Komatsu GD655-3C Motor Grader Parts Book KEPB074501 – Serial B15001 & Up

Description

Komatsu GD655-3C Parts Book – Your Complete Component Reference

This Komatsu GD655-3C parts book is the definitive illustrated component reference for the 6D665-3C differential lock type motor grader, covering machine serial number B15001 and up and engine serial number 2B80003 and up. Published under document number KEPB074501, this parts catalog gives you every part number, description, and quantity needed to order the correct components for your machine. Whether you are rebuilding an engine, servicing the transmission, repairing the hydraulic system, or replacing worn work equipment, this Komatsu GD655-3C parts book provides the exact information you need.

File Details

• Manual Type: Parts Book / Parts Catalog
• Brand: Komatsu
• Model: GD655-3C (6D665-3C Differential Lock Type)
• Engine: SA6D114E-2BB-VH
• Serial Number Coverage: Machine B15001 and up; Engine 2B80003 and up
• Document Number: KEPB074501
• Language: English (with multilingual foreword sections)
• File Format: PDF
• Page Count: Approximately 500 pages

Chapters Covered

The Komatsu GD655-3C parts book is organized into clearly defined sections, each containing exploded-view illustrations and corresponding parts lists. This structure allows you to quickly locate the exact part you need for any system on the machine.

• AA [ENGINE] – Cylinder head, cylinder block, crankshaft, piston, camshaft, rocker arm, flywheel, oil pan, oil pump, oil cooler, fuel injection pump, fuel filter, fuel piping, starting motor, alternator, water pump, thermostat, turbocharger, air intake heater, exhaust manifold, air compressor, and related engine components.
• B0 [ENGINE RELATED PARTS] – Engine mounting parts, engine accessories (damper, remote drain, electrical relay, accelerator control), air intake (air cleaner and piping), exhaust system.
• C0 [COOLING SYSTEM] – Engine cooling (blower fan and related parts), fan pulley and V-belt, radiator and mounting parts, radiator piping, sub tank and piping, fan guard.
• D0 [FUEL TANK AND RELATED PARTS] – Fuel hydraulic tank and mounting parts, fuel piping with water separator.
• E0 [ELECTRICAL SYSTEM] – Battery, fuse/relay and battery holder, battery wiring, front frame harness, rear harness (sensor and back-up alarm, wiring, articulate sensor, differential lock line, torque converter oil sensor line), instrument panel, electrical system for head lamp, turn signal lamp, rear combination lamp, front work lamp, rear work lamp, beacon lamp, and horn.
• F0 [TRANSMISSION] – Drive shaft, transmission and oil filler, front axle (axle support, housing, tie rod), rear axle (final drive – center case, bevel gear, differential, planetary gear, torque shaft, filler tube, breather, tandem case L.H./R.H., tandem drive – front planetary, rear planetary, sprocket chain, brake piping, parking brake, brake caliper, solenoid valve), transmission piping, torque converter and transmission mounting parts, transmission case, clutches (forward low and reverse, forward high and 1st, 2nd and 3rd, 4th), transmission output, P.T.O. and idler, control valves, speed meter, torque converter bare, drive case, and P.T.O.
• H0 [HYDRAULIC SYSTEM] – Hydraulic tank (accessory and drain piping), main control valve, hydraulic pump (single and tandem), steering piping (front frame side), floor valve, parking and brake control valve, valves for hydraulic piping, pilot check valves (for leaning, articulate, drawbar shift, blade shift R.H./L.H.), swivel joint, hydraulic piping (tank to pump, pump to valve, return line, L.S. piping, connector for priority valve, connector for bank valve, mounting parts for piping, brake line, differential piping, ripper piping, bank cylinder line, connecting parts for main valve, blade lift shift cylinder line, blade lift cylinder line, drawbar side shift cylinder line, leaning cylinder line, articulate cylinder line, blade accumulator line, power tilt cylinder line, pilot check valve for power tilt, scarifier line, snow flow, transmission cooling).
• J0 [FRAME AND RELATED PARTS] – Front frame and mounting pin (with and without scarifier), rear frame and mounting pin, hange pin (for front and rear frame), steering cylinder, remote grease, leaning cylinder.
• K0 [OPERATOR’S COMPARTMENT AND CONTROL SYSTEM] – Operator’s seat (fabric seat with suspension cover), seat belt, operator’s cab (cab frame and glass, cab exterior parts, cab interior parts, door inner parts L.H./R.H., lock L.H./R.H., cab harness, air conditioner harness, dummy cap, front lower wiper, rear wiper, radio cassette, air conditioner unit and duct, control panel for air conditioner, seal and mounting parts), rear view mirror, floor mat, window washer (2-tanks type), defroster fan, air conditioner (equipment and mounting parts, piping, heater piping, piping for double heater), platform, work equipment control lever, accelerator pedal and inching pedal, steering post cover, steering post, valve control lever, platform cover, console box R.H., accelerator lever, operator’s seat bracket, brake pedal, steering wheel and steering valve, steering valve piping, stop lamp and service meter, floor harness, console box R.H. (electrical system), floor harness and transmission, electrical system (steering post and R.H. console box), air conditioner (control panel and unit, duct), elbow for brake valve, engine accessory (accelerator control), floor (float electric with blade float, diff lock, blade float and diff lock), float independent, 12V converter, brake accumulator and slack adjuster, brake piping, brake pedal piping, elbow for brake valve and slack adjuster.
• M0 [GUARD] – Engine hood and radiator guard, side panel for engine hood, buffer plate for engine hood, floor cover and front frame side cover, platform mounting, transmission under guard, tool box, ladder and side step, front weight, pusher weight, rear weight.
• N0 [CIRCLE MOTOR AND PIPING] – Hydraulic piping for circle revolution motor line.
• S0 [RIM AND TIRES] – Rim and tire assemblies (17.5-25-12PR, 14.00-24-12PR, 17.5-R25) with wheel, rim, O-ring, valve, stem, core, seat, adapter, and cap components.
• T0 [WORK EQUIPMENT] – Drawbar and circle support, blade lifter, blade (3.7M and 4.3M), circle support mounting parts, ripper, ripper shank, ripper shank tooth, circle revolving with slip clutch, blade lift cylinder, blade shift cylinder, power tilt cylinder, drawbar shift cylinder, scarifier cylinder, ripper cylinder, articulate cylinder, scarifier (fixed rod type), scarifier shank tooth.
• U0 [MARKS AND PLATES] – Marks and plates for Brazil.
• V0 [ACCESSORY AND TOOL] – Tool kit contents including bag, wrench set, wrenches, filter wrench, socket wrench set, screwdriver, pliers, hammer, thickness gauge, bar, tire gauge, grease pump, and related items.
• Y0 [SERVICE KIT AND COMPONENT PARTS] – Service kit, main pump (1/6 through 6/6), hydraulic gear pump (single and tandem), blade lift cylinder inner parts, blade side shift cylinder inner parts, drawbar side shift cylinder inner parts, power tilt cylinder inner parts, scarifier cylinder inner parts, ripper cylinder inner parts, steering cylinder inner parts, leaning cylinder inner parts, articulate cylinder inner parts, brake accumulator inner parts, blade accumulator inner parts, control valve (4-spool and 5-spool) inner parts, LS reducing valve, steering valve inner parts, air conditioner unit inner parts.

The Komatsu GD655-3C parts book is far more than a simple parts list. It is a complete visual disassembly guide that shows how every component on the machine goes together. Each section includes detailed exploded-view illustrations with index numbers, and the corresponding parts lists give you the exact part number, description, and quantity for every item. This makes it possible to identify individual components even when they are part of a larger assembly, and to understand how those components relate to one another. For anyone maintaining, repairing, or restoring a GD655-3C motor grader, this level of detail is essential for ordering the correct parts the first time and avoiding costly mistakes.

Why This Komatsu GD655-3C Parts Book Is Essential

When you are working on a Komatsu GD655-3C motor grader, the last thing you want is to order the wrong part or waste time trying to identify a component from a generic diagram. This parts book eliminates that problem by giving you the exact part numbers and descriptions that Komatsu uses for every component on the machine. From the smallest O-ring to the largest casting, every part is cataloged with its own unique number, making it simple to communicate with your parts supplier and get exactly what you need.

The exploded-view illustrations in this Komatsu GD655-3C parts book are particularly valuable because they show the relationship between components. When you are disassembling a complex assembly like the transmission, rear axle, or hydraulic control valve, having a clear illustration of how the parts fit together can save hours of frustration. You can see at a glance which parts are grouped together, how they are oriented, and what fasteners and seals are required. This is especially important for assemblies that contain many small parts, such as the pilot check valves, solenoid valves, and control valves that are used throughout the hydraulic system.

Another major advantage of this parts book is its coverage of optional equipment and attachments. The GD655-3C was available with a range of options including ripper, scarifier, blade float, differential lock, and various tire and rim configurations. This parts book covers all of these variations, so whether your machine is equipped with a scarifier, a ripper, or both, you can find the correct parts for your specific configuration. The inclusion of separate sections for different machine specifications ensures that you are looking at the right components for your machine, not a generic list that may or may not apply.

Who This Parts Book Is For

This Komatsu GD655-3C parts book is an indispensable resource for anyone who owns, operates, maintains, or repairs this model of motor grader. That includes:

• Equipment owners and fleet managers who need to order parts and want to ensure they get the correct components for their machine.
• Mechanics and technicians who perform repairs and need to identify parts during disassembly and reassembly.
• Parts departments and suppliers who need to look up part numbers and verify compatibility with specific machine serial numbers.
• Rebuilders and restoration specialists who need to source hard-to-find components and understand how assemblies go together.
• Appraisers and inspectors who need to verify that a machine has the correct components for its configuration.

How to Use This Komatsu GD655-3C Parts Book

The structure of this parts book is designed to make part identification as straightforward as possible. Each section begins with an exploded-view illustration that shows the components in their assembled positions, with each part marked by an index number. The facing page contains a parts list that corresponds to those index numbers, giving you the part number, description, and quantity for each item. This two-page spread format means you can see both the illustration and the parts list at the same time, making it easy to locate the exact part you need.

When ordering a part, you should always specify the part number, part name, and quantity required, and also provide your machine model code, machine serial number, engine serial number, and service meter reading. This information helps your Komatsu distributor ensure that you receive the correct part for your specific machine. The serial number ranges listed throughout the parts book are particularly important because Komatsu made running changes to the GD655-3C during production, and some parts were updated or superseded. By checking the serial number ranges in the parts list, you can confirm that a part is applicable to your machine before ordering.

The parts book also uses special symbols and codes to indicate important information about certain parts. For example, some parts are marked as interchangeable with other parts, some are supplied only as part of an assembly, and some are discontinued and replaced by a newer part number. Understanding these symbols helps you avoid ordering a part that is no longer available or that is not compatible with your machine. The parts book also indicates which parts are included in service kits, which can be a cost-effective way to purchase commonly replaced seals, gaskets, and O-rings.

What You Can Do With This Komatsu GD655-3C Parts Book

With this Komatsu GD655-3C parts book in your hands, you can confidently tackle a wide range of tasks on your motor grader:

• Order parts accurately – Look up the exact part number for any component on the machine, from engine internals to cab fittings, and communicate that number to your supplier with confidence.
• Plan repairs and rebuilds – Use the exploded-view illustrations to understand how assemblies come apart and go together, and identify all the seals, gaskets, and fasteners you will need before you start the job.
• Identify interchangeable parts – Use the parts book symbols to find alternative part numbers that can be used in place of the original, which can be helpful when a part is discontinued or when you need a more readily available option.
• Verify machine configuration – Confirm that your machine has the correct parts for its options and serial number range, which is essential when ordering parts for machines that have been modified or repaired in the past.
• Source service kits – Identify the service kits available for your machine and use them to purchase commonly replaced items in a single, cost-effective package.
• Understand assembly relationships – See how components fit together within larger assemblies, which is invaluable when you are working on complex systems like the transmission, hydraulic control valves, or rear axle final drives.

Get Your Komatsu GD655-3C Parts Book Today

This Komatsu GD655-3C parts book is available as an instant PDF download. There is no shipping, no waiting for a physical book to arrive, and no risk of a printed copy going out of date or getting lost in the shop. Once your order is complete, you can download the file immediately and start using it right away. The PDF format works on any device – laptop, tablet, or smartphone – so you can access it in the office, in the workshop, or out in the field. You can print individual pages if you prefer to work with a paper copy, and you can search the document to quickly find the section or part number you need.

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Whether you are performing routine maintenance, planning a major repair, or restoring a GD655-3C motor grader, this parts book gives you the information you need to do the job right. Don’t waste time guessing at part numbers or trying to make a generic diagram work for your specific machine. Get the correct information the first time with this Komatsu GD655-3C parts book. Order your instant PDF download today and have the complete parts reference for your motor grader at your fingertips.