Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC15-2 (S/N 2001-up, for 6-way control) is a sub-3-tonne conventional mini hydraulic excavator, one of Komatsu's earliest compact excavator offerings for the US market. It carries the Komatsu 3D78-1E diesel, a Yanmar-built, mechanically-governed 3-cylinder engine of 1.232 L displacement rated around 23.7 hp (17.7 kW) at 2,600 rpm. Operating weight runs about 2,480 kg (5,468 lb). Documented production-year units span the late 1980s: individual machines built in 1988 and 1989 are on record, following the earlier PC15-1. No confirmed factory start or end date is documented for this exact serial break, and no direct successor is confirmed either, though the PC15 nameplate continued through later PC15-3 and PC15R generations. This catalog break covers machines built with the 6-way, 6-spool, mechanical control valve group governing the work equipment and blade circuit, a configuration Komatsu cataloged separately from other PC15-2 control-pattern variants sharing the same base model name. Steel and rubber track shoe options were both fitted across surviving units.
The PC15-2 update over the PC15-1 was Komatsu's second pass at a compact, trailerable excavator, and the 6-way control catalog split shows Komatsu was already differentiating control-valve configurations within one model designation, this variant built for the full work-equipment and blade circuit rather than a simpler pattern. Later PC15-3 and PC15R-series machines moved to different engines and hydraulic layouts, so the mechanically-governed, pre-emissions powertrain and simple valve architecture on this catalog break are specific to this era and do not carry forward. In the used and parts market today, these machines are valued for their small footprint, light trailer weight, and mechanical simplicity: no ECM, no complex electronics, straightforward field repair. Original units are now pushing forty years old, so sourcing genuine parts is harder than for later PC15 generations. Undercarriage, final drive, hydraulic, and engine long-block components remain available through aftermarket channels, but buyers should confirm serial number and control-valve configuration before ordering, since Komatsu split parts catalogs by that exact distinction.
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 PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) specifications
Engine
| Engine model | Komatsu 3D78-1E, 3-cylinder inline diesel, water-cooled, naturally aspirated |
| Rated power | 17.7 kW (23.7 HP) @ 2,600 rpm |
| Displacement | 1.232 L (75.2 cu in) |
| Cylinders | 3 |
| Emissions tier | Pre-emissions-regulation build (late-1980s production); no certified emissions tier applies |
Weights
| Operating weight | 2,480 kg (5,468 lb) |
| Transport weight | Not separately published; treat as equal to operating weight for this class |
| Ground pressure | Not documented for this serial range — verify with your dealer or factory spec sheet |
Dimensions
| Transport length | 4,370 mm (14'4"); a small number of dealer listings show 4,465 mm (14'8") for the same model |
| Transport width | 1,450 mm (4'9") |
| Transport height | 2,260 mm (7'5"); a small number of dealer listings show 2,285 mm (7'6") |
| Track shoe width | 300 mm (11.8 in) rubber crawler |
| Undercarriage (track) length | 1,920 mm (6'4") |
| Tail swing radius | Not documented for this model — verify with your dealer or factory spec sheet |
| Ground clearance | Not documented for this model — verify with your dealer or factory spec sheet |
Performance
| Max digging depth | 2,500 mm (8'2"); some dealer listings cite up to 3,000 mm (9'10"), varies by source/configuration |
| Max reach at ground level | 4,390 mm (14'5"); some dealer listings cite up to 4,460 mm (14'8") |
| Max digging/dump height | 4,480 mm (14'8"); some dealer listings cite up to 4,600 mm (15'1") |
| Swing speed | 9.2 rpm |
| Travel speed | 2.0 km/h (1.2 mph) |
| Gradeability | Not documented for this model — verify with your dealer or factory spec sheet |
| Drawbar pull | Not documented for this model — verify with your dealer or factory spec sheet |
Forces
| Bucket digging force | Not documented for this model/serial range — verify with your dealer or factory spec sheet |
| Arm (stick) digging force | Not documented for this model/serial range — verify with your dealer or factory spec sheet |
Service capacities (summary)
| Fuel tank | Not documented for this model — verify with your dealer or factory spec sheet |
| Hydraulic system | Not documented for this model — verify with your dealer or factory spec sheet |
| Engine oil | Not documented for this model — verify with your dealer or factory spec sheet |
| Cooling system | Not documented for this model — verify with your dealer or factory spec sheet |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not documented for this exact serial range/configuration in accessible references. Engine is the Yanmar-built 3-cylinder diesel used by Komatsu as the 3D78-1E (1.232 L displacement); sister engines in this family typically hold roughly 4 L (4.2 US qt) with filter, but confirm the exact refill volume against the OMM before servicing. | Komatsu genuine diesel engine oil (EO series) or an equivalent CD/CE-rated diesel engine oil. Komatsu O&M charts split grade by ambient startup temperature: lighter SAE 10W-30 for cool/moderate climates, heavier SAE 15W-40 (or straight 30) for warm climates. |
| Cooling system | Not documented for this exact serial range/configuration in accessible references. Confirm against the OMM or with a dealer before refilling. | Komatsu genuine supercoolant, or an equivalent ethylene-glycol antifreeze-coolant, mixed to the ratio the OMM specifies for the expected ambient temperature. Do not mix coolant brands or types. |
| Fuel tank | Not documented for this exact serial range/configuration in accessible references. | Diesel fuel meeting the cetane and sulfur limits called out in the OMM. Use a winter-grade or blended diesel in cold climates to avoid fuel gelling/wax-out. |
| Hydraulic system total and hydraulic tank | Not documented for this exact serial range/configuration in accessible references. Treat any single figure quoted online for a bare "PC15-2" with caution — some aggregator listings conflate this compact machine's tank size with unrelated, larger PC-series excavators. | Komatsu genuine hydraulic oil (HO series) or an equivalent anti-wear hydraulic fluid. Grade follows the OMM ambient-temperature chart: lighter viscosity for cold starts, heavier (around a 10W-30/15W-40 equivalent) for hot climates. |
| Final drive (each) | Not documented for this exact serial range/configuration in accessible references. | Komatsu genuine powertrain/gear oil (TO series) or an equivalent GL-4/GL-5 gear oil, viscosity selected per the OMM ambient-temperature chart. |
| Swing drive | Not documented for this exact serial range/configuration in accessible references. On this compact machine class the slew/swing drive may draw from the main hydraulic circuit rather than carry its own separate oil case — verify against the OMM lubrication chart. | Same family of Komatsu genuine hydraulic oil (HO series) or gear oil (TO series) specified for the hydraulic system or final drives — confirm which circuit actually feeds the swing drive on this configuration before topping off. |
| Grease (spec only) | Not applicable. Applied by grease gun at lubrication points per the OMM service interval chart, not a fill-and-check reservoir. | Komatsu genuine multipurpose lithium-based grease (NLGI 2, EP) for boom, arm, bucket linkage, and swing-circle pins and bushings. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) beyond the schedule
Predictive Maintenance & Fluid Analysis
This machine predates onboard diagnostics: the mechanically-governed 3D78-1E has no ECM, so condition monitoring relies on manual sampling and inspection, not fault codes. Pull engine oil samples at oil-change intervals to track wear metal and fuel dilution from the mechanical injection pump. Sample hydraulic oil for water and particulate contamination given the small single hydraulic tank's limited reserve. Watch exhaust smoke color for injector wear, listen for injection-pump knock, and monitor track sag and cylinder rod pitting before seal leaks develop.
Corrective & Common Repairs
Common failures on this age of machine center on the mechanical fuel injection pump and injectors losing calibration, causing hard starting and smoke. Hydraulic cylinder rod seals on the boom, arm, and bucket weep after decades of service; reseal rather than replace cylinders where the rod surface is sound. The 6-way control valve's linkage bushings and spool seals wear loose, causing sluggish or drifting blade and work-equipment response. On steel-track survivors, expect worn track rollers, idlers, and sprockets; rubber-tracked units show cracking at the lug base with age.
Overhaul & Rebuild Points
At high hours, plan an engine top-end rebuild for the 3D78-1E: cylinder head, valves, and injectors wear as a set on this mechanically-governed three-cylinder diesel. The hydraulic pump and 6-way control valve are next: internal wear drops flow and pressure across all circuits at once. Final drives and the swing motor/bearing assembly are common rebuild points on machines this old, especially if the undercarriage was run loose. A full undercarriage rebuild, rollers, idlers, sprockets, and chain, is routine on any survivor still earning its keep.
Seasonal & Environment Servicing
Cold starts are hard on the mechanically-governed 3D78-1E: fuel delivery is not electronically compensated for temperature, so use a lighter-viscosity engine oil, keep the battery fully charged, and use a starting aid below freezing. Check antifreeze concentration before winter. In hot, dusty work, clean the small radiator core and air cleaner element more often than the standard interval to prevent overheating in the compact engine bay. Rubber tracks should not sit idle outdoors through winter without periodic movement to prevent flat-spotting and lug cracking.
PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM129100-55650 | Element,Fuel Filter | Fuel system service | Check fitment → |
| YM171301-92750 | Wrench,Engine Oil Filter | Lubrication service | Check fitment → |
| YM121120-12901 | Element | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) attachments & work tools
Buckets
Factory-fit buckets on this ~1.5-1.8 t class machine are pin-on GP trenching/grading buckets, roughly 300-600 mm (12-24 in) wide; wider grading/skeleton and root-rake styles up to about 900 mm (36 in) are offered by aftermarket suppliers for this bucket class, so treat width as a range that varies by configuration. Bucket pin diameter for this weight class runs about 25 mm. No separate heavy-duty or rock bucket line is documented for a machine this small - general-purpose buckets cover the range. Mounting is pin-on only; this vintage machine has no factory quick-coupler provision.
Hydraulic hammers
Breakers built for the 1.1-1.8 t mini excavator class match this carrier: working pressure about 8-10 MPa (relief should not exceed roughly 12 MPa), flow around 10-30 L/min (2.6-7.9 GPM), and a moil/chisel diameter near 35 mm. Breaker self-weight in this class runs roughly 40-95 kg depending on brand and configuration - size selection to the low pump flow this 17.7 kW (23.7 hp) engine can actually supply, not to a larger class breaker.
Quick couplers
No factory quick-coupler mount is documented for this 6-way-control, S/N 2001-up PC15-2; buckets and other attachments are pin-mounted. If a coupler is wanted, the aftermarket option is a mechanical pin-grabber quick hitch sized for roughly 25 mm pins, the standard used across the 0.8-1.5 t mini excavator class this machine sits in.
Thumbs/grapples
Both mechanical (fixed, bolt-on) and hydraulic thumbs are catalogued for this machine in straight and curved styles, rated for the 1.5-1.8 t class; the hydraulic version needs an auxiliary hydraulic line run to the stick. Multi-finger mechanical grapples for brush and debris handling are also offered in this size class; finger count and capacity vary by supplier.
Rippers
A single tooth-style ripper shank, fitted in place of the bucket for light scarifying, is offered for this machine class. There is no multi-shank ripper boom attachment cataloged for a machine this small - the single-tooth style is the only ripper option documented.
Hydraulic kit notes
The 6-way valve on this machine controls the offset (swing) boom; it does not provide a dedicated auxiliary attachment circuit. Running a breaker or hydraulic thumb normally means adding an aftermarket tee-in auxiliary valve kit with its own relief and case-drain provision. Because this engine only makes about 17.7 kW (23.7 hp), match any tool to the low-flow end of the range, roughly 10-30 L/min (2.6-7.9 GPM) - this machine cannot support a medium- or high-flow tool circuit.
All PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) assemblies by section
Every catalogued assembly group for the Komatsu PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
3d78-1e Engine S/N 02853-Up
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Air Cleaner
| YM***41 | Buffle | 1 |
| YM***70 | Seat | 1 |
| YM***40 | Band Ass'Y | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Air Intake Manifold
| YM***01 | Heater,Intake Air | 1 |
| YM***00 | Manifold,Air Intake | 1 |
| YM***52 | Screw | 4 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Alternator
| YM***01 | Alternator A. (20a) | 1 |
| YM***00 | Stator Ass'Y | 1 |
| YM***10 | Bearing,Ball | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Alternator And Mounting
| YM***70 | Stud | 1 |
| YM***02 | Nut | 1 |
| YM***30 | Plate,Adjust | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Camshaft And Tappet
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***11 | Camshaft | 1 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***01 | Ball,Steel | 3 |
| YM***10 | Spring Pin | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Cylinder Block
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
| YM***20 | Screw | 8 |
| YM***00 | Plug | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Cylinder Head
| YM***80 | Retainer, Spring | 12 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 3 |
| YM***10 | Valve,Exhaust | 3 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Engine Stop Motor
| YM***80 | Ring,Snap | 1 |
| YM***00 | Pin,Cotter | 1 |
| YM***90 | Washer | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Exhaust Manifold And Muffler
| YM***10 | Manifold, Exhaust | 1 |
| YM***60 | Support,R.H | 1 |
| YM***50 | Connector | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Flywheel And Flywheel Housing
| YM***02 | Screw | 6 |
| YM***02 | Screw | 4 |
| YM***80 | Parallel Pin | 5 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Fuel Filter
| YM***00 | O-Ring (Kit) | 1 |
| YM***70 | Lever | 1 |
| YM***80 | Cup, Strainer | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Fuel Injection Pump
| YM***70 | Retainer, Spring | 3 |
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***30 | Bolt | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Fuel Nozzle And Spill Pipe
| YM***70 | Union | 1 |
| YM***20 | Spring | 1 |
| YM***51 | Check Valve Ass'Y,Joint | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Gasket Kit
| YM***00 | Gasket Kit | 1 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***20 | O-Ring,Cylinder Head Cover Bolt | 3 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Gear Case Cover
| YM***02 | Bolt Plated | 2 |
| YM***10 | Washer,Seal | 5 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Governor
| YM***01 | Weight Assembly., Governor | 1 |
| YM***10 | Pin,Stop Lever | 1 |
| YM***90 | Shaft,Governor Lever | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***02 | Bolt Plated | 3 |
| YM***50 | Cartridge,Engine | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Lubricating Oil Pump And Piping
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***40 | Gasket,Inlet Pipe | 1 |
| YM***20 | Bolt,Joint (Cylinder Head Side) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Oil Pan
| YM***40 | Oil Pan Ass'Y | 1 |
| YM***02 | Screw | 4 |
| YM***40 | O-Ring,Drain Plug | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Piston And Connecting Rod
| YM***00 | Screw | 2 |
| YM***80 | Piston Ass'Y | 3 |
| YM***00 | Ring,Snap | 6 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Rocker Arm
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
| YM***00 | Plug | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Safety Relay And Glow Plug Timer
| YM***21 | Indicator, Charging | 1 |
| YM***01 | Relay,Safety | 2 |
| YM***02 | Relay,Safety | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Starting Motor
| YM***40 | Bolt,Through | 2 |
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***30 | Coil Ass'Y,Field | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Starting Motor And Mounting
| YM***52 | Bolt Plated | 2 |
| (Y***0) | Starting Motor Ass'Y,(1.8kw) (See Fig.0662) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Tool
| YM***50 | Screw Driver | 1 |
| YM***50 | Wrench,Engine Oil Filter | 1 |
| YM***20 | Flex Horn (Option.) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 3d78-1e Engine S/N 02853-Up : Water Pump And Cooling Fan
| YM***20 | Gasket,Water Pump | 1 |
| YM***30 | Cover | 1 |
| YM***02 | Screw | 1 |
Control System And Revolving Frame
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Attachment Control Pedal (For Asia)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Blade Control Lever (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Boom And Bucket Control Lever (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Boom And Bucket Control Linkage (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Boom Swing Control Lever (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Revolving Frame
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***85 | Bolt,(For Perforated Mask) | 2 |
| 01***30 | Bolt | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Swing And Arm Control Lever (For Japan) (For Asia)
| 01***10 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Swing And Arm Control Linkage (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Tilt Blade Control Lever
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Travel Control Lever (For 6-Way Control)
| 01***16 | Bolt (With Air Heater & Conditioner) | 8 |
| 01***18 | Bolt | 6 |
| 01***25 | Screw | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Travel Control Lever (For Japan) (For Asia)(#2447-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 5 |
| 01***25 | Screw | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Control System And Revolving Frame : Travel Control Lever (For Japan)(#2001-2446)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Screw | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Engine Related Parts And Electrical System
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Engine Related Parts And Electrical System : Electrical System (Chassis Side) (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Engine Related Parts And Electrical System : Electrical System (Instrument Panel) (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 12 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Engine Related Parts And Electrical System : Engine Related Parts
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Guard : Canopy (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Guard : Floor Plate (For Attachment) (For Asia)
| 01***12 | Bolt,(With Cylinder Cover) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 25 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Guard : Machine Cab (For Japan) (For Asia)(#2809-)
| 01***12 | Bolt,(With Cylinder Cover) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 13 |
| 01***12 | Washer (Op) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Guard : Machine Cab(#2001-2808)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 13 |
| 01***12 | Washer (Op) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 13 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Guard : Operator'S Cab (2/4)
| 20***20 | Sash Ass'Y | 1 |
| 20***30 | Sash | 1 |
| 20***60 | Glass | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Guard : Operator'S Cab (3/4)
| 01***08 | Screw | 2 |
| 01***08 | Screw | 4 |
| 04***12 | Rivet | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Guard : Operator'S Seat (For Japan) (For Asia)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***06 | Nut | 4 |
| 20***00 | Seat | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Mark Plate? Tool And Kit : Tool (For Japan) (For Asia)
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***00 | Nozzle, Grease Pump (Flexible Type) | 1 |
Swing System
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Hydraulic Piping (Travel Motor Line) (Lower) (For Japan) (For Asia)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 18 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Rubber Shoe (For Japan) (For Asia)
| 20***10 | Shoe,Rubber | 2 |
| (2***0) | Rubber Shoe Group | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Track Frame (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Track Frame (For Rubber Shoe) (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Track Roller(#2001-3337)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Track Roller(#3338-)
| 07***21 | O-Ring,Water Piping | 2 |
| 10***30 | Seal Ring Ass'Y | 1 |
| 10***40 | O-Ring Ass'Y | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Track Shoe (Double Grouser) (For Japan) (For Asia)
| 20***90 | Pin,Master | 1 |
| 20***10 | Bushing | 2 |
| 20***61 | Track Shoe Ass'Y | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Track Shoe (Flat Type) (For Japan) (For Asia)
| 20***51 | Track Shoe Ass'Y | 1 |
| 20***30 | Shoe Ass'Y,Regular | 78 |
| 20***40 | Shoe Ass'Y,Master | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Under Carriage : Track Shoe (Swamp Type) (For Japan) (For Asia)
| 20***10 | Bushing | 2 |
| 20***71 | Track Shoe Ass'Y | 1 |
| 20***00 | Shoe Ass'Y,Regular | 78 |
Work Equipment
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Arm Cylinder
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***65 | Ring,Back-Up (Kit) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Blade (For Japan) (For Asia)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Blade (With Bolt On 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Blade Cylinder (For Japan) (For Asia)(#2809-)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Blade Cylinder(#2001-2808)
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***70 | O-Ring (Kit) | 1 |
| 07***65 | Ring,Back-Up (Kit) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Blade Tilt Cylinder
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 1 |
| 07***03 | Bushing | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Boom (Additional Piping) (For Asia)(#2809-)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Boom (For Japan) (For Asia)(#2809-)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Boom Cylinder (For Cab) (For Japan) (For Asia)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Boom Cylinder (For Canopy) (For Japan) (For Asia)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Boom(#2001-2808)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Bucket? 0.065m3 (Mini 0.11m3) 450mm
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 10***11 | Tooth (Op) | 4 |
| 10***20 | Nut | 8 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Hydraulic Piping (Arm Cylinder Line) (For Japan) (For Asia)
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Hydraulic Piping (Blade Cylinder Line) (Lower) (For Japan) (For Asia)(#2809-)
| 20***80 | Elbow | 2 |
| 20***90 | Hose | 1 |
| 20***10 | Hose | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Hydraulic Piping (Blade Cylinder Line) (Lower) (For Tilt Blade)
| 08***16 | Grommet,(With Wet Type Brake) | 4 |
| 20***60 | Elbow | 2 |
| 20***80 | Elbow | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Hydraulic Piping (Blade Cylinder Line) (Lower)(#2001-2808)
| 20***80 | Elbow | 2 |
| 20***90 | Hose | 1 |
| 20***10 | Hose | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Hydraulic Piping (Boom Cylinder Line) (For Japan) (For Asia)
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Hydraulic Piping (Bucket Cylinder Line) (For Japan) (For Asia)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Long Arm
| 07***03 | Bushing | 4 |
| 07***04 | Bushing | 2 |
| 07***30 | Seal,Dust (Kit) | 4 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Swing Bracket (For Japan) (For Asia)(#2151-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Swing Bracket(#2001-2150)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Tilt Blade
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment : Tilt Frame
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
Work Equipment Control System
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : 1-Spool Control Valve (For Attachment) (For Asia)
| 01***10 | Bolt | 2 |
| 01***16 | Bolt (Op) | 2 |
| 01***20 | Bolt (Itl) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : 3-Spool Control Valve (1/2) (For Tilt Blade)
| 01***10 | Bolt | 6 |
| 01***16 | Bolt (Op) | 6 |
| 01***20 | Bolt (Itl) | 3 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : 3-Spool Control Valve (2/2) (For Tilt Blade)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Boom Swing Cylinder Line) (For Japan) (For Asia)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***40 | Nipple,(For 20p-62-72566 Hose) | 2 |
| 20***60 | Hose | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Pump To Valve) (For Japan) (For Asia)
| 01***30 | Bolt,(For Mechanical Governor) | 18 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 6 |
| 01***23 | Washer,(For Shipping) | 12 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Swing Motor Line) (For Tilt Blade) (For Japan) (For Asia)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
| 07***11 | O-Ring,(Tm8202-009) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Tank To Pump) (For Japan) (For Asia)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Travel Motor? Blade Cylinder Line) (Upper) (For Japan) (For Asia)(#2809-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 6 |
| 20***20 | Hose | 1 |
| 20***60 | Hose | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Travel Motor? Blade Cylinder Line) (Upper) (For Tilt Blade)(#2809-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 8 |
| 07***10 | Connector, At Case | 1 |
| 20***60 | Elbow | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Travel Motor? Blade Cylinder Line) (Upper)(#2001-2808)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 6 |
| 20***60 | Hose | 1 |
| 20***60 | Elbow | 2 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Valve To Tank)
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***22 | Hose | 1 |
| 07***28 | Hose | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Valve To Tank) (For Attachment) (For Asia)
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***22 | Hose | 1 |
| 07***28 | Hose | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Piping (Valve To Tank) (For Tilt Blade)
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***22 | Hose | 1 |
| 07***28 | Hose | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Pump (1/3)
| 04***15 | Ring, Snap | 1 |
| 70***10 | Shaft Seal | 1 |
| 70***70 | Plate | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Hydraulic Tank And Filter
| 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Swing Motor
| 01***25 | Screw | 6 |
| 01***35 | Screw | 4 |
| 04***16 | Pin, Spring | 7 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Swivel Joint (For Tilt Blade)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc15-2(S/N 2001-Up (For 6-Way Control)) : 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 : Pc15-2(S/N 2001-Up (For 6-Way Control)) : Work Equipment Control System : Travle Motor (2/2)
| 01***20 | Screw | 6 |
| 04***16 | Pin | 1 |
| 04***12 | Pin,Spring (See Fig.0201) | 1 |
PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) serial number reference
On this machine the serial number is stamped directly into the front frame between the two boom-mounting arms (upper structure), not on a separate riveted PIN plate; a small Komatsu decal is usually placed over the stamping. Because this is an early small-excavator serial format, the number is read as one continuous production sequence (e.g. 2001, 2002...) rather than a coded plant/region letter prefix followed by digits, unlike Komatsu's later alphanumeric PIN system used on newer machines. Confirm the reading against the decal and the parts book cover page, since paint or wear can obscure the low digits.
| Prefix | Identifies | Notes |
|---|---|---|
| 2001-UP (no letter prefix) | PC15-2 (US) crawler excavator, 6-way work equipment control valve | Machines in this catalog break run a straight numeric serial sequence starting at 2001, with no alphabetic plant or generation code ahead of the number. Fitted with the Komatsu 3D78-1E diesel, rated about 23.7 hp (17.7 kW), operating weight near 2,480 kg (5,468 lb). Built in Japan for the US market. Units seen in the field from this range (late 1980s production) still show plain numeric stampings, no letter prefix. The related PC15-2A model opens its own separate catalog at S/N 2001-up but is a distinct machine, not a sub-range of this PC15-2. Other Komatsu mini-excavator models (including the PC15R-8) use a 10001-up serial break; that number belongs to those different models, not to this 6-way-control PC15-2 family. |
Frequently asked questions
What engine does the Komatsu PC15-2 (S/N 2001-up, 6-way control) use?
A Komatsu 3D78-1E diesel, built by Yanmar. It is a mechanically-governed 3-cylinder engine of 1.232 L displacement rated around 23.7 hp (17.7 kW) at 2,600 rpm, with no electronic engine controls.
What is the operating weight of the PC15-2 (S/N 2001-up, 6-way control)?
About 2,480 kg (5,468 lb) as documented on surviving units. Actual weight can vary slightly with track type, steel versus rubber, and attachments fitted.
What replaced the Komatsu PC15-2 (S/N 2001-up, 6-way control)?
No factory successor is clearly documented for this exact serial and control-valve catalog break. The PC15 model name continued through later PC15-3 and PC15R-series machines, but those use different engines and hydraulics, so treat them as later generations of the nameplate rather than a confirmed direct replacement. Verify exact fitment with your dealer or a serial-number lookup.
What PC15-2(S/N 2001-UP (FOR 6-WAY CONTROL)) owners discuss
What's the starting behavior like on the PC15-2's engine, especially in cold weather?
Factory documentation for this serial range ties the PC15-2 to a small, mechanically-governed diesel (Komatsu 3D78-1E, Yanmar-built), around 17.5 kW (23.7 hp), with no electronic engine controls. Little chatter names this exact model by number, but it shares its engine era and family with a wide range of small industrial Yanmar diesels, and starting behavior reported across that class is consistent: cranking depends almost entirely on cylinder compression and battery condition, not on any control module. A few extra seconds of cranking before it catches cold is normal for this class of engine. Cranking that gets progressively longer, or needing starting fluid every time, points to falling compression or a weak starter/battery rather than a fuel problem. Have a dealer or diesel shop run a compression check before doing major fuel-system work.
What hydraulic or travel problems come up most often on small Komatsu excavators this size?
The most common complaint on small Komatsu minis of this era is uneven or weak travel power: one track pulls fine, the other bogs going uphill or pushing a blade. On machines this old that's usually worn travel motor internals or a tired main pump losing pressure, and occasionally hoses crossed at the control valve during a prior repair (bucket and boom moving backwards from expected is a giveaway of that). A whining or knocking pump under load usually means cavitation from low hydraulic oil or a clogged suction strainer. Running a cavitating pump can wreck it within minutes, so check fluid level and the suction strainer before chasing anything else.
What undercarriage and final drive wear patterns should owners expect at this age?
Rubber-tracked mini excavators this size and vintage wear in predictable spots: track rubber cracks or chunks with age even at low hours, roller and idler seals start weeping gear oil, and long-idle machines develop flat spots or play in the rollers. Track sag should run about 10-15 mm (0.4-0.6 in) at mid-span; a loose track chews up rollers fast. Oil showing up behind the sprocket or dripping onto the track means the final drive's face seal has failed, not something to top off and ignore. Final drive gear oil level is worth checking regularly and changing at least yearly on a machine that sees regular use.
Any electrical quirks specific to this generation of Komatsu worth knowing?
This machine predates diagnostic electronics, so there are no fault codes or sensor networks to chase, just basic charging and starting circuits. Komatsu machines of this era commonly wire the alternator through a small relay that blocks the starter from engaging once the engine is running and charging. If that relay or the alternator's internal diode trio leaks voltage, the circuit can be fooled into thinking the engine is already running, and the starter refuses to crank even with the engine dead, mimicking a dead starter motor. Have a dealer or auto-electric shop trace the circuit before swapping parts. Do not bypass the starter interlock as a workaround; it exists to stop the starter engaging on a running engine, and defeating it is a safety risk your dealer should evaluate first.
What should owners know about the swing (house rotation) system on a machine this old?
Swing bearing wear is one of the pricier problems on any excavator this age, worth checking on its own. Rotate the house slowly, by hand or with light hydraulic input, and feel for smooth, even resistance; binding, notchy spots, or looseness point to a worn bearing race. Check around the bearing and swing/swivel joint for grease or oil weeping, and listen for grinding or clunking on rotation, especially at the start or end of a swing. Because the bearing carries the whole upper structure, play here is generally treated as a bigger red flag than most other wear items on a machine this size.
What about the "6-way" blade control circuit on this serial range - anything to watch for?
The "6-way" designation on this serial range points to the extra control valve section running the dozer/angle blade, letting it move up and down, angle left and right, and tilt, instead of just up and down. That's one more hydraulic section and cylinder set that can develop internal leakage or wear on an old machine. Cycle the blade through its full range, angle and tilt included, and watch for a section that creeps or won't hold position under load, which points to a worn spool or cylinder seal rather than anything adjustable. Because the blade circuit sees less use than travel, boom, and bucket on most jobs, problems here can go unnoticed until the blade won't hold under real load. Have a dealer verify hydraulic pressure at that section before assuming a simple seal fix will solve it.
What should a buyer check before purchasing a used PC15-2 (S/N 2001-up, 6-way control)?
Treat the hour meter as a rough guide only; a machine this old may carry a replaced or non-functioning meter, so worn pedals and linkage relative to the claimed hours are a useful cross-check. Rotate the house to check the swing bearing, cycle every hydraulic function including the blade through full travel while watching cylinder rods for scoring or pitting and hoses/fittings for weeping, and check final drive gear oil level and look for oil at the sprockets. Note cold-cranking behavior; on a mechanical diesel this age that says more about true condition than the meter does, and have a shop run a compression check if it's a serious purchase. Parts support for a machine this old is limited, so confirm availability of engine, pump, and undercarriage parts before committing. Have a dealer or independent diesel/hydraulic tech go over the machine before you buy.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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