Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PC10-6(S/N 20001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC10-6 (S/N 20001-UP) is a compact, tail-swing mini excavator built for confined-space work: interior demolition, utility trenching, and landscape jobs where a full-size machine can't fit. It sits in Komatsu's smallest hydraulic excavator class, with an operating weight in the roughly 2.1-2.3 t range depending on bucket, canopy or cab, and blade configuration. Power comes from Komatsu's own 3D75-2D, a 3-cylinder, naturally aspirated diesel of about 0.994 L displacement producing roughly 14 kW (18-19 HP) at 2600 rpm - a simple mechanical engine with no electronic controller. Built through the 1989-1996 era, the PC10-6 continued a direct product line running from the earlier PC10-2 and PC10-3 (3D75-1A engine) through the PC10-5 (3D75-2C) before it, and was eventually succeeded by the PC10-7. Komatsu offered the PC10-6 with an open canopy or optional mini-cab, a choice of bucket widths, and both bladed and blade-less undercarriage configurations to suit different jobsite needs.
Across the PC10 line, Komatsu's running changes were mostly incremental: engine suffix updates from 1A to 2C to 2D refined fuel delivery and durability rather than changing displacement or basic architecture, and the hydraulic circuit and boom/arm geometry carried over largely unchanged between the -5 and -6 variants. The PC10-7 that followed marked a bigger break, moving to a different engine family and a noticeably different operating class, so PC10-6 parts and service data should not be assumed to carry over to it. On the used and parts market today, the PC10-6 stays in demand as a compact, mechanically simple machine that rental fleets and landscaping outfits keep running well past typical hour counts, precisely because its non-electronic engine and basic hydraulics are inexpensive to service, and undercarriage, final drive, and seal parts remain easy to source compared with newer, ECM-equipped mini excavators.
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 PC10-6(S/N 20001-UP) specifications
Engine
| Engine model | Komatsu 3D75-2D, 3-cylinder inline diesel |
| Displacement / bore x stroke | 0.994 L (60.7 cu in); 75 x 75 mm bore x stroke |
| Gross power (flywheel) | 14 kW / 17.8-19 HP at 2,600 rpm (varies by configuration/series) |
| Emissions tier | Pre-emissions-regulation mechanical diesel; no tier rating published for this 1989-1996 production range |
Weights
| Operating weight | 2,100-2,255 kg (4,630-4,970 lb); range reflects normal specification variance and attachment (blade) configuration, not a distinct sub-model |
| Ground pressure | Not documented for this serial range — verify with your dealer |
| Transport weight | Not separately published; shipping weight tracks operating weight |
Dimensions
| Overall transport length | 4,000-4,240 mm (13'2"-13'11") |
| Overall width | 1,400 mm (4'7") |
| Overall height | 2,283-2,380 mm (7'6"-7'10") |
| Track shoe width | 250 mm (9.8 in) standard; a 300 mm shoe is also referenced on some units |
| Undercarriage / track-on-ground length | 1,820 mm (6'0") |
| Bucket width / capacity | 280-440 mm depending on bucket fitted; standard bucket capacity approx. 0.085 m3 (3.0 cu ft) |
| Tail swing radius / ground clearance | Not documented for this model — verify with your dealer |
Performance
| Max digging depth | 2,310 mm (7'7") |
| Max reach at ground level | 4,235 mm (13'11") |
| Max digging (dump) height | 4,470 mm (14'8") |
| Swing speed | 9.3 rpm |
| Travel speed | 2.0 km/h (1.2 mph) |
| Gradeability / drawbar pull | Not documented for this model — verify with your dealer |
Forces
| Bucket digging force | Not documented for this model in available factory or dealer literature |
| Arm (stick) digging force | Not documented for this model in available factory or dealer literature |
Service capacities (summary)
| Fuel tank | Not documented for this serial range — verify with your dealer |
| Hydraulic system / tank | Not documented for this serial range — verify with your dealer |
| Engine oil | Not documented for this serial range — verify with your dealer |
| Cooling system | Not documented for this serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
PC10-6(S/N 20001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not published in accessible sources for this serial range. The PC10-6 (S/N 20001-UP) runs the small Komatsu 3D75-2 series diesel (listed variously as 3D75-2C/3D75-2D depending on source); crankcase fill for this engine family typically runs in the 3-4 L (0.8-1.1 US gal) class on comparable mini-excavator installs, but confirm against the nameplate dipstick range or dealer before servicing. | Komatsu genuine engine oil (EO), API CD/CE-class diesel oil. Use 10W-30 in cold climates and 15W-40 in temperate to warm climates per Komatsu's standard viscosity-by-ambient-temperature guidance for this engine class. |
| Cooling system | Not published in accessible sources for this serial range. Verify against the radiator fill mark; this class of 1-ton mini excavator typically carries a small system in the low single-digit liter range. | Komatsu genuine antifreeze coolant (AF-type permanent ethylene-glycol coolant), mixed to the ratio specified for the expected ambient low temperature. |
| Fuel tank | Not published in accessible sources for this serial range. Refer to the OMM specification page or fuel gauge/filler marking on the machine. | Diesel fuel, per Komatsu's standard fuel-grade guidance (low-sulfur diesel meeting the applicable regional spec for the model year). |
| Hydraulic system total and hydraulic tank | Not published in accessible sources for this serial range. Service fill level is set to the sight-gauge mark on the hydraulic tank; total system volume including cylinders and lines is not documented in the sources checked. | Komatsu genuine hydraulic oil (HO), grade selected by ambient operating temperature per Komatsu's standard hydraulic-oil viscosity chart (lighter grade for cold climates, heavier for hot climates). |
| Final drive (each) | Not published in accessible sources for this serial range. The PC10-6 travel/final-drive motor assembly is shared across the PC10-6/PC10-7/PC12UU-1/PC15-2 mini-excavator family; fill volume is small (well under 1 L per side) but the exact figure is not documented in the sources checked. | Komatsu genuine gear oil (TO), API GL-4/GL-5 class gear lubricant. |
| Swing drive | Not documented in the sources checked — this size class of mini excavator may use a sealed/permanently-lubricated swing reduction rather than a serviceable oil-fill point; not confirmed either way for this model. | If serviceable: Komatsu genuine gear oil (TO), same class as final drive. |
| Grease (spec only) | Not applicable — grease points are lubricated to purge, not to a fixed volume. | Komatsu genuine multipurpose lithium-base grease (G2-LI), NLGI No. 2, for boom, arm, bucket linkage, and swing bearing grease points. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu PC10-6(S/N 20001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,500 h |
|
Servicing the PC10-6(S/N 20001-UP) beyond the schedule
Predictive maintenance & fluid analysis
On a PC10-6, predictive care means watching the basics closely since there's no ECM to flag problems. Sample engine oil and final drive gear oil at major services to catch early wear in the 3D75-2D's mechanical injection pump and the planetary final drives. Track hydraulic oil condition and change intervals closely - a worn main pump or control valve shows up first as sluggish boom and arm response or rising oil temperature, well before a visible leak appears.
Corrective & common repairs
Typical PC10-6 repairs center on the undercarriage and hydraulics: worn rubber tracks, loose or seized upper and lower rollers, and idler tension springs that lose preload with age. On the engine side, expect fuel injector wear and injection pump linkage sticking on a machine this old, plus starter and glow-plug circuit faults from oxidized wiring. Travel motor and final drive seal leaks are common once gear oil hasn't been changed on schedule; catch them early to avoid gear damage.
Overhaul & rebuild points
At higher hours the 3D75-2D typically needs a top-end rebuild - rings, valves, and injectors - once compression and smoke color fall off, since this mechanical engine has no self-diagnostics to warn of internal wear. Final drive and travel motor units, plus the swing motor, are the other common rebuild candidates on the PC10-6, given their compact planetary gearsets and constant duty in tight-radius digging. Rebuild the main hydraulic pump and control valve together, since wear in one accelerates wear in the other.
Seasonal & environment servicing
Cold-weather starts on the PC10-6 rely entirely on the 3D75-2D's glow-plug preheat system and correct-viscosity engine oil, since there's no factory block heater option; keep the battery and glow plugs in good condition before winter. In hot or dusty environments, clean the air cleaner element more often than the standard interval and check the radiator fins for packed debris. Because the undercarriage sits low and close-coupled, wash mud and debris out of the tracks and rollers regularly to prevent premature wear.
PC10-6(S/N 20001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM119810-55621 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| YM171051-92760 | Wrench,Fuel Filter? Water Separator | Fuel system service | Check fitment → |
| YM171301-92750 | Wrench,Engine Oil Filter | Lubrication service | Check fitment → |
| YM129350-12900 | Element | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC10-6(S/N 20001-UP) attachments & work tools
Buckets
Factory-fit bucket on this machine runs about 0.085 m3 struck capacity at roughly 280mm width, mounted pin-on with 30mm pin diameter, 123mm stick-eye width and 190mm pin centers. GD digging buckets from 150-600mm width fit this pin/stick geometry; dedicated rock/HD buckets are uncommon at this power class (18.7hp 3-cylinder diesel) since crowd/breakout force is limited, so bucket capacity beyond factory size mainly trades reach for digging force rather than adding true HD toughness.
Hydraulic hammers
Operating weight sits around 2.1-2.3t, placing it in the smallest hydraulic-breaker service class (roughly 0.7-1.5t breaker service weight). Breakers in this tier commonly mount on 25-30mm pins depending on the breaker brand and bracket used; the OEM bucket linkage itself uses 30mm pins, so a bracket/adapter is often needed to match a 25mm-pin breaker to this machine.
Quick couplers
Manual/mechanical pin-grabber couplers sized for 30mm pins are the common fit for this size class and match the machine's factory pin spacing. Hydraulic (powered) couplers are unusual on a machine this small and this old, since it predates common factory aux-hydraulic quick-coupler circuits.
Thumbs/grapples
Bolt-on or clamp-style mechanical thumbs sized for 1-2t mini excavators bolt to the bucket linkage without needing extra hydraulics. A powered hydraulic thumb is possible but needs an added auxiliary circuit, which is not standard factory equipment on this model.
Rippers
Single-shank pin-on rippers built for 1-2t mini excavators pin directly to the stick/bucket linkage in place of a bucket, useful for breaking hardpan or compacted fill within this machine's limited crowd force.
Hydraulic-kit notes
This is a mechanical-era mini excavator (18.7hp 3-cylinder diesel, no electronic controls), and factory documentation for this machine does not show a standard auxiliary hydraulic circuit for breakers/thumbs. Running a hydraulic hammer or thumb typically means adding an aftermarket one-way auxiliary line and piping kit; given the small pump flow at this size class, only a basic medium-pressure circuit applies, not a high-flow setup.
All PC10-6(S/N 20001-UP) assemblies by section
Every catalogued assembly group for the Komatsu PC10-6(S/N 20001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
3d75-2d Engine S/N 03044-Up
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Air Cleaner
| YM***41 | Buffle | 1 |
| YM***70 | Seat | 1 |
| YM***40 | Band Ass'Y | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Air Intake Manifold And Ribbon Heater
| YM***01 | Heater,Intake Air | 1 |
| YM***10 | Gasket,Air Intake Manifold | 1 |
| YM***52 | Screw | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Alternator
| YM***01 | Alternator A. (20a) | 1 |
| YM***00 | Stator Ass'Y | 1 |
| YM***10 | Bearing,Ball | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Alternator And Mounting
| YM***30 | Plate,Adjust | 1 |
| YM***70 | Stud | 1 |
| YM***02 | Nut | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Camshaft And Tappet
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***00 | Rod,Push | 6 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***00 | Crankshaft Ass'Y | 1 |
| YM***50 | Pulley,Crank | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Cylinder Block
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Cylinder Head
| YM***00 | Cylinder Head A | 1 |
| YM***80 | Retainer, Spring | 6 |
| YM***00 | Guide,Valve? Exhaust | 6 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Engine Stop Motor
| YM***80 | Ring,Snap | 1 |
| YM***00 | Pin,Cotter | 1 |
| YM***10 | Bracket | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Exhaust Manifold And Muffler
| YM***62 | Bolt | 2 |
| YM***02 | Stud | 1 |
| YM***22 | Stud | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Flywheel And Flywheel Housing
| YM***80 | Seal? Rear | 1 |
| YM***02 | Screw | 6 |
| YM***02 | Screw | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Fuel Filter
| YM***40 | Lever | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Cartridge | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Fuel Injection Pump
| YM***70 | Retainer, Spring | 3 |
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***00 | Injection Pipe Ass'Y | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Fuel Nozzle And Spill Pipe
| YM***70 | Union | 1 |
| YM***20 | Spring | 1 |
| YM***51 | Check Valve Ass'Y,Joint | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Gasket Kit
| YM***10 | Gasket,Exhaust Manifold | 1 |
| YM***10 | Gasket,Air Intake Manifold | 1 |
| YM***31 | Gasket,Head (Kit) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Gear Case And Front Cover
| YM***02 | Bolt Plated | 2 |
| YM***10 | Washer,Seal | 5 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Governor
| YM***01 | Weight Assembly., Governor | 1 |
| YM***02 | Lever Ass'Y,Stop | 1 |
| YM***10 | Pin,Stop Lever | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***02 | Bolt Plated | 3 |
| YM***50 | Cartridge,Engine | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Lubricating Oil Pump
| YM***00 | Pipe,Oil Inlet | 1 |
| YM***00 | Oil Pump Ass'Y | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Oil Pan
| YM***40 | O-Ring,Drain Plug | 1 |
| YM***52 | Screw | 22 |
| YM***30 | Housing Assembly., Gear | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Piston And Connecting Rod
| YM***00 | Metal,Crank Pin (Std) | 1 |
| YM***50 | Piston Ring Ass'Y,0.25mm (Os) | 3 |
| YM***00 | Piston Ass'Y,0.25mm (Os) | 3 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Rocker Arm
| YM***50 | Rocker Arm Ass'Y | 6 |
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Safety Relay And Ribbon Heater Timer
| YM***21 | Indicator, Charging | 1 |
| YM***11 | Limiter, Current | 1 |
| YM***01 | Relay,Safety | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Starting Motor
| YM***54 | Plate,Center | 1 |
| YM***02 | Pinion Ass'Y | 1 |
| YM***15 | Bolt | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Starting Motor And Mounting
| YM***52 | Bolt Plated | 2 |
| (Y***0) | Starting Motor Ass'Y,(See Fig.0661) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Tool
| YM***60 | Wrench,Fuel Filter? Water Separator | 1 |
| YM***50 | Screw Driver | 1 |
| YM***50 | Wrench,Engine Oil Filter | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : 3d75-2d Engine S/N 03044-Up : Water Pump And Cooling Fan
| YM***02 | Bolt Plated | 2 |
| YM***20 | O-Ring,(Not Shown) | 1 |
| YM***50 | Packing,Thermostat | 1 |
Control System And Revolving Frame
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Blade And Bucket Control Lever
| 01***40 | Bolt,(With Air Conditioner) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Blade Control Lever
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Blade Control Lever (For 6-Way Control)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Boom And Bucket Control Lever (For 6-Way Control)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 4 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***40 | Bolt,(With Air Conditioner) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Boom And Bucket Control Linkage
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
| 01***06 | Nut? L.H. Thread,L.H. Thread (For Chinese) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Boom And Bucket Control Linkage (1/2) (For 6-Way Control)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***18 | Bolt | 5 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Boom And Bucket Control Linkage (2/2) (For 6-Way Control)
| 01***16 | Bolt (With Air Heater & Conditioner) | 8 |
| 01***18 | Bolt | 8 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Boom Swing Control Lever
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Boom Swing Control Lever (For 6-Way Control)
| 01***18 | Bolt | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Fuel Control Lever
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Revolving Frame And Counter Weight
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***60 | Bolt,(For Ripper) | 2 |
| 01***30 | Bolt | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Swing And Arm Control Lever
| 01***10 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Swing And Arm Control Lever (For 6-Way Control)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 4 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Swing And Arm Control Linkage
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
| 01***06 | Nut? L.H. Thread,L.H. Thread (For Chinese) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Swing And Arm Control Linkage (1/2) (For 6-Way Control)
| 01***18 | Bolt | 8 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Swing And Arm Control Linkage (2/2) (For 6-Way Control)
| 01***18 | Bolt | 7 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Travel Control Lever (For 6-Way Shift Control)
| 01***16 | Bolt (With Air Heater & Conditioner) | 8 |
| 01***18 | Bolt | 6 |
| 01***25 | Screw | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Travel Control Lever(#20001-20909)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Screw | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Control System And Revolving Frame : Travel Control Lever(#20910-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 5 |
| 01***25 | Screw | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Engine Related Parts And Electrical System
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Battery
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 1 |
| 08***01 | Terminal? (-),(20l) (Not Shown) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Electrical System (Chassis Line)
| 01***10 | Bolt - Relay And Flasher Mounting | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Electrical System (Instrument Panel)
| 01***16 | Screw, Mount Parking Lights | 2 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Engine Related Parts
| 01***60 | Bolt,(For Japan And Sweden) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Power Take Off
| 01***25 | Bolt,Without Revolution Sensor | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
Komatsu : Pc10-6(S/N 20001-Up) : Engine Related Parts And Electrical System : Radiator And Piping
| 01***16 | Bolt (With Air Heater & Conditioner) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
Guard
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Canopy
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Car Heater
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 08***19 | Band,(Without Air Conditioner) | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Electrical System (For Cab)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 2 |
| 01***16 | Screw, Mount Parking Lights | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Floor Plate
| 01***12 | Bolt,(With Cylinder Cover) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 25 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Machine Cab(#20001-21445)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 13 |
| 01***12 | Washer,(With Body Positioner) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 13 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Machine Cab(#21446-)
| 01***12 | Bolt,(With Cylinder Cover) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 13 |
| 01***12 | Washer,(With Body Positioner) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Operator'S Cab (1/4)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***12 | Bolt,(With Cylinder Cover) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Operator'S Cab (2/4)
| 20***20 | Sash Ass'Y | 1 |
| 20***30 | Sash | 1 |
| 20***60 | Glass | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Operator'S Cab (3/4)
| 01***08 | Screw | 2 |
| 01***08 | Screw | 4 |
| 04***12 | Rivet | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Operator'S Cab (4/4)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 10 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Operator'S Seat
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***06 | Nut | 4 |
| 20***00 | Seat | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Guard : Window Washer
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 2 |
| 01***10 | Washer,(For 35a Alternator) | 2 |
Mark Plate? Tool And Kit
Komatsu : Pc10-6(S/N 20001-Up) : Mark Plate? Tool And Kit : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***00 | Nozzle, Grease Pump (Flexible Type) | 1 |
Swing System
Komatsu : Pc10-6(S/N 20001-Up) : Swing System : Swing Circle
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 14 |
| 01***60 | Bolt, Tube To Oil Cooler | 16 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 14 |
Under Carriage
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Front Idler
| 01***45 | Capscrew - M10 X 1.25 | 2 |
| 01***32 | Washer, (Without Emergency Steering) | 2 |
| 07***28 | O-Ring, Strainer To Control Pump Line | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Hydraulic Piping (Travel Motor Line) (Lower)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 18 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Recoil Spring
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 8 |
| 01***26 | Nut | 2 |
| 01***32 | Washer, (Without Emergency Steering) | 8 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Recoil Spring (For Rubber Shoe)
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 8 |
| 01***26 | Nut | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Rubber Shoe
| 20***50 | Rubber Shoe Ass'Y | 2 |
| (2***0) | Rubber Shoe Group | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Sprocket
| 01***30 | Bolt,(Not Used With Emergency Str.) | 18 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 18 |
| 20***10 | Sprocket | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Track Frame
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Track Frame (For Rubber Shoe)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Track Roller(#20001-22464)
| 07***21 | O-Ring,Water Piping | 2 |
| 10***30 | Seal Ring Ass'Y | 1 |
| 10***40 | O-Ring Ass'Y | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Track Roller(#22465-)
| 07***21 | O-Ring,Water Piping | 2 |
| 10***30 | Seal Ring Ass'Y | 1 |
| 10***40 | O-Ring Ass'Y | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Track Shoe (Double Grouser)
| 20***61 | Track Shoe Ass'Y | 1 |
| 20***81 | Track Shoe Ass'Y | 1 |
| 20***01 | Track Shoe Ass'Y | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Track Shoe (Flat Type)
| 20***51 | Track Shoe Ass'Y | 1 |
| 20***30 | Shoe Ass'Y,Regular | 74 |
| 20***40 | Shoe Ass'Y,Master | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Under Carriage : Track Shoe (Swamp Type)
| 20***70 | Track Shoe Ass'Y | 1 |
| 20***00 | Shoe Ass'Y,Regular | 74 |
| 20***00 | Shoe Ass'Y,Master | 2 |
Work Equipment
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Arm
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Arm Cylinder
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***70 | O-Ring (Kit) | 1 |
| 07***65 | Ring,Back-Up (Kit) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Blade
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Blade (With Cutting Edge)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Blade Cylinder(#20001-21445)
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***70 | O-Ring (Kit) | 1 |
| 07***65 | Ring,Back-Up (Kit) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Blade Cylinder(#21446-)
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Boom Cylinder (For Cab)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Boom Cylinder (For Canopy)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Boom(#20001-21445)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Boom(#21446-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Bucket 0.03m3 (Mini 0.05m3) 250mm
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 6 |
| 10***11 | Tooth (Op) | 3 |
| 10***20 | Nut | 6 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Bucket 0.04m3 (Mini 0.07m3) 350mm
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 6 |
| 10***11 | Tooth (Op) | 3 |
| 10***20 | Nut | 6 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Bucket 0.06m3 (Mini 0.1m3) 450mm
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 10***11 | Tooth (Op) | 4 |
| 10***20 | Nut | 8 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Bucket 0.07m3 (Mini 0.12m3) 550mm
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 10***11 | Tooth (Op) | 4 |
| 10***20 | Nut | 8 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Bucket Cylinder
| 01***09 | Nut,(With Body Positioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 1 |
Komatsu : Pc10-6(S/N 20001-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 : Pc10-6(S/N 20001-Up) : Work Equipment : Hydraulic Piping (Arm Cylinder Line)
| 01***20 | Bolt,(Forwarded Individually Parts) | 1 |
| 01***25 | Bolt - Relay Mounting | 4 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Hydraulic Piping (Blade Cylinder Line)(#20001-21445)
| 20***90 | Hose | 1 |
| 20***10 | Hose | 1 |
| 20***80 | Elbow | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Hydraulic Piping (Blade Cylinder Line)(#21446-)
| 20***90 | Hose | 1 |
| 20***10 | Hose | 1 |
| 20***80 | Elbow | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Hydraulic Piping (Boom Cylinder Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Hydraulic Piping (Bucket Cylinder Line)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Long Arm
| 07***03 | Bushing | 4 |
| 07***04 | Bushing | 2 |
| 07***30 | Seal,Dust (Kit) | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Swing Bracket(#20001-20240)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Swing Bracket(#20241-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment : Swing Cylinder
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Work Equipment Control System
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : 2-Spool Control Valve (1/2)
| 01***10 | Bolt | 4 |
| 01***16 | Bolt (Op) | 4 |
| 01***20 | Bolt (Itl) | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : 2-Spool Control Valve (2/2)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : 6-Spool Control Valve (1/2)
| 01***10 | Bolt | 12 |
| 01***16 | Bolt (Op) | 12 |
| 01***20 | Bolt (Itl) | 6 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : 6-Spool Control Valve (2/2)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Swing Line)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***40 | Nipple,(For 20p-62-72566 Hose) | 2 |
| 20***60 | Hose | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Piping (Pump To Valve)
| 01***30 | Bolt,(For Mechanical Governor) | 18 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 6 |
| 01***23 | Washer,(For Shipping) | 12 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control 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 : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Piping (Travel And Blade Line)(#20001-21445)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 6 |
| 20***60 | Hose | 1 |
| 20***60 | Elbow | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Piping (Travel And Blade Line)(#21446-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 6 |
| 20***60 | Hose | 1 |
| 20***60 | Elbow | 2 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Piping (Valve To Tank)
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***25 | Hose | 1 |
| 07***22 | Hose | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Pump (1/3)
| 04***15 | Ring, Snap | 1 |
| 70***10 | Shaft Seal | 1 |
| 70***70 | Plate | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Pump (2/3)
| 01***23 | Washer,(For Shipping) | 4 |
| 70***60 | Seal,Ring | 1 |
| 70***20 | Pump Ass'Y (Sbr8a) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Pump (3/3)
| 01***23 | Washer,(For Shipping) | 6 |
| 07***21 | O-Ring,Water Piping | 1 |
| 70***60 | Seal,Ring | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Hydraulic Tank
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Swing Motor
| 20***20 | Ring,Seal | 2 |
| 20***60 | Ring,Seal | 3 |
| 20***70 | Ring,Seal | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Swivel Joint
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Travel Motor (1/2)
| 04***20 | Spring Pin | 7 |
| 04***12 | Ring, Snap (4) | 7 |
| 04***15 | Ring, Snap | 1 |
Komatsu : Pc10-6(S/N 20001-Up) : Work Equipment Control System : Travle Motor (2/2)
| 01***20 | Screw | 6 |
| 04***16 | Pin | 1 |
| 04***12 | Pin,Spring (See Fig.0201) | 1 |
Frequently asked questions
What engine does the Komatsu PC10-6 (S/N 20001-UP) use?
It's powered by Komatsu's own 3D75-2D, a 3-cylinder, naturally aspirated diesel of about 0.994 L displacement, producing roughly 14 kW (18-19 HP) at 2600 rpm. It's a purely mechanical engine with no electronic controller.
What is the operating weight of the PC10-6?
Operating weight runs roughly 2.1 to 2.26 tonnes (about 4,630-4,970 lb), depending on bucket, canopy or cab, and blade configuration.
What replaced the Komatsu PC10-6?
Komatsu replaced it with the PC10-7. The PC10-7 uses a different engine family and sits in a distinctly different operating class, so parts and service specs should not be assumed to interchange between the two.
What PC10-6(S/N 20001-UP) owners discuss
Why does the boom stop moving as soon as I touch the bucket control, and why does lowering the boom quit if I move the bucket at the same time?
This is a known complaint on the PC10-6's simple mechanical valve stack: with a single main pump feeding all circuits, one function can starve another when both are commanded together, and boom-down plus bucket movement is the combination owners report fighting with most. Before assuming a bad valve or pump, check that the control linkage is adjusted correctly and that relief pressure is at spec, since a tired pump or misadjusted linkage will make the prioritization problem much worse than normal. If flows still fight each other after linkage and pressure checks come back clean, have your dealer verify the main control valve and pump condition.
The machine ran out of fuel and now it smokes and is hard to shut off. What is going on?
Running the tank dry lets sediment sitting in the bottom of the tank get pulled into the fuel system, and owners who have chased this down have found a couple inches of sludge in the fuel bowl once they opened it up. On this mechanical pump-line-injector engine, that debris can also cause an injection pump plunger to hang instead of returning fully, which leaves fuel flowing even after the shutoff is pulled and shows up as smoke and a stubborn no-stop condition. Draining and cleaning the fuel bowl, changing the filter, and bleeding the system resolves most of these cases; if the engine still won't shut down cleanly afterward, have your dealer verify the injection pump before running it again.
What undercarriage wear pattern is typical for a machine this size, and how do I know if the tracks are actually worn versus just loose?
Rubber tracks on this class of machine wear from tread depth loss, cracking, and general age rather than sudden failure, and a track that looks loose is often just low on grease at the tensioner rather than stretched out. Check the track adjuster grease valve first before condemning a track, since adding grease to bring tension back to spec fixes a surprising number of loose-track complaints. Genuinely worn tracks show shallow or missing tread, exposed steel cable, or chunks torn out of the rubber, and at that point replacement is the only fix.
What are the known quirks of the 3D75-2 series engine in this machine?
This engine uses a straight mechanical pump-line-injector fuel system with no electronic engine controller, so there is no fault code to read and diagnosis comes down to fuel quality, injector condition, and mechanical adjustment. It is a simple, low-stress engine for its size, but because it has no self-protection electronics, running it low on fuel or feeding it dirty fuel causes problems (smoking, hard shutdown) that a modern electronically governed engine would often mask or shrug off. Glow plugs assist cold starting since there is no electronic pre-heat management; a weak or dead glow plug shows up as harder cold starts and more white smoke on startup rather than a warning light.
What electrical issues come up on this machine, and does it have sensors or fault codes to check?
No. This is a mechanical-era machine with a basic charging and starting circuit only, no electronic control module and no diagnostic sensors, so there is nothing to plug a scan tool into. Reported electrical complaints are the ordinary basics for a machine this age: corroded or loose battery terminals, a weak ground between the starter and engine block, or a marginal starter solenoid, all of which show up as slow or no cranking rather than dashboard warnings. If cranking is weak after cleaning terminals and checking grounds, have your dealer verify the starter and charging system.
Is the hydraulic pump on this machine interchangeable with the later PC10-7, and what hydraulic wear should I expect?
No. The PC10-6 uses a different pump architecture than the PC10-7, and owners who have looked into swapping parts between the two have found the pumps are not a direct match, so don't assume PC10-7 hydraulic parts will bolt on. For general hydraulic wear, the swivel joint behind the boom mounting pin (where the travel hoses route down to the undercarriage) is a common source of internal bypass leaks as seals age, showing up as sluggish or uneven travel even though steering and digging functions still work fine.
What should I check before buying a used PC10-6?
Start with engine performance: cold-start it if possible and watch for excess smoke or hard shutdown, both of which point at fuel system or injection pump problems common on machines that have been run low on fuel. Check the tracks for tread depth and correct tension (grease the tensioner first if a track looks loose before assuming it needs replacing), and cycle every hydraulic function including simultaneous boom and bucket movement to see if the control-priority quirk is present. Inspect the boom, arm, and mounting pins for cracks or excessive play, and pressure-test or at least visually check the swivel joint area for hydraulic weeping. Because this is an older mechanical machine with no onboard diagnostics or usage logging, there is no electronic service history to pull, so a physical inspection and a cold start are the only real way to judge condition; have your dealer verify anything that looks questionable before you buy.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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