
• 50 Disassembly and Assembly — General Information, Engine and Cooling System Parts 1–2, Power Train Parts 1–4, Brake System, Undercarriage and Frame, Hydraulic System, Work Equipment, Cab and Its Attachments, Electrical System
• 90 Diagrams and Drawings — Power Train Hydraulic Circuit Diagram, Brake Hydraulic Circuit Diagram, Work Equipment Hydraulic Circuit Diagram, Air Conditioner Electrical Circuit Diagram, Electrical Circuit Diagrams (1/10 – 10/10), Connector List and Stereogram

The WD600-6 Shop Manual gives a technician the full factory-standard approach to every service task on this wheel dozer. It opens with the specification section that establishes the machine’s dimensions, weight distribution, engine output ratings, travel speeds, drawbar pull figures, tire and wheel data, and all fluid capacities. From there, the Structure, Function and Maintenance Standard chapters break down each assembly — engine mounts, cooling system, torque converter, transmission, transfer, axles, differential, final drive, brakes, steering, hydraulic pumps, control valves, work equipment, cab, and the complete electrical architecture — explaining not just what each component looks like but how it operates and what the wear limits are.

What separates this from a simple parts diagram collection is the diagnostic and testing depth. The Testing and Adjusting sections walk through measuring engine speed, exhaust gas colour and temperature, valve clearance, compression pressure, blow-by pressure, engine oil pressure, EGR and bypass valve drive oil pressure, fuel system pressures and return rates, power train oil pressures, steering relief and pilot pressures, accumulator charge pressures, wheel brake and parking brake oil pressures, work equipment oil pressures, and hydraulic fan performance. Every procedure lists the tools needed, the conditions, and the acceptable values.

The Troubleshooting chapters are extensive. They cover the complete failure code list for the transmission controller, engine controller, work equipment controller, VHMS controller, and machine monitor, with step-by-step diagnostic procedures for each code. Separate E-mode, H-mode, and S-mode troubleshooting trees address electrical faults, hydraulic and mechanical symptoms, and engine performance issues respectively. Whether the machine won’t start, shifts harshly, overheats, loses power, or throws a specific fault code, this manual provides the decision path.

Disassembly and Assembly spans the entire machine, from removing the engine and radiator through torque converter and transmission overhaul, axle and differential rebuild, brake valve and slack adjuster service, hydraulic pump removal, control valve disassembly, hydraulic cylinder resealing, work equipment linkage, cab and floor frame, and electrical component replacement. Each procedure includes the special tools required, torque values, coating materials, and step-by-step sequences. The final diagrams section ties everything together with hydraulic circuit schematics for power train, brake, and work equipment circuits, plus a ten-sheet electrical circuit diagram set and a connector list with stereogram showing every connector location.

What This Manual Enables You to Do

With this Komatsu WD600-6 Wheel Dozer Shop Manual, you can perform the same service procedures a Komatsu workshop technician would follow. That includes routine maintenance and adjustments, engine and power train diagnostics, hydraulic system testing, electrical fault finding using the failure code tables, complete component overhauls with correct torque and clearance specifications, and reassembly with the proper sealants, greases, and tightening sequences. The standard value tables give you the new-machine specifications and the service limit values so you can judge whether a part can be reused or must be replaced.

Having the correct procedure and specifications matters enormously on a machine of this size. Incorrect torque, wrong clearance, or a missed step in a transmission or hydraulic rebuild can lead to repeat failure, expensive damage, or unsafe operation. The manual removes the guesswork by giving the actual factory numbers and the sequence of operations for every critical task. For anyone maintaining a WD600-6 — whether a fleet workshop, a dealer technician, or an owner-operator doing their own repairs — this document provides the technical depth needed to keep the machine working reliably.

Delivery

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The Komatsu WD600-6 Shop Manual SEN04979-11 is delivered as an instant PDF download. There is no shipping, no waiting for a physical book, and no restriction on where you use it. The file works on any device that can read PDFs — desktop computer, laptop, tablet, or smartphone. You can print the pages you need for the workshop, keep the complete manual on a tablet for reference in the field, and search the text for the specific specification or procedure you need. Once you purchase, you have the full 1,936-page reference available immediately.