Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PC10-7(S/N 25001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC10-7 is a compact hydraulic excavator designed for utility and municipal work in confined spaces. Produced in the early 1990s, this model features a Komatsu 3D78N-1B diesel engine delivering 20.7 horsepower. Operating weight ranges from 2,210 kg (4,873 lb) to 2,250 kg (4,961 lb) depending on track configuration. The PC10-7 succeeded the PC10-6 series and was eventually replaced by the PC10-8. Configurations included rubber or steel tracks, with options for hydraulic thumb attachments and various bucket widths.
The PC10-7 introduced significant improvements in hydraulic flow efficiency, increasing arm speed by 10-15% over previous iterations. It featured a redesigned undercarriage with upper wheels for better track suspension and a walk-through cab for easier access. The machine remains relevant in the used market due to its compact turning radius of 1,080 mm (3'7") and wide bucket offset capabilities, making it ideal for urban alleys and tight job sites. Its simple mechanical design and availability of aftermarket parts sustain its value for specialized contractors.
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 PC10-7(S/N 25001-UP) specifications
Engine
| Model | 3D78N-1B (S/N 25001-26596); 3D74E-3A (S/N 28069) |
| Gross/Net Power | 20.7 HP @ 2,500 RPM (3D78N-1B); 21 HP (3D74E-3A) |
| Displacement | 1.146 L (69.9 cu.in.) (3D78N-1B); 1.006 L (61.4 cu.in.) (3D74E-3A) |
| Cylinders | Not documented for this exact serial range — verify with your dealer |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | 2,210 kg (4,873 lbs) (S/N 25017, 26409); 2,250 kg (4,961 lbs) (S/N 26596, 28069) |
| Ground Pressure | 0.30 Kg/cm2 (4.3 psi) |
| Transport Weight | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Transport Length | 4,500 mm (14'9") (S/N 25017); 4,675 mm (15'4") (S/N 26409, 26596, 28069) |
| Transport Width | 1,450 mm (4'9") |
| Transport Height | 2,350 mm (7'9") (S/N 25017); 2,435 mm (8'0") (S/N 26409, 26596); 2,440 mm (8'0") (S/N 28069) |
| Tail Swing Radius | 1,080 mm (3'7") |
| Track Shoe Width | 250 mm (0'10") |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
| Undercarriage Length | 1,850 mm (6'1") |
Performance
| Max Dig Depth | Not documented for this exact serial range — verify with your dealer |
| Max Reach at Ground | Not documented for this exact serial range — verify with your dealer |
| Max Dump Height | Not documented for this exact serial range — verify with your dealer |
| Max Cutting Height | Not documented for this exact serial range — verify with your dealer |
| Swing Speed | 8.6 rpm |
| Travel Speed | 2.3 kmh (1.4 mph) (S/N 25017, 26596); 2.5 kmh (1.6 mph) (S/N 26409); 4.1 kmh (2.5 mph) (S/N 28069) |
| Gradeability | 30 deg. |
| Drawbar Pull | Drawbar Pull: Not documented for this exact serial range — verify with your dealer |
Forces
| Bucket Digging Force | 1,700 Kg (3,748 lbs) |
| Stick/Arm Digging Force | Not documented for this exact serial range — verify with your dealer |
Service Capacities (Summary)
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System/Tank | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu PC10-7(S/N 25001-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 PC10-7(S/N 25001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA fluid analysis at 500-hour intervals to monitor engine wear metals and hydraulic contamination. Check coolant SCA concentration at 500 hours to prevent scaling in the 3D78N-1B engine. Monitor hydraulic oil particle count during 1,000-hour services to detect pump wear early. Track final drive oil levels at every 250-hour service to identify seal leaks before they contaminate the undercarriage. Use KOMTRAX telematics data to correlate load frequency with fluid degradation rates for optimized change intervals.
Corrective & Common Repairs
Address frequent hydraulic hose failures by inspecting for chafing near the boom pivot points during 250-hour checks. Replace worn track shoes or pads when wear exceeds limits to maintain the 0.30 kg/cm² (4.3 psi) ground pressure rating. Repair or replace the 3D78N-1B fuel injection pump if idle speed becomes unstable. Check the swing bearing for play during 1,000-hour structural inspections. Replace the hydraulic return filter at 500 hours to prevent valve spool sticking common in older compact excavators.
Overhaul & Rebuild Points
Plan for main hydraulic pump overhaul when flow drops below specification, typically around 8,000-10,000 hours. Inspect the 3D78N-1B turbocharger blades for damage during 1,000-hour services. Rebuild the final drive motors if travel speed variance exceeds 10% between left and right tracks. Check the swing gearbox for gear backlash during 2,000-hour comprehensive evaluations. Overhaul the boom and stick cylinders when external seals leak or internal scoring is detected during 5,000-hour inspections.
Seasonal & Environment Servicing
In cold climates, verify coolant freeze protection before winter. Drain the fuel separator daily to prevent water accumulation in the 3D78N-1B engine. In dusty environments, clean the radiator and oil cooler fins daily to maintain the 55 dBA noise rating. Inspect the sound-absorbing material in the cab for damage to ensure operator comfort. Check track tension weekly in rocky terrain to prevent premature wear on the 250 mm or 300 mm wide track shoes. Use Komatsu EO or TO hydraulic fluid for optimal performance in varying temperatures.
PC10-7(S/N 25001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM119255-55620 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| YM102103-55520 | O-Ring,(For Fuel Filter) | Fuel system service | Check fitment → |
| YM124550-55700 | Element,Fuel Filter | Fuel system service | Check fitment → |
| YM171051-92760 | Wrench,Fuel Filter? Water Separator | Fuel system service | Check fitment → |
| 20T-98-72410 | Plate? Caution,Engine Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC10-7(S/N 25001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power failure | ECM power connections, fuses, or ground wires are compromised | Inspect ECM power connections, fuses, and ground wires |
| E11 | Engine protection—output power reduced | Coolant temperature, oil pressure, or air filter issues | Check coolant temperature, oil pressure, and air filter |
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA122 | Intake air pressure high voltage | Intake pressure sensor malfunction or wiring fault | Verify the intake pressure sensor and wiring |
| CA123 | Intake air pressure low voltage | Sensor short or airflow restriction | Check for a sensor short or an airflow restriction |
| CA441 | Battery voltage too low | Alternator or battery failure; voltage regulator issue | Replace the alternator or battery; check the voltage regulator |
| CA442 | Battery voltage too high | Alternator or battery failure; voltage regulator issue | Replace the alternator or battery; check the voltage regulator |
| AA10NX | Air cleaner clogging | Blocked air filter element | Replace the air filter |
| B@BCNS | Engine coolant overheating | Radiator fins, fan belt, or coolant level issues | Check radiator fins, fan belt, and coolant level |
| B@HANS | Hydraulic oil overheating | Contaminated hydraulic oil or cooler fan failure | Change hydraulic filter and oil; check cooler fan |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PC10-7(S/N 25001-UP) attachments & work tools
Buckets
Standard digging bucket width is 430 mm (1'5") with a capacity of 0.07 cubic meters. Aftermarket options range from 12 inches to 42 inches in width, including digging, ditching, and root raking styles. Pin-on mounting is standard; quick coupler compatibility varies by configuration.
Hydraulic hammers
Compatible with the Komatsu JTHB08-3 breaker class. This unit is designed for mini excavators in the 2.68-ton weight class. The machine's standard hydraulic service valve can be retrofitted to support breaker operation.
Quick couplers
Aftermarket quick couplers are available for this model. The machine utilizes a standard hydraulic service valve that can be modified to support coupler operation and other attachments.
Thumbs/grapples
Hydraulic thumbs are available in pin-on and weld-on configurations. Mechanical thumbs are also offered. The unit is equipped with a standard hydraulic service valve that supports thumb operation.
Rippers
Compact rippers are available for penetrating compacted ground and frozen surfaces. The ripper mounts to the boom/stick assembly.
Hydraulic-kit notes
The machine is equipped with a standard hydraulic service valve that can be retrofitted to install a hydraulic breaker or other attachments. The engine is a Komatsu 3D78N-1B diesel delivering 20.7 horsepower at 2,500 RPM.
All PC10-7(S/N 25001-UP) assemblies by section
Every catalogued assembly group for the Komatsu PC10-7(S/N 25001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
3d74e-3a Engine S/N 00101-Up
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Air Intake Manifold And Air Cleaner
| YM***10 | Cap | 1 |
| YM***51 | Pipe,Suction | 1 |
| YM***80 | Bolt,Wing | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Alternator (20a)
| YM***00 | Stator Ass'Y | 1 |
| YM***10 | Bearing,Ball | 1 |
| YM***02 | Alternator A. (20a) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Alternator And Mounting (20a)
| YM***02 | Screw | 1 |
| YM***62 | Bolt,(For Shipping) | 1 |
| YM***52 | Screw | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Camshaft And Tappet
| YM***80 | Camshaft Ass'Y | 1 |
| YM***00 | Gear,Camshaft | 1 |
| YM***50 | Retainer, Bearing | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Crankshaft
| YM***80 | Bolt | 1 |
| YM***41 | Washer | 1 |
| YM***80 | Parallel Pin | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Cylinder Block
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
| YM***00 | Main Metal Ass'Y (Std) | 4 |
| YM***00 | Plug | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Cylinder Head
| YM***80 | Retainer, Spring | 6 |
| YM***00 | Bolt,Head | 14 |
| YM***10 | Valve,Exhaust | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Cylinder Head Cover
| YM***00 | Pipe,Breather | 1 |
| YM***50 | Cover Ass'Y,Head | 1 |
| YM***31 | Gasket,Plate (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Exhaust Manifold And Muffler
| YM***02 | Screw | 4 |
| YM***80 | Collar | 1 |
| YM***22 | Stud | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Flywheel And Flywheel Housing
| YM***20 | Bolt Plated | 3 |
| YM***90 | Flywheel Ass'Y | 1 |
| YM***20 | Parallel Pin | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Front Cover And Gear
| YM***22 | Retainer, Idle Gear | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***92 | Case,Gear | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Fuel Feed Pump And Mounting
| YM***02 | Screw | 2 |
| YM***20 | Feed Pump Ass'Y | 1 |
| YM***51 | Gasket (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Fuel Filter And Piping
| YM***20 | Fuel Filter Ass'Y | 1 |
| YM***40 | Lever | 1 |
| YM***00 | Bolt, Pipe Joint | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Fuel Injection Pump
| YM***00 | Valve W/Seat, Deliv | 3 |
| YM***00 | Washer,Spring | 2 |
| YM***00 | Washer | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***21 | Pipe,Injection? No.2 | 1 |
| YM***50 | Shim Ass'Y | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Fuel Nozzle And Spill Pipe
| YM***40 | Spacer, Valve Stop | 1 |
| YM***00 | Fuel Nozzle Ass'Y | 3 |
| YM***00 | Sleeve | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Gasket Kit
| YM***40 | O-Ring,Drain Plug | 1 |
| YM***11 | Gasket (Kit) | 1 |
| YM***10 | Gasket,Exhaust Manifold (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Governor Control
| YM***00 | Pin, Cotter | 1 |
| YM***00 | Retainer, Shaft | 1 |
| YM***30 | Screw,Adjust | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***02 | Bolt Plated | 3 |
| YM***60 | O-Ring (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Lubricating Oil Pump
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***91 | Pipe,Oil Inlet | 1 |
| YM***20 | O-Ring,Cylinder Head Cover Bolt | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Oil Pan
| YM***52 | Bolt Plated | 20 |
| YM***22 | Screw | 3 |
| YM***22 | Spacer | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Piston And Connecting Rod
| YM***00 | Piston Ring Ass'Y | 1 |
| YM***10 | Crank Pin Metal A.,0.25mm (Us) | 1 |
| YM***01 | Pin, Piston | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Rocker Arm
| YM***30 | Screw,Adjusting | 2 |
| YM***62 | Screw | 1 |
| YM***02 | Nut | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Safety Relay? Current Limiter? Charge Indicator? Grow Relay And Timer
| YM***21 | Indicator, Charging | 1 |
| YM***20 | Timer,Solenoid | 1 |
| YM***10 | Relay,Stop Solenoid | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Starting Motor
| YM***01 | Washer,Spring | 1 |
| YM***20 | Cover | 1 |
| YM***51 | Nut | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Starting Motor And Mounting
| YM***52 | Bolt Plated | 2 |
| (Y***1) | Starting Motor Ass'Y,(See Fig.A6210-B0a1) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Tool
| YM***60 | Wrench,Fuel Filter? Water Separator | 1 |
| YM***50 | Screw Driver | 1 |
| YM***51 | Wrench,(For Engine Oil Filter) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Water Pump And Cooling Fan
| YM***20 | O-Ring | 1 |
| YM***02 | Bolt Plated | 2 |
| YM***02 | Screw | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d74e-3a Engine S/N 00101-Up : Water Separator
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
3d78n-1b Engine S/N 00188-Up
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Air Cleaner And Mounting
| YM***41 | Buffle | 1 |
| YM***10 | Support | 1 |
| YM***80 | Seat,Rubber | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Air Intake Manifold And Connection
| YM***01 | Heater,Intake Air | 1 |
| YM***52 | Screw | 4 |
| YM***00 | Clamp | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Alternator (20a)
| YM***00 | Stator Ass'Y | 1 |
| YM***10 | Bearing,Ball | 1 |
| YM***02 | Alternator A. (20a) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Alternator And Mounting (20a)
| YM***70 | Stud | 1 |
| YM***02 | Nut | 1 |
| YM***52 | Screw | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Camshaft And Tappet
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***00 | Rod,Push | 6 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***00 | Crankshaft Ass'Y | 1 |
| YM***50 | Pulley,Crank | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Cylinder Block
| YM***00 | Gauge, Oil Level | 1 |
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
| YM***00 | Plug | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Cylinder Head
| YM***00 | Cylinder Head Ass'Y | 1 |
| YM***80 | Retainer, Spring | 6 |
| YM***00 | Guide,Valve? Exhaust | 6 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***50 | Cover Ass'Y,Head | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Engine Stop Motor And Mounting
| YM***80 | Ring,Snap | 1 |
| YM***00 | Pin,Cotter | 1 |
| YM***60 | Hose,Breather | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Exhaust Manifold And Muffler
| YM***80 | Collar | 1 |
| YM***22 | Stud | 4 |
| YM***10 | Gasket,Exhaust Manifold | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Flywheel And Flywheel Housing
| YM***80 | Seal? Rear | 1 |
| YM***02 | Screw | 6 |
| YM***02 | Screw | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Front Cover And Gear
| YM***02 | Bolt Plated | 2 |
| YM***10 | Washer,Seal | 5 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Fuel Filter And Piping
| YM***70 | Union | 1 |
| YM***40 | Lever | 1 |
| YM***00 | O-Ring (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Fuel Injection Pump (Governor) (1/2)
| YM***02 | Lever Ass'Y,Stop | 1 |
| YM***10 | Pin,Stop Lever | 1 |
| YM***00 | O-Ring (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Fuel Injection Pump (Governor) (2/2)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***90 | Shaft,Governor Lever | 1 |
| YM***16 | Pin,Spring | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Fuel Injection Pump (Pump) (1/2)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Fuel Injection Pump (Pump) (2/2)
| YM***70 | Retainer, Spring | 3 |
| YM***00 | Plunger Ass'Y | 3 |
| YM***02 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***20 | Pipe,Injection? No.2 | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Fuel Nozzle And Spill Pipe
| YM***20 | Spring | 1 |
| YM***00 | Fuel Nozzle Ass'Y | 3 |
| YM***50 | Nozzle, Assembly | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Gasket Kit
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***10 | Gasket,Exhaust Manifold | 1 |
| YM***11 | Gasket (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***02 | Bolt Plated | 3 |
| YM***50 | Cartridge,Engine | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Lubricating Oil Pump And Piping
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***00 | Oil Pump Ass'Y | 1 |
| YM***41 | Gasket (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Oil Pan
| YM***50 | O-Ring | 1 |
| YM***40 | O-Ring,Drain Plug | 1 |
| YM***62 | Bolt | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Piston And Connecting Rod
| YM***00 | Pin,Piston | 3 |
| YM***00 | Piston Ass'Y | 3 |
| YM***00 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Rocker Arm
| YM***50 | Rocker Arm Ass'Y | 6 |
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Safety Relay And Ribbon Heater Timer
| YM***21 | Indicator, Charging | 1 |
| YM***11 | Limiter, Current | 1 |
| YM***00 | Relay, Safety | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Starting Motor
| YM***02 | Bearing,Ball | 1 |
| YM***04 | Seal Kit | 1 |
| YM***07 | Armature Ass'Y | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Starting Motor And Mounting
| YM***52 | Bolt Plated | 2 |
| (Y***1) | Starting Motor Ass'Y,(See Fig.0661) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Tool
| YM***60 | Wrench,Fuel Filter? Water Separator | 1 |
| YM***50 | Screw Driver | 1 |
| YM***50 | Wrench,Engine Oil Filter | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Water Pump And Cooling Fan
| YM***02 | Bolt Plated | 2 |
| YM***20 | O-Ring,(Not Shown) | 1 |
| YM***11 | Gasket (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : 3d78n-1b Engine S/N 00188-Up : Water Separator
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
Accessory
Komatsu : Pc10-7(S/N 25001-Up) : Accessory : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***22 | Nozzle, Grease Pump | 1 |
Cooling System
Komatsu : Pc10-7(S/N 25001-Up) : Cooling System : Radiator And Piping(#25001-27776)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Cooling System : Radiator And Piping(#27777-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Cooling System : Reserve Tank And Piping
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Electrical System
Komatsu : Pc10-7(S/N 25001-Up) : Electrical System : Battery
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
| 01***08 | Washer,(For Mounting First Aid Kit) | 2 |
| 08***07 | Battery (65d26r),(Wet Type) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Electrical System : Electrical System (Engine? Horn And Sensor Line)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Electrical System : Electrical System (Instrument Panel Line)(#25001-27776)
| 01***16 | Screw | 2 |
| 01***20 | Screw | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Electrical System : Electrical System (Instrument Panel Line)(#27777-)
| 01***12 | Bolt | 1 |
| 01***16 | Screw | 2 |
| 01***20 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Electrical System : Electrical System (Wiper Motor Line) (For Cab)(#25001-27776)
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
| 08***10 | Clip,See Fig. K4010-06a0 | 3 |
| 20***20 | Spacer | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Electrical System : Electrical System (Wiper Motor Line) (For Cab)(#27777-)
| 20***20 | Spacer | 1 |
| 20***10 | Plate | 1 |
| 20***21 | Wiring Harness | 1 |
Engine Related Parts
Komatsu : Pc10-7(S/N 25001-Up) : Engine Related Parts : Engine Mounting Parts
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : Pc10-7(S/N 25001-Up) : Engine Related Parts : Engine Related Parts(#25001-27776)
| 01***60 | Bolt,(For Japan And Sweden) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Engine Related Parts : Engine Related Parts(#27777-)
| 01***60 | Bolt,(For Japan And Sweden) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Engine Related Parts : Fuel Control Lever And Linkage(#25001-27776)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Engine Related Parts : Fuel Control Lever And Linkage(#27777-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Engine Related Parts : Power Take Off
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Fuel Tank And Related Parts
Komatsu : Pc10-7(S/N 25001-Up) : Fuel Tank And Related Parts : Fuel Piping
| 01***65 | Bolt,R.H | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Fuel Tank And Related Parts : Fuel Tank
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***10 | Screw | 5 |
| 01***08 | Washer | 5 |
Guard
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Battery Cover And Tank Cover
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Counter Weight
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***70 | Bolt,Rear Carrier (With Gumpad) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 6 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Counter Weight (For Breaker Arm)(#27777-)
| 01***40 | Bolt,(With Service Valve R.H.) | 3 |
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***70 | Bolt,Rear Carrier (With Gumpad) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Counter Weight (For Rear Protector)
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***70 | Bolt,Rear Carrier (With Gumpad) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 6 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Engine Hood (1/3)(#25001-27776)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Engine Hood (1/3)(#27777-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Engine Hood (2/3)(#25001-27776)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Engine Hood (2/3)(#27777-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Engine Hood (3/3)(#25001-27776)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Engine Hood (3/3)(#27777-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***12 | Washer,(With Body Positioner) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Guard : Rear Protector
| 01***95 | Bolt,Rear | 2 |
| 01***35 | Screw | 8 |
| 01***35 | Screw | 6 |
Hydraulic System
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : E.P.C. Valve (Inner Parts)(#27777-)
| 07***23 | O-Ring,(F4320-61a0 -29 ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
| 20***21 | Solenoid Valve Ass'Y | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(1/2)(#25001-27776)
| 01***10 | Bolt | 4 |
| 01***16 | Bolt (Op) | 4 |
| 01***20 | Bolt (Itl) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(1/2)(#27777-)
| 01***10 | Bolt | 2 |
| 01***16 | Bolt (Op) | 2 |
| 01***20 | Bolt (Itl) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(2/2)(#25001-27776)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(2/2)(#27777-)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (3-Spool) (1/2) (For Power Tilt Mechanical Angle Blade)
| 01***10 | Bolt | 6 |
| 01***16 | Bolt (Op) | 6 |
| 01***20 | Bolt (Itl) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (3-Spool) (2/2) (For Rower Tilt Mechanical Angle Blade)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(1/3)(#25001-27776)
| 01***10 | Bolt | 6 |
| 01***16 | Bolt (Op) | 4 |
| 01***20 | Bolt (Itl) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(1/3)(#27777-)
| 01***10 | Bolt | 4 |
| 01***16 | Bolt (Op) | 4 |
| 01***20 | Bolt (Itl) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(2/3)(#25001-27776)
| 01***10 | Bolt | 6 |
| 01***16 | Bolt (Op) | 8 |
| 01***18 | Bolt, Mount Cover | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(2/3)(#27777-)
| 01***10 | Bolt | 2 |
| 01***16 | Bolt (Op) | 4 |
| 01***18 | Bolt, Mount Cover | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(3/3)(#25001-27776)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(3/3)(#27777-)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Arm And Bucket Cylinder Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
| 08***36 | Band,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Blade Cylinder Line) (Upper)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***60 | Elbow | 2 |
| 20***60 | Nipple,(For 20p-62-72566 Hose) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Blade Cylinder Line) (Upper) (For Power Tilt Mechanical Angle Blade)(#25001-27776)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
| 20***60 | Hose | 1 |
| 20***60 | Elbow | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Boom Cylinder Line)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***30 | Nipple | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Boom Swing Cylinder Line)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 07***10 | Elbow,(For Long Lever Control) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Drain Line)(#25001-25928)
| 07***11 | Plug, Plug,(Without Bypass Hose) | 1 |
| 07***12 | Sleeve,(For Long Lever Control) | 2 |
| 07***14 | Nut,(For Long Lever Control) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Drain Line)(#25929-27776)
| 07***11 | Plug, Plug,(Without Bypass Hose) | 1 |
| 07***12 | Sleeve,(For Long Lever Control) | 2 |
| 07***14 | Nut,(For Long Lever Control) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Drain Line)(#27777-)
| 07***34 | O-Ring,(For Without Brake Assistor) | 1 |
| 07***12 | Sleeve,(For Long Lever Control) | 4 |
| 07***14 | Nut,(For Long Lever Control) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (For Attachment Piping Line) (Boom Side)(#25001-27776)
| 01***35 | Bolt,(Without Auto Priming System) | 12 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (For Attachment Piping Line) (Chassis Side)(#25001-27776)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***00 | Valve Ass'Y,3-Way | 1 |
| 20***40 | Nipple | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Oil Cooler And Return Line) (For Attachment Piping)(#25001-27776)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***45 | Hose, Drain | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Oil Cooler And Return Line)(#25001-27776)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***45 | Hose, Drain | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Oil Cooler And Return Line)(#27777-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***07 | Hose | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Suction Line)(#25001-27776)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***30 | Bolt,(For Mechanical Governor) | 25 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Suction Line)(#27777-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***30 | Bolt,(For Mechanical Governor) | 13 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Swing Motor Line)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
| 07***18 | O-Ring, Divider Valve Mounting | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Travel Motor Line) (Upper)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Piping (Travel Motor Line) (Upper) (For Power Tilt Mechanicnical Angle Blade)(#25001-27776)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Pump (1/3) (Except Japan)(#25001-27776)
| 01***70 | Bolt | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Pump (1/4) (Except Japan)(#27777-)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 04***15 | Ring, Snap | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Pump (2/3) (Except Japan)(#25001-27776)
| 01***23 | Washer,(For Shipping) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 70***60 | Seal,Ring | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Pump (2/4) (Except Japan)(#27777-)
| 01***23 | Washer,(For Shipping) | 8 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Pump (3/3) (Except Japan)(#25001-27776)
| 01***23 | Washer,(For Shipping) | 8 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 07***21 | O-Ring,Water Piping | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Pump (3/4) (Except Japan)(#27777-)
| 01***23 | Washer,(For Shipping) | 4 |
| 70***60 | Seal,Ring | 1 |
| 70***60 | Seal, Ring | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Pump (4/4) (Except Japan)(#27777-)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 2 |
| 70***60 | Seal, Ring | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Tank(#25001-27776)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Hydraulic Tank(#27777-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : P.P.C. Line (1/4)(#27777-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : P.P.C. Line (2/4)(#27777-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 8 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : P.P.C. Line (3/4)(#27777-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 8 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : P.P.C. Line (4/4) (For Multple Pattern)(#27777-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 8 |
| 08***36 | Band,(For 2nd Travel Speed) (Op) | 8 |
| 20***50 | Hose | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : P.P.C. Line (4/4)(#27777-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 8 |
| 08***36 | Band,(For 2nd Travel Speed) (Op) | 4 |
| 20***70 | Sheet | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : P.P.C. Line (Elbow) (For Multple Pattern)(#27777-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 16 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : P.P.C. Valve (Work Equipment) (Inner Parts)(#27777-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Select Valve (For Multple Pattern)(#27777-)
| 01***25 | Bolt,(For Automatic) | 2 |
| 01***16 | Bolt (Op) | 18 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Hydraulic System : Suction Valve (For Slide Arm)(#27777-)
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
| 70***00 | Valve Ass'Y,Suction | 1 |
Main/Revolving Frame And Related Parts
Komatsu : Pc10-7(S/N 25001-Up) : Main/Revolving Frame And Related Parts : Boom Swing Bracket
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Main/Revolving Frame And Related Parts : Boom Swing Cylinder
| 01***24 | Nut,Bearing | 1 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
| 07***75 | O-Ring,Cylinder Head | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Main/Revolving Frame And Related Parts : Revolving Frame
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
Marks And Plates
Komatsu : Pc10-7(S/N 25001-Up) : Marks And Plates : Marks And Plates (English) (For Cab)(#25001-26598)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Marks And Plates : Marks And Plates (English) (For Cab)(#26599-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Marks And Plates : Marks And Plates (English) (For Canopy)(#25001-26598)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Marks And Plates : Marks And Plates (English) (For Canopy)(#26599-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Operator'S Compartment And Control System
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Am Radio
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***10 | Screw,(For Wiper Switch Earth) | 2 |
| 01***08 | Washer,(For Fixed Type Ripper) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Antenna And Speaker
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
| 01***08 | Washer,(For Fixed Type Ripper) | 2 |
| 08***01 | Clip,(With Cab) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Ashtray (For Cab)
| 01***16 | Screw | 2 |
| 20***80 | Ashtray | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Attachment Pedal And Linkage(#27777-)
| 01***30 | Bolt,Stopper | 2 |
| 01***16 | Screw | 2 |
| 01***16 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage (For Power Tilt Mechanical Angle Blade)(#25001-27776)
| 01***30 | Bolt,(For Mechanical Governor) | 3 |
| 01***06 | Nut,L.H. Thread (For Russian) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage(#25001-27776)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***06 | Nut,L.H. Thread (For Russian) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage(#27777-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***50 | Bolt,(With Service Valve R.H.) | 3 |
| 01***06 | Nut,L.H. Thread (For Russian) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Boom Swing Pedal And Linkage(#25001-27776)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***25 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Boom Swing Pedal And Linkage(#27777-)
| 01***30 | Bolt,Stopper | 2 |
| 01***16 | Screw | 2 |
| 01***16 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Canopy
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Canopy (With Rain Guard)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Car Heater And Piping (For Cab)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***12 | Bolt,(With Speedometer) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Engine Revolution Control Stopper (For Breaker Arm)(#27777-)
| 01***20 | Bolt,See Fig. K4010-11a0 | 3 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
| 20***57 | Cover | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Floor Frame (For Cab)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
| 08***12 | Grommet,(Not Used For Cab Spec.) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Floor Frame (For Canopy)(#25001-27776)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
| 08***12 | Grommet,(Not Used For Cab Spec.) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Floor Frame (For Canopy)(#27777-)
| 01***65 | Bolt | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Cab)
| 01***16 | Bolt, Mount Solenoid Valve | 10 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Canopy)(#25001-27776)
| 01***16 | Bolt, Mount Solenoid Valve | 12 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Canopy)(#27777-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 20 |
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Instrument Panel (For Cab)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
| 20***31 | Bracket | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Instrument Panel (For Canopy)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
| 20***31 | Bracket | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Monitor Panel (For Cab)
| 78***00 | Monitor Ass'Y | 1 |
| 78***01 | Monitor Ass'Y | 1 |
| 78***00 | Panel | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Monitor Panel (For Canopy)
| 78***00 | Panel | 1 |
| 78***10 | Switch,(For Light And Heater) | 1 |
| 78***20 | Cap | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Operator'S Cab (1/6) (Cab)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 6 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Operator'S Cab (2/6) (Front Window)
| 01***16 | Screw | 4 |
| 01***20 | Screw,(Australia Spec.) | 2 |
| 01***12 | Screw,(Not Shown) (For Std Cab) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Operator'S Cab (3/6) (Upper And R.H. Side Window)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***05 | Washer,(Without Window Washer) | 2 |
| 09***08 | Cap,(For Ripper Or Rear Hydraulic. Take) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Operator'S Cab (5/6) (Door 1/2)
| 20***70 | Door Ass'Y | 1 |
| 20***11 | Door | 1 |
| 20***20 | Glass | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Operator'S Cab (6/6) (Door 2/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***10 | Screw | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Operator'S Cab(4/6)(Rear? L.H. Side Window And Inside Cover)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***10 | Screw,(For Wiper Switch Earth) | 2 |
| 01***12 | Screw,(With Articulate Indicator) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Operator'S Seat
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 20***10 | Arm Rest | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Panel Box
| 01***20 | Screw | 2 |
| 01***50 | Bolt,(Tm8072-089) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Panel Box (For Attachment Piping)(#25001-27776)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***20 | Screw | 2 |
| 01***50 | Bolt,(Tm8072-089) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Swing Control Linkage(#25001-27776)
| 01***25 | Bolt,Without Revolution Sensor | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Travel Control Lever(#25001-27776)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Screw | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Travel Control Lever(#27777-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***06 | Nut,L.H. Thread (For Russian) | 2 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Travel Control Linkage(#25001-27776)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Travel Control Linkage(#27777-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Screw | 2 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Window Washer (For Cab)
| 08***01 | Clip,(With Cab) | 3 |
| 20***20 | Nozzle Ass'Y | 1 |
| 20***70 | Hose | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever (Except Japan)(#25001-27776)
| 01***06 | Nut,L.H. Thread (For Russian) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever (Komatsu Pattern)(#27777-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 4 |
| 01***11 | Nut - Mounting | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Work Equipment Control Linkage(#25001-27776)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,Without Revolution Sensor | 5 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Work Equipment Lock Lever(#25001-27776)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***26 | Washer,Plain | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Operator'S Compartment And Control System : Work Equipment Lock Lever(#27777-)
| 01***12 | Bolt | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***08 | Washer,(For Fixed Type Ripper) | 1 |
Parts Book
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Blade(#27777-)
| 07***04 | Bushing | 2 |
| 20***05 | Blade Ass'Y Paint(1) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Breaker(#27777-)
| 20***60 | Chisel | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Bucket (Width 320mm And 420mm)(#27777-)
| 20***60 | Adapter (Welded) | 3 |
| 20***70 | Tooth | 3 |
| 20***81 | Pin | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Bucket (Width 500mm And 600mm)(#27777-)
| 20***06 | Bucket Ass'Y Paint(1) | 1 |
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Power Tilt Mechanical Angle Blade(#27777-)
| 20***12 | Blade Paint(1) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Reinforced Bucket? 0.07m3 (Mini 0.11m3) Width 500mm(#27777-)
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Track Shoe (Double Grouser With Hole)(#27777-)
| 20***61 | Track Shoe Ass'Y | 1 |
| 20***81 | Track Shoe Ass'Y | 1 |
| 20***01 | Track Shoe Ass'Y | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Parts Book : Track Shoe (Rubber Shoe)(#27777-)
| 20***16 | Shoe,Rubber | 2 |
Service Kit And Component Parts
Komatsu : Pc10-7(S/N 25001-Up) : Service Kit And Component Parts : Kit
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 3 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 2 |
Swing Circle And Related Parts
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swing Circle
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 13 |
| 01***60 | Bolt, Tube To Oil Cooler | 16 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 13 |
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swing Motor(#25001-27776)
| 01***40 | Bolt,(Tm8072-123) | 4 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 4 |
| 20***30 | Valve | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swing Motor(#27777-)
| 07***08 | Plug | 1 |
| 20***40 | Bearing | 1 |
| 20***50 | Ring,Retainer | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swivel Joint (For Power Tilt Mechanical Angle Blade)(#25001-26142)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swivel Joint (For Power Tilt Mechanical Angle Blade)(#26143-)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swivel Joint(#25001-26142)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swivel Joint(#26143-27776)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Swing Circle And Related Parts : Swivel Joint(#27777-)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 8 |
Travel And Lower Piping
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Lower Piping(#25001-27776)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Lower Piping(#27777-)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Sprocket
| 01***30 | Bolt,(Not Used With Emergency Str.) | 34 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 34 |
| 20***10 | Sprocket | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Travel Motor (1/2)(#25001-27776)
| 04***20 | Spring Pin | 7 |
| 04***12 | Ring, Snap (4) | 7 |
| 04***15 | Ring, Snap | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Travel Motor (1/3)(#27777-)
| 10***30 | O-Ring | 1 |
| 17***11 | Ring,Floating Seal | 1 |
| 20***40 | Ring,Snap | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Travel Motor (2/2)(#25001-27776)
| 01***20 | Screw | 6 |
| 04***16 | Pin | 1 |
| 04***12 | Pin,Spring (See Fig.0201) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Travel Motor (2/3)(#27777-)
| 06***04 | Bearing,Ball | 1 |
| 20***40 | Shaft | 1 |
| 20***50 | Plate,Swash | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Travel And Lower Piping : Travel Motor (3/3)(#27777-)
| 01***25 | Bolt,See Fig. K4010-65a0 | 7 |
| 20***30 | Pin | 1 |
| 20***00 | Body 1 Kit | 1 |
Under Carriage
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Carrier Roller
| 01***85 | Bolt,(For Perforated Mask) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 04***12 | Ring, Snap (4) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Carrier Roller (For Rubber Shoe)(#25001-27776)
| 01***85 | Bolt,(For Perforated Mask) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 04***12 | Ring, Snap (4) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Front Idler
| 01***45 | Capscrew - M10 X 1.25 | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***28 | O-Ring, Strainer To Control Pump Line | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Recoil Spring (For Steel Shoe)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***60 | Bolt, Tube To Oil Cooler | 8 |
| 01***26 | Nut | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Track Frame (For Steel Shoe)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Track Roller (For Rubber Shoe)(#25001-27776)
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 12 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 12 |
| 07***21 | O-Ring,Water Piping | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Track Roller(#25001-27776)
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 12 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 12 |
| 07***21 | O-Ring,Water Piping | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Track Roller(#27777-)
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 16 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 16 |
| 07***21 | O-Ring,Water Piping | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Track Shoe (Double Grouser With Hole)
| 20***61 | Track Shoe Ass'Y | 1 |
| 20***81 | Track Shoe Ass'Y | 1 |
| 20***01 | Track Shoe Ass'Y | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Under Carriage : Track Shoe (For Rubber Shoe)
| 20***02 | Shoe,Rubber | 2 |
| 20***16 | Shoe,Rubber | 2 |
| 20***00 | Shoe,Rubber | 2 |
Work Equipment
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Arm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Arm Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***24 | Nut,Bearing | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Attachment Hydraulic Piping (For Breaker Arm) (Boom Side)(#27777-)
| 01***35 | Bolt,(For Position Fixing) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Attachment Hydraulic Piping (For Breaker Arm) (Chassis Side)(#27777-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
| 20***30 | Elbow | 1 |
| 20***40 | Hose | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Blade
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Blade Lift Cylinder
| 01***22 | Nut,(North America Spec.) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***70 | O-Ring (Kit) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Blade Tilt Cylinder (For Power Tilt Mechanical Angle Blade)
| 01***24 | Nut,Bearing | 1 |
| 04***25 | Ring,Snap (Kit) | 4 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Boom
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Boom (For Attachment Piping)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Boom Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Boom Cylinder (For Cab)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Breaker (Inner Parts)(#27777-)
| 07***00 | O-Ring,Grease | 1 |
| 07***03 | Bushing | 4 |
| 07***30 | Seal,Dust (Kit) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Breaker Accessary(#27777-)
| 20***11 | Bracket,(Dummy Link) | 1 |
| 20***60 | Chisel | 1 |
| 20***70 | Dummy Chisel | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Breaker Arm(#27777-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***80 | Bolt | 3 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 6 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket Link
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***75 | Bolt,(For Adjusting) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket Link And Pin (For Breaker Arm)(#27777-)
| 01***75 | Bolt,(For Adjusting) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.03m3 (Mini 0.05m3) 320mm(#25001-27776)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 6 |
| 09***14 | Nut | 6 |
| 10***11 | Tooth (Op) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.03m3 (Mini 0.05m3) 320mm(#27777-)
| 20***60 | Adapter (Welded) | 3 |
| 20***70 | Tooth | 3 |
| 20***81 | Pin | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.04m3 (Mini 0.07m3) 420mm(#25001-27776)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 6 |
| 09***14 | Nut | 6 |
| 10***11 | Tooth (Op) | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.04m3 (Mini 0.07m3) 420mm(#27777-)
| 20***60 | Adapter (Welded) | 3 |
| 20***70 | Tooth | 3 |
| 20***81 | Pin | 3 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.07m3 (Mini 0.11m3) 500mm(#25001-27776)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 09***14 | Nut | 8 |
| 10***11 | Tooth (Op) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.07m3 (Mini 0.11m3) 500mm(#27777-)
| 20***06 | Bucket Ass'Y Paint(1) | 1 |
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.08m3 (Mini 0.12m3) 600mm(#25001-27776)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 09***14 | Nut | 8 |
| 10***11 | Tooth (Op) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Bucket? 0.08m3 (Mini 0.12m3) 600mm(#27777-)
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
| 20***81 | Pin | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Chisel Holder(#27777-)
| 01***35 | Bolt, Mount Bracket To Floor | 3 |
| 04***14 | Rivet | 2 |
| 20***12 | Holder | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Hydraulic Piping (Arm And Bucket Cylinder Line)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Hydraulic Piping (Blade Cylinder Line) (Lower)
| 20***90 | Hose | 1 |
| 20***11 | Hose | 1 |
| 20***80 | Elbow | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Hydraulic Piping (Blade Cylinder Line) (Lower) (For Power Tilt Mechanical Angle Blade)
| 17***10 | Grommet | 2 |
| 20***60 | Elbow | 2 |
| 20***80 | Elbow | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Long Arm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Power Tilt Mechanical Angle Blade (1/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Power Tilt Mechanical Angle Blade (2/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Reinforced Bucket? 0.07m3 (Mini 0.11m3) 500mm(#25001-27776)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 09***14 | Nut | 8 |
| 10***11 | Tooth (Op) | 4 |
Komatsu : Pc10-7(S/N 25001-Up) : Work Equipment : Reinforced Bucket? 0.07m3 (Mini 0.11m3) 500mm(#27777-)
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
PC10-7(S/N 25001-UP) serial number reference
The serial plate is located on the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. The prefix is the leading numeric sequence of the serial number stamped on this plate.
| Prefix | Identifies | Notes |
|---|---|---|
| 25001-UP | Standard | Serial range for the PC10-7 family. No specific 3-character PIN prefixes are documented for this specific serial block in the provided sources; the model designation PC10-7 identifies the generation. |
Frequently asked questions
What engine does the PC10-7(S/N 25001-UP) use?
The PC10-7(S/N 25001-UP) uses a Komatsu 3D78N-1B diesel engine delivering 20.7 horsepower at 2,500 RPM.
What is the operating weight of the PC10-7(S/N 25001-UP)?
Operating weight varies by configuration: 2,210 kg (4,873 lb) for rubber track models and 2,250 kg (4,961 lb) for steel track models.
What model replaced the PC10-7?
The PC10-8 series replaced the PC10-7 in Komatsu's compact excavator lineup.
What PC10-7(S/N 25001-UP) owners discuss
What engine powers the Komatsu PC10-7(S/N 25001-UP) and what are its output specifications?
The machine is equipped with a Komatsu 3D78N-1B diesel engine. It delivers 20.7 horsepower at 2,500 RPM. Some sources identify the engine as Yanmar-manufactured but retaining the Komatsu 3D78N-1B designation. Operating weight for this configuration is approximately 4,900 pounds (2,210 kg). varies by configuration/series
What are the common hydraulic behaviors and failure modes for this series?
Owners report that hydraulics often work when cold but become weak as the oil warms, indicating internal leakage in pumps, control valves, or cylinders. A common issue is the inability to perform two functions simultaneously, suggesting a priority valve or main pump flow restriction. Slow or weak movement in the working device, walking, or turning is frequently traced to unadjusted or damaged PC valves. Hydraulic noise or cavitation is typically caused by low oil levels or suction-side restrictions.
What undercarriage and wear patterns are typical for mini excavators of this era?
Typical wear includes pin and bushing clearance in the undercarriage components. Track tension must be monitored closely, as tracks that repeatedly loosen indicate issues with the tensioner or excessive component wear. Machines may drift or pull to one side if track tension is uneven or if debris is packed into the undercarriage. Rollers and track-chain condition should be inspected for binding or excessive wear that affects straight tracking.
What are the known engine quirks and starting issues for the PC10-7?
Engine performance issues dominate serious problem reports, including loss of power under load, increased fuel usage, and overheating. Airflow restrictions in the air filter, fuel filters, or charge-air hoses are primary suspects. A specific quirk involves the fuel shut-off solenoid; if the machine runs out of fuel, sediment from the tank bottom can enter the system, causing the first cylinder injector pump plunger to misalign. Engines may struggle under digging load if the fuel tank vent is blocked or if air enters the fuel supply.
What electrical and sensor issues are commonly reported?
Komatsu excavators of this generation rely on electronic control systems where a single faulty sensor or unstable power supply can trigger multiple warning signals. Owners report intermittent starting, dashboard failures, and random machine shutdowns. Multiple fault codes often point to battery state of charge, engine/chassis ground integrity, or connector corrosion. A battery may show acceptable voltage until the starter is loaded; voltage collapse during starting requires a load test before replacing the starter.
What specific items should be checked when buying a used PC10-7(S/N 25001-UP)?
Verify the exact serial prefix and engine code, as configurations vary. Check for white smoke after running out of fuel, which indicates injector pump alignment issues. Test hydraulic function speed when cold versus when hot to detect internal leakage. Inspect the undercarriage for pin/bushing wear and track tension. Confirm the operation of the fuel shut-off solenoid and check for sediment contamination in the fuel system. Verify the integrity of the cooling package, including spaces between the radiator, hydraulic oil cooler, and charge-air cooler.
What safety-critical fix requires dealer verification?
If the machine exhibits sudden derating or specific engine/aftertreatment warning codes, the exact warning and codes must be diagnosed by a dealer. Have your dealer verify the engine control module data and aftertreatment system status to rule out critical emissions or safety interlocks.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu PC10-7(S/N 25001-UP). Related factory variants of the same model family:
PC10-7(S/N F25001-Up)
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