Komatsu GD655A-3(S/N 64001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu GD655A-3 (S/N 64001-UP) is a heavy-duty motor grader designed for large-scale earthmoving and road maintenance. This machine belongs to the GD family, utilizing a 6-cylinder SAA6D1::E-3 engine providing up to 200 hp (149.2 kW). It features an 8-speed full power shift transmission and a 12 ft (3710 mm) moldboard. The series is characterized by its high operating weight, typically around 33,951 lb (15,400 kg), and is configured with a load-sensing closed center hydraulic system.
Across the GD655 series generations, advancements have focused on emissions compliance and transmission efficiency, moving from Tier 3 to Tier 4 Final configurations. The GD655A-3 remains highly relevant in the used parts and machinery market due to its robust SAA6D114E-3 powertrain and the availability of genuine components. Its durability in heavy-duty applications makes it a primary target for fleet owners seeking reliable, high-capacity grading performance.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu GD655A-3(S/N 64001-UP) specifications
Engine
| Model | SAA6D114E-3 |
| Net Power (Gears 1-2) | 1rab hp (134 kW) |
| Net Power (Gears 4-6) | 200 hp (149.2 kW) |
| Net Power (Gears 5-6) | 200 hp (149.2 kW) |
| Net Power (Gears 7-8) | 200 hp (149.2 kW) |
| Max Power | 200 hp (149.2 kW) |
| Displacement | 505 cu in (8.3 L) |
| Cylinders | 6 |
| Aspiration | Turbocharged and air-to-air aftercooled |
| Power Measured @ | 1900 rpm |
| Torque Measured @ | 1400 rpm |
| Net Torque (Gears 1-2) | 612 lb ft (830 Nm) |
| Net Torque (Gears 3-4) | 719 lb ft (975 Nm) |
| Net Torque (Gears 5-6) | 719 lb ft (975 Nm) |
| Net Torque (Gears 7-8) | 719 lb ft (975 Nm) |
| Emissions Tier | Tier 3 EPA and EU Stage 3A certified |
Weights
| Standard Operating Weight (Total) | 33,951.2 lb (15,400 kg) |
| Standard Operating Weight (Front Axle) | 9,039 lb (4,100 kg) |
| Standard Operating Weight (Rear Axle) | 24,912.3 lb (11,300 kg) |
Dimensions
| Overall Length | 33.75 ft (10,280 mm) |
| Width Over Tires | 8.33 ft (2,550 mm) |
| Height to Top of Isomount Cab | 10.25 ft (3,120 mm) |
| Wheelbase | 19.93 ft (6,070 mm) |
| Tandem Axle Wheelbase | 5 ft (1,535 mm) |
| Blade Base | 8.5 ft (2,600 mm) |
| Ground Clearance | 24.8 in (630 mm) |
Performance
| Max Speed (Forward) | 26.2 mph (42.2 km/h) |
| Max Speed (Reverse) | 23.9 mph (38.4 km/h) |
| Articulation Angle | 23 degrees |
| Turning Radius | 22.7 ft (6.9 m) |
| Moldboard Width | 12 ft (3,710 mm) |
| Max Depth of Cut | 32.1 in (815 mm) |
| Moldboard Height | 26 in (660 mm) |
| Moldboard Thickness | 0.9 in (22 mm) |
| Side Shift Left/Right | 3lag in (820 mm) |
| Circle Diameter | 60.2 in (1,530 mm) |
| Max Lift Above Ground | 19.9 in (505 mm) |
| Blade Tip Angle (Front) | 40 degrees |
| Blade Tip Angle (Rear) | 5 degrees |
| Wheel Lean | 20 degrees |
| Total Axle Oscillation | 32 degrees |
Service capacities (summary)
| Fuel Capacity | 89.9 gal (340 L) |
| Hydraulic System Fluid Capacity | 26.4 gal (100 L) |
| Engine Oil System Capacity | 8 gal (30 L) |
| Cooling System Capacity | 10.4 gal (39.5 L) |
| Transmission Fluid Capacity | 11.9 gal (45 L) |
| Circle Gearbox Fluid Capacity | 1.3 gal (5 L) |
| Tandem Case Fluid Capacity (Each) | 21.9 gal (83 L) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
GD655A-3(S/N 64001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 30 L (7.9 gal) to 30 L (8 gal) | Komatsu EO (Engine Oil) |
| Cooling system | 39 L (10 gal) to 39.5 L (10.4 gal) | Komatsu ELC (Extended Life Coolant) |
| Fuel tank | 340 L (89.9 gal) | Diesel fuel |
| Transmission/powertrain compartments | 45 L (11.9 gal) to 45 L (12 gal) | Komatsu TO (Transmission Oil) |
| Final drives (each) | 83 L (2im gal) to 83 L (22 gal) | Komatsu AXO (Axle Oil) |
| Hydraulic system and tank | 95 L (25 gal) to 100 L (26.4 gal) | Komatsu HO (Hydraulic Oil) |
| Circle gearbox | 5 L (1.3 gal) | Per OEM manual |
| Grease | Per OEM manual | Komatsu Grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu GD655A-3(S/N 64001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the GD655A-3(S/N 64001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize oil wear analysis at every major service interval to monitor wear metals like iron and copper. Regularly sample hydraulic fluid to track particle counts and oxidation levels, especially under high-pressure loads. Monitoring engine oil for fuel dilution or soot buildup prevents premature turbocharger failure. Integrating telematics allows for real-time tracking of fault codes and fuel consumption, enabling proactive component replacement before catastrophic failure occurs.
Corrective & Common Repairs
Address frequent fuel system issues by inspecting the injection pump and checking for air ingress in lines. If the engine cranks but fails to start, verify fuel system priming and check electric solenoids for power. Monitor hydraulic hoses for cracks or leaks that compromise system pressure. For transmission concerns, inspect the full power shift clutch engagement and check for fluid leaks around the tandem case seals to maintain operational efficiency.
Overhaul & Rebuild Points
Major rebuilds should focus on the SAA6D114E-3 engine, specifically inspecting turbocharger integrity and valve train wear. During drivetrain overhauls, evaluate the transmission's 8-speed functionality and inspect final drive planetary gears. The hydraulic system requires a complete evaluation of the variable displacement piston pump and cylinder rod seals. For structural rebuilds, perform comprehensive weld inspections on the drawbar and moldboard assembly to ensure chassis integrity.
Seasonal & Environment Servicing
In high-dust quarry or construction environments, reduce air filter service intervals by 50% to prevent turbocharger damage. During extreme cold, verify coolant SCA concentrations and ensure the cooling system is properly flushed to prevent freezing. In heavy-duty summer operations, prioritize radiator and oil cooler pressure washing to remove debris from fins. Always check tire inflation and sidewall condition if operating on abrasive or sharp-debris surfaces.
GD655A-3(S/N 64001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 08147-22400 | Lamp,Caution? Engine Oil Filter | Lubrication service | Check fitment → |
| 07000-02075 | O-Ring,Steering Oil Filter | Lubrication service | Check fitment → |
| ND090438-0420 | Shim? 1.9mm,Element Holder | Scheduled service item | Check fitment → |
| ND090438-0400 | Shim? 1.8mm,Element Holder | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
GD655A-3(S/N 64001-UP) attachments & work tools
Moldboard / Blade
Standard moldboard width is 12 ft (3710 mm) with a height of 26 in (660 mm). Thickness is 0.9 in (22 mm), and the maximum depth of cut is 32.1 in (815 mm). Side shift capability reaches 32.3 in (820 mm) to both the left and right.
Scarifiers / Ripper
The machine can be configured with a front scarifier featuring up/to 11 shanks or a rear scarifier with 9 shanks. A rear ripper option is available with a 3-shank configuration.
Circle / Drawbar
The circle diameter is 60.2 in (1530 mm) and allows for 360 degree rotation. The drawbar features an A-shaped, u-section press formed and welded construction with a replaceable ball for maximum strength.
Hydraulic System & Mounting
The machine utilizes load-sensing closed center hydraulics with a variable displacement piston pump. Attachments requiring hydraulic power must interface with a system providing 51 gal/min (194 L/min) flow and a relief valve pressure of 3000 psi (20600 kPa).
Cutting Edges
Standard cutting edge dimensions are 152 mm x 16 mm.
All GD655A-3(S/N 64001-UP) assemblies by section
Every catalogued assembly group for the Komatsu GD655A-3(S/N 64001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
6d125-1r Engine S/N 10001-Up
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Air Cleaner
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 6 |
| 01***16 | Washer,Radio Controlled Slag Handling | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Air Intake Manifold And Connection
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 14 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 6 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Alternator (25a) (With Vacuum Pump)
| 60***70 | Alternator A. (25a) | 1 |
| KD***20 | Packing | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Alternator And Mounting (With Vacuum Pump)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt | 1 |
| 01***11 | Nut (Welded) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Camshaft
| 01***22 | Bolt | 2 |
| 04***25 | Key, Plain Woodruff | 1 |
| 04***12 | Ring,Snap (For Ripper) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Cooling Fan And Mounting
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 22 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Corrosion Resistor And Piping
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 02***25 | Bolt,(Cold Weather Spec.) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Crankshaft
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Screw | 1 |
| 01***35 | Screw | 5 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Cylinder Block Cover
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***00 | Bolt, Mount Back-Up Alarm | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Cylinder Block(#10001-10099)
| 01***12 | Bolt,(Without Air Compressor Type) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 14 |
| 04***14 | Pin, Dowel | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Cylinder Block(#10100-)
| 01***12 | Bolt,(Without Air Compressor Type) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 14 |
| 04***14 | Pin, Dowel | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Cylinder Head(#10001-26915)
| 04***20 | Pin,Dowel (Welded) | 2 |
| 61***30 | Sleeve,Holder | 1 |
| 61***20 | Cotter, Valve | 8 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Cylinder Head(#26916-)
| 04***20 | Pin,Dowel (Welded) | 2 |
| 61***30 | Sleeve,Holder | 1 |
| 61***20 | Cotter, Valve | 8 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Engine Support
| 61***20 | Support,Front | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Exhaust Manifold
| 01***80 | Bolt, Mount Strainer Flange | 18 |
| 01***00 | Bolt (M10-1.50x100) | 18 |
| 07***08 | Plug,(Without Auto Priming System) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Flywheel And Flywheel Housing
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***50 | Bolt, Radiator To Frame | 6 |
| 01***70 | Bolt - Thrust Plate Mounting | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Front Cover
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
| 01***60 | Screw | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Fuel Filter And Piping
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Fuel Injection Pump (Coupling)(#10001-11125)
| 61***21 | Injection Pump A.,(For Gd655a?R) (See Fig.476) | 1 |
| ND***50 | Bolt | 1 |
| ND***70 | Bolt | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Fuel Injection Pump (Feed Pump)(#10001-11125)
| 61***21 | Injection Pump A.,(For Gd655a?R) (See Fig.476) | 1 |
| ND***40 | Washer? 1mm,Plate | 1 |
| ND***70 | Feed Pump Ass'Y | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Fuel Injection Pump (Governor)(#10001-11125)
| 61***21 | Injection Pump A.,(For Gd655a?R) (See Fig.476) | 1 |
| ND***40 | Plug,Screw | 1 |
| ND***20 | Washer? 1.0mm,Cover Plate | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Fuel Injection Pump (Pump)(#10001-11125)
| 61***21 | Injection Pump A.,(For Gd655a?R) (See Fig.476) | 1 |
| 61***22 | Injection Pump A.,(For Gd655a?R) (See Fig.476) | 1 |
| ND***50 | Ring,Adjust | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Fuel Injection Pump And Piping
| 01***75 | Bolt,(See Fig.0142) | 4 |
| 01***30 | Bolt | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Gasket Kit
| 01***23 | Washer,Lock (K5) | 1 |
| 02***43 | O-Ring,Water Manifold | 10 |
| 07***10 | O-Ring,(F4350-62a0 -5 ), O-Ring; Komatsu S/N 22***01 & Abv - Was 07000-02010, O-Ring; Was 07000-02010 | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Heater Switch And Heater Signal
| 08***19 | Cap, At Heater Relay Terminals | 2 |
| 08***35 | Indicator,Dust (Japanese-English) | 1 |
| 60***70 | Switch,Air Intake Heater | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Lubricating Oil Cooler
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 13 |
| 01***65 | Bolt,(Except Japan) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Lubricating Oil Filter
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***16 | Washer,Radio Controlled Slag Handling | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Lubricating Oil Piping
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
| 01***16 | Washer,Radio Controlled Slag Handling | 7 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Lubricating Oil Pump And Suction Pipe
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Main Clutch Cooler
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 3 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Muffler
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***30 | Bolt, Mount Pump | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Nozzle Holder
| 01***45 | Bolt, Divider Valve Mounting | 12 |
| 07***65 | O-Ring,Cylinder Block | 6 |
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Oil Pan
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 31 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
| 01***16 | Washer,Radio Controlled Slag Handling | 37 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : P.T.O. Lubricating Oil Piping
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 23 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Piston And Connecting Rod
| 02***13 | Pin, Dowel | 2 |
| 04***18 | Ring, Snap | 2 |
| 61***10 | Piston Ass'Y | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Power Take Off (1/2)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
| 01***40 | Bolt,(With Service Valve R.H.) | 6 |
| 01***45 | Bolt | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Power Take Off (2/2)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Rocker Arm And Housing
| 01***08 | Nut,R.H. Thread | 12 |
| 01***16 | Washer,Radio Controlled Slag Handling | 40 |
| 01***32 | Washer,(With Auto Emergency Steering) | 40 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Rocker Arm Housing Cover
| 01***16 | Washer,Radio Controlled Slag Handling | 24 |
| 61***10 | Cover,Head? No.2?3?4?5?6 | 6 |
| 61***11 | Cover,Head? No.2?3?4?5?6 | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Starting Motor (7.5kw)(#10001-18199)
| 60***30 | Starting Motor Ass'Y,(7.5kw)(See Fig.0661) | 1 |
| KD***20 | Magnetic Switch Assembly | 1 |
| KD***40 | Spring,Spring | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Starting Motor (7.5kw)(#18200-)
| 60***30 | Starting Motor Ass'Y,(7.5kw) | 1 |
| KD***60 | Shift Lever Assembly | 1 |
| KD***40 | Spring,Spring | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Starting Motor And Mounting
| 01***40 | Bolt,(With Center Guard) | 3 |
| 60***30 | Starting Motor Ass'Y,(7.5kw)(See Fig.0661) | 1 |
| 66***10 | Gasket,Starting Motor | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Turbocharger (For Turbocharger Engine)
| 61***00 | Turbocharger Ass'Y,(Tv7705) | 1 |
| GA***85 | V-Band Ass'Y | 1 |
| GA***07 | Rotor Ass'Y | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Water Manifold
| 02***43 | O-Ring,Water Manifold | 10 |
| 07***12 | Washer, Gasket,(Without Thermo Sensor) (K1) | 1 |
| 07***12 | Plug,(Without Corrosion Resistor) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Water Pump
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 3 |
Komatsu : Gd655a-3(S/N 64001-Up) : 6d125-1r Engine S/N 10001-Up : Water Separator
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 60***00 | Water Separator A.,(4d105-5h? 4d105-5t) | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Control System
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Double Relief Valve
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Flow Control Valve
| 23***00 | Valve Ass'Y,Flow Control | 1 |
| 23***30 | Spring | 1 |
| 23***40 | Spring | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Front Axle
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***13 | Nut | 2 |
| 01***16 | Nut | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Pitman Arm
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Steering Cylinder
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***65 | Ring,Back-Up (Kit) | 1 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Steering Piping
| 01***60 | Bolt | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Steering Pump
| 01***36 | Washer,Radio Controlled Slag Handling | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 04***15 | Ring, Snap | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Steering Wheel
| 01***11 | Nut - Mounting | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Control System : Tie Rod
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 4 |
| 01***60 | Bolt, Tube To Oil Cooler | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Engine Related Parts And Electrical System
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Battery
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***18 | Bolt | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Electrical System
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***25 | Bolt,Without Revolution Sensor | 1 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***55 | Bolt | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Fuel Piping
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Instrument Panel
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 6 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 5 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Radiator
| 01***12 | Bolt,(With Cylinder Cover) | 8 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 5 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Throttle Lever Linkage
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***40 | Bolt | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Throttle Pedal Linkage
| 01***30 | Bolt | 1 |
| 01***12 | Bolt,(With Cylinder Cover) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Engine Related Parts And Electrical System : Turn Signal Lamp
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 1 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 1 |
Frame And Guard
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Auxiliary Seat
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***26 | Screw (Op) | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Engine Hood
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 16 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 15 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Floor Mat
| 23***10 | Mat (Op) | 1 |
| 23***20 | Mat (Op) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Frame
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Marks And Plates
| 01***06 | Screw | 4 |
| 01***10 | Washer,Spring (For Engine Room Lamp) | 4 |
| 09***00 | Plate? Caution,Recommended Fuel Oil | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Operator'S Compartment
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 10 |
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Operator'S Seat
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 7 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Frame And Guard : Side Panel
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 44 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
| 01***12 | Screw (Op) | 16 |
Hydraulic System
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Articulate Cylinder
| 07***95 | O-Ring,(Y1620-11a0a-12) | 1 |
| 07***95 | Ring,Back-Up? Cylinder Head | 1 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Articulate Piping
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Blade Lift Cylinder
| 01***75 | Bolt,(Reinforced Type) | 2 |
| 01***16 | Nut - M20 | 2 |
| 01***60 | Washer,(For Large Size Tire) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Blade Lift Piping
| 01***65 | Bolt,R.H | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Blade Side Shift Cylinder
| 07***85 | O-Ring,(For Snow Removing) | 1 |
| 07***85 | Ring,Back-Up? Head | 1 |
| 07***45 | Seal,Dust? Cylinder | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Blade Side Shift Piping
| 01***12 | Bolt,(With Cylinder Cover) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Circle Revolution Piping
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***65 | Bolt,R.H | 1 |
| 01***75 | Bolt,(For Shipping) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Console Box
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***12 | Screw,(Additional Sun Visor) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Directional Control Valve
| 07***34 | O-Ring,(For Front Attachment) | 2 |
| 23***30 | Spring | 1 |
| 23***20 | Plug | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Drawbar Shift Cylinder
| 01***75 | Bolt,(Reinforced Type) | 4 |
| 01***16 | Nut - M20 | 4 |
| 01***60 | Washer,(For Large Size Tire) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Drawbar Side Shift Piping
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 1 |
| 01***90 | Bolt, Fan Mounting | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Hydraulic Control Lever
| 01***05 | Nut,L.H. Thread (D31s) | 8 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
| 04***12 | Pin,Cotter (For Ripper) | 16 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Hydraulic Control Valve
| 01***16 | Bolt (Op) | 20 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***08 | Nut (Op) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Hydraulic Motor
| 23***00 | Motor Ass'Y | 1 |
| 23***20 | Housing | 1 |
| 23***50 | Shaft Ass'Y | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Hydraulic Pump
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 8 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Hydraulic Tank
| 01***30 | Bolt,Radio Controlled Slag Handling | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Leaning Cylinder
| 07***85 | O-Ring,(For Snow Removing) | 1 |
| 07***85 | Ring,Back-Up? Head | 1 |
| 07***45 | Seal,Dust? Cylinder | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Leaning Piping
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***25 | Bolt, Mount Filter To Bracket | 1 |
| 01***09 | Nut,(With Body Positioner) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Low Pressure Piping
| 01***16 | Bolt (With Air Heater & Conditioner) | 7 |
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***80 | Bolt,(For Long Lever Control) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Pilot Check Valve
| 01***12 | Nut | 1 |
| 07***12 | O-Ring, Divider Valve Mounting | 2 |
| 07***21 | O-Ring (Kit) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Scarifier Cylinder
| 07***85 | O-Ring,(For Snow Removing) | 1 |
| 07***85 | Ring,Back-Up? Head | 1 |
| 07***05 | Bushing (Op) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Hydraulic System : Scarifier Piping
| 07***34 | O-Ring,(For Without Brake Assistor) | 8 |
| 07***08 | Plug,(Without Auto Priming System) | 2 |
| 07***05 | Hose (Op) | 1 |
Mark Plate? Tool And Kit
Komatsu : Gd655a-3(S/N 64001-Up) : Mark Plate? Tool And Kit : Service Kit
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 2 |
| 07***75 | O-Ring,Steering Oil Filter | 1 |
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Mark Plate? Tool And Kit : Tool
| 01***65 | Bolt, Mount Cam | 1 |
| 07***00 | Pump,Grease | 1 |
| 07***00 | Cartridge,Grease | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Mark Plate? Tool And Kit : Tool Box
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 12 |
Optional Parts
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Car Heater Mounting
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
| 07***29 | Clamp | 12 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Car Herter Wiring
| 01***16 | Bolt (With Air Heater & Conditioner) | 12 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Front Blade
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 20 |
| 01***55 | Bolt,(Without Rops Guard? Canopy) | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Front Blade Control Lever
| 01***05 | Nut,L.H. Thread (D31s) | 4 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Front Blade Cylinder
| 07***95 | O-Ring,(Y1620-11a0a-12) | 1 |
| 07***95 | Ring,Back-Up? Cylinder Head | 1 |
| 07***07 | Seal | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Front Blade Piping
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***60 | Bolt,(For Japan And Sweden) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Hydraulic Control Valve
| 01***16 | Bolt (Op) | 16 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***08 | Nut (Op) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Hydroshift Transmission Un
| 01***50 | Bolt,(For Tree Pusher) | 8 |
| 01***60 | Washer,(For Large Size Tire) | 8 |
| 23***10 | Seat (Welded) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Pilot Check Valve
| 01***12 | Nut | 1 |
| 07***12 | O-Ring, Divider Valve Mounting | 2 |
| 07***21 | O-Ring (Kit) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Power Tilt Blade Piping
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***60 | Bolt,(For Japan And Sweden) | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Power Tilt Control Lever
| 01***05 | Nut,L.H. Thread (D31s) | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Power Tilt Cylinder
| 04***20 | Ring, Snap | 4 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
| 07***85 | Ring,Back-Up? Head | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Pusher
| 01***00 | Screw | 6 |
| 01***19 | Nut - M24 | 6 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 12 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Radiator Shutter
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Ripper Cylinder
| 04***25 | Ring, Snap | 1 |
| 04***52 | Ring,Snap | 1 |
| 07***25 | O-Ring,Cylinder Head | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Ripper Piping
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***70 | Bolt (Op) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Ripper Shank? Beam And Lin
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***85 | Bolt,(For Perforated Mask) | 4 |
| 01***60 | Bolt | 10 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Rops Cab
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 20 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Rops Canopy
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***35 | Bolt | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Steel Cab
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 14 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 3 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Steel Canopy
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 8 |
Komatsu : Gd655a-3(S/N 64001-Up) : Optional Parts : Support For Power Tilt Bla
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
Power Train
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Damper
| 01***20 | Bolt,(Without Maintenance Monitor) | 36 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***30 | Bolt | 12 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transfer
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transfer Gear
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 20 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission 1s
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
| 01***50 | Bolt,(With Service Valve R.H.) | 7 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Ca
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 12 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Co
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Fi
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Fo
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 8 |
| 04***25 | Ring, Retaining | 1 |
| 04***25 | Ring, Snap | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Ou
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 14 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Pi
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Pu
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 4 |
| 04***24 | Pin,Dowel (For No.3 Housing) | 4 |
| 04***18 | Ring, Retaining | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Re
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 4 |
| 04***18 | Ring,Snap (Without R.P.C.U.) | 3 |
| 04***10 | Ring, Snap | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Hydroshift Transmission Su
| 01***40 | Bolt,(With Service Valve R.H.) | 12 |
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***00 | Bolt - Cover Mounting | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Power Train : Inching Control
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Wheel
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Air Dryer
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
| 23***00 | Dryer (Op) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Air Governor
| 23***10 | Governor Ass'Y,Air (Op) | 1 |
| 38***-1 | Screw,Adjusting | 1 |
| 38***-1 | Seat,Spring | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Brake Master Cylinder
| 23***11 | Piston Ass'Y (Kit) | 1 |
| 23***02 | Master Cylinder A | 1 |
| 23***11 | Cylinder | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Brake Pedal
| 01***12 | Bolt,(With Cylinder Cover) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Brake Piping
| 01***16 | Bolt (With Air Heater & Conditioner) | 24 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***35 | Bolt,(For Position Fixing) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Brake Vacuum Piping
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Brake Valve
| 01***25 | Bolt,(For Automatic) | 4 |
| 01***22 | Bolt,(10m) | 3 |
| 01***10 | Screw,(For Wiper Switch Earth) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Final Drive Bevel Gear
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Final Drive Case
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Hydromaster
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 23***00 | Hydromaster Ass'Y | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Parking Brake
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 6 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 1 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 6 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Parking Brake Control
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Propeller Shaft
| 01***60 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 8 |
| 23***00 | Drive Shaft Ass'Y | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Relay Valve
| 56***60 | Valve (Kit) | 1 |
| 56***70 | Ring,Retaining (Kit) | 1 |
| 56***80 | O-Ring (Kit) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Tandem Drive Case
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 12 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 16 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Tandem Drive Case And Chai
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***40 | Bolt,(With Center Guard) | 20 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Tandem Drive Case?Chain An
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Rubber Shoe) | 8 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Wheel
| 23***10 | Wheel Ass'Y,Front? R.H. And Rear? L.H | 3 |
| 23***20 | Wheel Ass'Y,Front? L.H. And Rear? R.H | 3 |
| 23***00 | Tire Ass'Y,(Yokohama) | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Wheel : Wheel Brake
| 01***35 | Bolt,(For Position Fixing) | 2 |
| 01***10 | Nut,(Without Air Conditioner) | 4 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 4 |
Work Equipment
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Bank Cutting Control
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Blade
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 5 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Blade Accumulator Electric
| 01***10 | Bolt,For Additional Rear Lamp | 2 |
| 08***14 | Band,(For Additional Fuel Strainer) | 20 |
| 08***02 | Lamp,Articulate Indicator | 1 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Blade Accumulator Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Blade Lifter
| 01***55 | Bolt, Mount Lh Bracket | 4 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 4 |
| 01***19 | Nut - M24 | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Circle Reverse Gear
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***40 | Bolt,(With Service Valve R.H.) | 8 |
| 01***55 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Drawbar
| 01***20 | Capscrew | 2 |
| 01***35 | Bolt | 14 |
| 01***50 | Capscrew - M20 X 2.50 | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Scarifier
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***65 | Bolt,(With Canvas Or Rops Canopy) | 10 |
| 01***80 | Bolt,(For Adjustable Rod) | 2 |
Komatsu : Gd655a-3(S/N 64001-Up) : Work Equipment : Scarifier Lifter
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***10 | Bolt (Op) | 4 |
| 01***05 | Bolt (Op) | 2 |
GD655A-3(S/N 64001-UP) serial number reference
The PIN plate is typically located on the cab pillar or front frame casting. To read the prefix, locate the first two characters of the model designation sequence.
| Prefix | Identifies | Notes |
|---|---|---|
| GD | GD655A-3(S/N 64001-UP) | Identifies the motor grader family. The numeric portion encodes the approximate horsepower class. |
Frequently asked questions
What engine is used in the GD655A-3?
The machine is powered by a Komatsu SAA6D114E-3 6-cylinder, turbocharged and air-to-air aftercooled engine.
What is the standard operating weight of this model?
The total standard operating weight is approximately 3lag lb (15,400 kg), with a front axle weight of 9,039 lb (4,100 kg) and a rear axle weight of 24,912.3 lb (11,300 kg).
What model replaced the GD655 series?
The GD655-6 and subsequent generations like the GD655-7 utilize newer SAA6D107E-3 engines and advanced Dual Mode transmissions.
What GD655A-3(S/N 64001-UP) owners discuss
What is the common troubleshooting procedure for a GD655-3 engine that cranks but fails to start?
What are the known hydraulic system specifications and behaviors for this machine?
What engine model is used in the GD655-3 series, and what are its performance characteristics?
What are the standard fluid capacities for maintenance on this motor grader?
What should be inspected when purchasing a used GD655-3 to ensure authenticity and condition?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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