Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PC09-1-W(S/N 10001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC09-1-W is a sub-1-tonne micro hydraulic excavator, part of the compact PC09-1 line built on the S/N 10001-UP production block alongside the PC09-1A and PC09-1B market-spec siblings. It runs a small 2-cylinder, water-cooled, indirect-injection diesel (Komatsu 2D70E / 2D68E-N3C family, 0.569L displacement) producing roughly 6.5-6.8 kW (8.7-9.1 HP) at 2200 rpm, paired with fully mechanical, non-electronic controls and no digital fault-code system. Operating weight runs 880-1,080 kg depending on configuration and source. The -W designation carries a retractable, narrow-width undercarriage that lets the machine shrink its track gauge for passage through standard doorways and work in confined interior or utility spaces, a configuration offered alongside the fixed-width siblings on the same production block.
Across the PC09-1 family, the core chassis, engine, and hydraulic architecture stayed common while the -A, -B and -W suffixes represented market-spec and undercarriage variants rather than a generational redesign, so parts commonality is generally high within the S/N 10001-UP block but should be confirmed suffix-by-suffix before ordering. In the used and parts market today, this machine is valued mainly for narrow-access demolition, landscaping and utility trenching work where its retractable track width is the deciding factor over larger mini excavators; because it predates electronic engine and hydraulic controls, service is straightforward mechanical work, but buyers should watch known age-related issues such as the ISO-pattern relief valve gap on the control selector and general wear on the retractable undercarriage slide mechanism, both of which affect resale condition more than raw hour count.
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 PC09-1-W(S/N 10001-UP) specifications
Engine
| Engine model | Komatsu 2D70E (parts documentation for this serial range also ties a 2D68E-N3C engine option to PC09-1 S/N 10001-UP builds) — mechanical diesel, no ECM for this generation |
| Type | Water-cooled, 4-cycle, indirect-injection (turbulence chamber) diesel |
| Cylinders | 2, in-line |
| Displacement | 0.569 L (34.7 cu in) |
| Gross power | 6.5-6.8 kW (8.7-9.1 HP) @ 2,200 rpm — figure varies by source/series; treat as approximate for this micro-excavator class |
| Emissions tier | Not documented for this serial range — this is a pre-emissions-regulation mechanical diesel; verify with dealer if a Tier-rated engine option applies to a specific unit |
Weights
| Operating weight | Varies by configuration/series: approximately 880-1,080 kg (1,940-2,381 lb); a single-configuration figure of about 940 kg (2,072 lb) is also documented |
| Ground pressure | Not documented for this exact serial range — verify with dealer |
| Transport weight | Same as operating weight; no separate transport-weight figure documented for this micro-excavator class |
Dimensions
| Transport length | 2.81 m (9'3") |
| Transport width (retracted) | 0.85 m (2'9") — undercarriage is hydraulically expandable/variable-gauge for stability vs. narrow-passage travel |
| Transport height | 1.41 m (4'8") to top of canopy; an overall-height figure near 2.1 m (6'11") also appears in some listings, likely reflecting a different attachment/canopy configuration — varies by configuration |
| Tail swing radius | 0.79 m (2'7") |
| Track shoe width | 180 mm (7"), rubber |
| Ground clearance | Not reliably documented for this exact serial range — verify with dealer |
| Undercarriage length | Not separately documented for this exact serial range |
Performance
| Max digging depth | 1.47-1.50 m (4'10"-4'11") |
| Max reach at ground level | 2.75-2.84 m (9'0"-9'4") |
| Max vertical wall digging depth | 1.17 m (3'10") |
| Max dump height | Not documented for this exact serial range — verify with dealer |
| Swing speed | 8.3 rpm |
| Travel speed | 3.06 km/h (1.9 mph), two-stage travel |
| Gradeability | Not documented for this exact serial range |
| Drawbar pull | Not documented for this exact serial range |
Forces
| Bucket digging force | 10.5 kN (1,075 kgf / 2,370 lbf) |
| Arm/stick digging force | Not documented for this exact serial range — verify with dealer |
Service capacities (summary)
| Fuel tank | 11.4 L (3.0 gal) |
| Hydraulic system | 9.1 L (2.4 gal) |
| Engine oil | 1.9 L (0.5 gal) |
| Cooling system | 2.3 L (0.6 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
PC09-1-W(S/N 10001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (oil pan, with filter) | 1.9 L (0.5 US gal) | Komatsu Genuine diesel engine oil (EO series, API CD/CF-4/CH-4 class). Use 10W-30 in cold/temperate climates, 15W-40 in warm climates, per Komatsu's ambient-temperature viscosity chart. Engine is the 2-cylinder 2D68E series used across this PC03/PC05/PC09/PC10-class mini excavator family. |
| Cooling system (radiator + block) | Not documented for this exact serial range in available sources — verify with a Komatsu dealer or the shop manual coolant chart | Komatsu Genuine coolant / ethylene-glycol antifreeze-coolant (AF-NAC or equivalent supercoolant), mixed per ambient temperature. Engine is liquid-cooled (shared 68E-88E block family, confirmed water-cooled on the 3-cylinder 3D68 sibling). |
| Fuel tank | 10.8 L (2.9 US gal) | Diesel fuel, ASTM D975 No. 2-D (or No. 1-D in cold weather below freezing) — low-sulfur diesel per current emissions spec for the machine's build year. |
| Hydraulic system total / hydraulic tank | 16.4 L (4.3 US gal) tank capacity — this is the OEM spec-sheet tank figure; total system-with-cylinders volume not separately documented | Komatsu Genuine hydraulic oil (HO series) or engine oil used as hydraulic fluid per shop-manual note (EO10W-30 equivalent) — small mini-excavators in this class commonly share engine-oil-grade fluid across the hydraulic and final-drive/swing circuits rather than a separate ISO-VG hydraulic oil. Confirm grade on the machine's own lube chart before topping off. |
| Final drive / travel motor (each side) | Not documented for this exact serial range in available sources — verify with a Komatsu dealer or the shop manual | SAE 30 engine oil (per Komatsu service guidance for this mini-excavator's travel/final-drive motors) — not a separate axle/gear oil on this size class. |
| Swing drive / swing motor | Not documented for this exact serial range in available sources — verify with a Komatsu dealer or the shop manual | Same engine-oil-grade fluid (EO10W-30 class) noted for the hydraulic/final-drive circuits on this mini-excavator family — no separate swing gearbox oil is broken out in available sources. |
| Grease (pins, bushings, boom/arm/bucket linkage) | Spec only — no fill quantity applicable | NLGI No. 2 multipurpose lithium grease (Komatsu Genuine grease), molybdenum-disulfide-fortified grade for high-load pin/bushing joints per general Komatsu mini-excavator lubrication practice. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu PC09-1-W(S/N 10001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the PC09-1-W(S/N 10001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
With no ECM or fault codes on this mechanical 2D70E/2D68E-N3C block, condition tracking relies on oil sampling and visual trending. Pull engine oil samples at each 250-hour change to watch for coolant intrusion or fuel dilution in the small 1.9L sump. Sample hydraulic oil from the 16.4L tank at 1000-hour intervals to catch pump or cylinder seal wear early. Track fuel filter debris load against the compact 10.8L tank capacity as an early water-contamination indicator.
Corrective & Common Repairs
Most field repairs on the PC09-1-W center on the mechanical fuel system, monitor lamp circuit, and control linkage rather than electronics. Check the control-pattern selector valve first on any bent-arm-cylinder complaint, since some units lack a relief valve on the ISO side and can be over-pressured if run in ISO pattern under load. Inspect swing and travel linkage pins for wear-induced slop, a common cause of sluggish response on this small hydraulic circuit.
Overhaul & Rebuild Points
When rebuilding, focus on the injection pump and nozzles first given the 2-cylinder engine's small fuel system tolerances, then the main hydraulic pump and swing motor. On the retractable undercarriage, inspect the slide-rail frame, stopper pins and track cylinders for wear before reassembly, since this mechanism sees more cycling stress than a fixed-width chassis. Reseal boom, arm and bucket cylinders as a set at major overhaul given their shared duty cycle.
Seasonal & Environment Servicing
Cold starts on the small indirect-injection diesel benefit from checking glow/preheat function and battery condition before winter use, since the low-displacement engine has little reserve compression heat. In hot or dusty environments, clean the compact radiator fins and air cleaner element more often than the standard 250-hour mark to protect the small cooling system. Flush and inspect the retractable undercarriage slide rails after work in mud or fine debris to prevent binding.
PC09-1-W(S/N 10001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM114654-55710 | Filter,Fuel | Fuel system service | Check fitment → |
| 20T-98-72410 | Plate? Caution,Engine Fuel Filter | Fuel system service | Check fitment → |
| 22F-98-17210 | Plate? Caution,Fuel Filter | Fuel system service | Check fitment → |
| 20T-98-72460 | Plate? Caution,Engine Oil Filter | Lubrication service | Check fitment → |
| 22F-98-17220 | Plate? Caution,Engine Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC09-1-W(S/N 10001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Oil Pressure Lamp (red) | Engine oil pressure below the normal operating range | Low oil level, clogged oil filter, worn oil pump, or a faulty oil pressure switch/sender | Stop the engine immediately, check oil level and top up, replace a clogged filter, then restart and confirm the lamp clears before resuming work |
| Charge Lamp (red, battery symbol) | Alternator is not charging the battery | Worn or slipping fan/alternator belt, faulty alternator, loose or corroded wiring connection | Check belt tension and condition, inspect battery terminals and wiring, test alternator output; do not continue operating with the lamp on for extended periods |
| Air Cleaner Clog Indicator (mechanical piston/dust indicator, no lamp on base spec) | Air cleaner element restriction has reached the service limit | Dust- or debris-loaded paper element, especially in demolition or dusty trenching work | Open the engine hood, inspect the indicator, clean or replace the element, and reset the indicator |
| Glow (Preheat) Lamp | Indicates the intake air preheat cycle is active before cold start | Normal cold-start sequence on the small in-line diesel; not itself a fault, but a lamp that stays on abnormally long points to a glow-plug or preheat-circuit problem | Wait for the lamp to go out before cranking; if it stays on well past the normal preheat time, check the glow-plug circuit and battery voltage |
| Coolant Temperature Warning (lamp or gauge, where fitted) | Engine coolant temperature above normal operating range | Low coolant level, clogged radiator fins, failed thermostat, or fan/belt issue on the water-cooled engine | Stop and let the engine cool, check coolant level and radiator for debris, verify fan belt condition before restarting |
| Monitor Panel Buzzer (accompanies oil pressure/charge lamps) | Audible alert paired with the oil pressure or charge lamp to flag an abnormal condition | Same root causes as the paired lamp (low oil pressure or charging-circuit fault) | Stop the machine, identify which lamp is lit alongside the buzzer, and address that system before resuming operation |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PC09-1-W(S/N 10001-UP) attachments & work tools
Buckets
Standard-duty (GD) pin-on digging buckets only, in widths roughly 150-600 mm (6-24 in), struck capacity about 0.016-0.025 m3. A wider grading/ditching bucket around 750 mm (30 in) is also used on this class. Digging force is low (about 10.5 kN / 1,075 kgf) so no HD/rock bucket line is offered for this micro class. Buckets mount by direct pin, not by coupler.
Hydraulic hammers
Factory literature lists an arm fitted for hydraulic breaker use as optional equipment on this excavator, so a one-way auxiliary circuit for a breaker was available from the factory. Matching breaker class is the smallest micro/mini hammer tier built for 0.6-1.2 ton carriers, roughly 15-30 kg tool weight, running at about 80-110 kgf/cm2 and 10-30 L/min - well within this machine's small pump output.
Quick couplers
No factory quick coupler is documented for this micro-class carrier; buckets stay pin-mounted because of the limited arm/bucket size and weight budget. Aftermarket mechanical pin-grabber couplers sized for sub-1-ton machines exist but are not a standard factory fitment for this class, verify fit with your dealer before ordering one.
Thumbs/grapples
Compact hydraulic thumb-clip or mechanical grapple attachments built for the 1-ton mini class can be fitted, using a small clamp span and running off the machine's auxiliary hydraulic line where a hydraulic thumb is used. No factory thumb kit is documented for this model; treat as aftermarket-only and confirm hydraulic hookup availability with your dealer.
Rippers
No dedicated ripper attachment is documented for this micro-excavator class. Its bucket digging force and boom/arm sizing are built for light trenching and confined-space digging, not rock ripping, so a ripper tooth is not a catalogued option for this model.
Hydraulic-kit notes
The only documented hydraulic-tool provision is the optional arm-mounted breaker piping (single, one-way auxiliary circuit) noted in factory material. A second (two-way/continuous) auxiliary circuit for rotating grapples or similar tools is not documented for this serial range - verify availability with your Komatsu dealer before specifying such tools.
All PC09-1-W(S/N 10001-UP) assemblies by section
Every catalogued assembly group for the Komatsu PC09-1-W(S/N 10001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
2d68e-N3cb Engine S/N N00101-Up
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Air Cleaner(#N00711-)
| YM***30 | Air Cleaner Ass'Y | 1 |
| YM***40 | Valve,Unloader | 1 |
| YM***30 | Cover Ass'Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Air Intake Manifold
| YM***82 | Bolt | 1 |
| YM***62 | Bolt Plated | 1 |
| YM***00 | Manifold,Air Intake | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Alternator (20a) (Inner Parts)(#N00711-)
| YM***00 | Stator Ass'Y | 1 |
| YM***02 | Alternator A. (20a) | 1 |
| YM***00 | Nut,Ball | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Alternator And Mounting (20a)(#N00711-)
| YM***40 | Screw | 1 |
| YM***00 | Plate,Adjust | 1 |
| YM***02 | Bolt | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Camshaft And Tappet
| YM***00 | Tappet | 4 |
| YM***50 | Retainer, Bearing | 1 |
| YM***80 | Camshaft Ass'Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Crankshaft
| YM***80 | Bolt | 1 |
| YM***41 | Washer | 1 |
| YM***00 | Crankshaft Ass'Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Cylinder Block
| YM***30 | Thrust Metal Ass'Y | 2 |
| YM***00 | Main Metal Ass'Y (Std) | 3 |
| YM***00 | Plug | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Cylinder Block Accsessory
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Cylinder Head
| YM***40 | Gasket (Kit) | 1 |
| YM***00 | Cotter | 8 |
| YM***00 | Plug | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Cylinder Head Cover(#N00711-)
| YM***00 | Pipe,Breather | 1 |
| YM***20 | Head Cover Ass'Y | 1 |
| YM***90 | Joint | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Drive Gear
| YM***22 | Retainer, Idle Gear | 1 |
| YM***02 | Nut | 1 |
| YM***00 | Ring, Snap | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Electrical Parts (Forwerded Individually Parts)(#N00711-)
| YM***10 | Relay,Stop Solenoid | 1 |
| YM***10 | Limiter,Current | 1 |
| YM***20 | Time Switch | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Exhaust Manifold(#N00711-)
| YM***10 | Gasket (Kit) | 1 |
| YM***00 | Manifold,Exhaust | 1 |
| YM***02 | Stud | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Flywheel And Flywheel Housing
| YM***20 | Bolt Plated | 3 |
| YM***01 | Housing,Flywheel | 1 |
| YM***20 | Parallel Pin | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Fornt Hanger(#N00711-)
| YM***00 | Hook,Front | 1 |
| YM***42 | Screw | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Front Cover Oil Pump(#N00711-)
| YM***22 | Housing Assembly., Gear | 1 |
| YM***40 | Cover | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Fuel Filter And Piping(#N00711-)
| YM***90 | Bolt Ass'Y | 1 |
| YM***00 | Fuel Feed Pump, Assembly | 1 |
| YM***10 | Filter,Fuel | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Fuel Filter(#N00711-)
| YM***40 | Lever | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Cartridge | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Fuel Injection Pump (Inner Parts)
| YM***02 | Screw | 1 |
| YM***50 | Shim Ass'Y | 2 |
| YM***90 | Spring | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Fuel Injection Pump Mounting
| YM***12 | Pipe,Injection? No.1 | 1 |
| YM***21 | Pipe,Injection? No.2 | 1 |
| YM***50 | Shim Ass'Y (Kit) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Fuel Nozzle And Spill Hose
| YM***40 | Spacer, Valve Stop | 1 |
| YM***01 | Swivel Joint, Assembly | 1 |
| YM***00 | Fuel Injection Valve, Assembly | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Gasket Kit(#N00711-)
| YM***10 | Gasket (Kit) | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***40 | Gasket (Kit) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Glow Plug
| YM***00 | Glow Plug | 2 |
| YM***20 | Connector | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Governor(#N00711-)
| YM***00 | Weight Ass'Y | 1 |
| YM***51 | Handle | 1 |
| YM***00 | Pin, Cotter | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Muffler(#N00711-)
| YM***10 | Muffler | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Oil Filter
| YM***50 | Nut | 1 |
| YM***10 | Stud | 1 |
| YM***50 | Cartridge,Engine Oil | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Oil Pan And Suction Tube
| YM***52 | Bolt Plated | 16 |
| YM***80 | Oil Pan Ass'Y | 1 |
| YM***02 | Bolt,Stop Lever | 3 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Piston And Connecting Rod
| YM***00 | Piston Ring Ass'Y | 1 |
| YM***10 | Bearing (--0.25 mm) | 1 |
| YM***80 | Piston Ass'Y | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Rear Hanger
| YM***00 | Hook,Rear | 1 |
| YM***22 | Screw | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Rocker Arm(#N00711-)
| YM***30 | Screw,Adjusting | 2 |
| YM***50 | Rocker Arm Ass'Y,Intake | 2 |
| YM***40 | Shaft Ass'Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Starting Motor (0.8kw) (Inner Parts)
| YM***00 | Stopper Set | 1 |
| YM***40 | Cover Ass'Y | 1 |
| YM***50 | Brush (+) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Starting Motor And Mounting (0.8kw)
| YM***52 | Screw | 2 |
| (Y***0) | Starting Motor Ass'Y,(0.8kw) (See Fig.A6210-C0a1) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Suction Pipe
| YM***22 | Screw | 2 |
| YM***30 | O-Ring (Kit) | 1 |
| YM***80 | Pipe,Inlet | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Tool
Komatsu : Pc09-1-W(S/N 10001-Up) : 2d68e-N3cb Engine S/N N00101-Up : Water Pump And Cooling Fan(#N00711-)
| YM***31 | Cover | 1 |
| YM***00 | Water Pump Ass'Y | 1 |
| YM***40 | Plug | 1 |
Accessory
Komatsu : Pc09-1-W(S/N 10001-Up) : Accessory : Cap And Overalls
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Accessory : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***17 | Nozzle | 1 |
Cooling System
Komatsu : Pc09-1-W(S/N 10001-Up) : Cooling System : Radiator And Piping (With Seat Belt)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 12 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Cooling System : Radiator And Piping (With Travel Alarm)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 12 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Electrical System
Komatsu : Pc09-1-W(S/N 10001-Up) : Electrical System : Battery And Wiring (For Kuc)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Electrical System : Electrical System (Instrument Panel)
| 01***16 | Bolt, Mounting Transmission Control Switch | 1 |
| 08***19 | Band - Tie Hose To Wire Harness | 1 |
| 08***00 | Switch, Starting - With Keys | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Electrical System : Electrical System (Main Harness And Related Parts) (Except Japan)
| 01***10 | Bolt - Relay And Flasher Mounting | 7 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 5 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Electrical System : Electrical System (Main Harness And Related Parts) (With Travel Alarm)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***12 | Screw (Without Radio Or Stereo) (2) | 4 |
| 01***10 | Bolt - Relay And Flasher Mounting | 7 |
Engine Related Parts
Komatsu : Pc09-1-W(S/N 10001-Up) : Engine Related Parts : Dumper
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 04***20 | Pin,Dowel (Welded) | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Engine Related Parts : Engine Mounting Parts (Air Cleaner And Muffler)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 6 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Engine Related Parts : Engine Mounting Parts (Bracket)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 14 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
Fuel Tank And Related Parts
Komatsu : Pc09-1-W(S/N 10001-Up) : Fuel Tank And Related Parts : Fuel Tank (Fuel Piping)
| 01***65 | Capscrew | 1 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Fuel Tank And Related Parts : Fuel Tank (Tank And Related Parts)
| 01***30 | Screw | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 1 |
Guard
Komatsu : Pc09-1-W(S/N 10001-Up) : Guard : Additional Weight
| 01***50 | Bolt,(Spark Arrester Spec.) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 21***12 | Weight | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Guard : Engine Hood (Hood) (With Seat Belt)
| 01***16 | Screw | 4 |
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Guard : Engine Hood (Related Parts) (With Seat Belt)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Hydraulic System
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Actuator Line (Arm? Boom Cylinder Line) (With Hose Guard)
| 08***34 | Tie, Cable | 1 |
| 20***92 | Tube | 1 |
| 21***80 | Hose | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Actuator Line (Swing Motor Line)
| 21***20 | Hose | 1 |
| 21***30 | Hose | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Actuator Line (Swivel Joint? Boom Swing Cylinder Line) (Variable Gauge Spec.)
| 21***71 | Hose,Blade Head | 2 |
| 21***81 | Hose,Blade Bottom | 1 |
| 21***41 | Hose | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Attachment Line (Chassis Side) (For Attachment)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 02***06 | Hose | 1 |
| 02***11 | Elbow | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Delivery Line (With Hose Guard)
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Hydraulic Tank
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 3 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Main Pump (Connecting Parts)
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Return Line
| 07***10 | Hose,Outlet | 1 |
| 07***35 | Clamp | 2 |
| 20***00 | Filter Ass'Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Return Line (For Attachment)
| 07***35 | Clamp | 2 |
| 20***00 | Filter Ass'Y | 1 |
| 20***10 | Head | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Hydraulic System : Suction Line
| 07***35 | Clamp | 2 |
| 21***11 | Hose | 1 |
Main/Revolving Frame And Related Parts
Komatsu : Pc09-1-W(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Boom Swing Cylinder (Tops)
| (7***1) | Cylinder Ass'Y,(See Fig.Y1620-51a1) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Revolving Frame
| 07***00 | Fitting, Grease - Upper Hinge Pin | 1 |
| 07***35 | Seal,Dust (Kit) | 2 |
| 21***13 | Frame,Revolving | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Revolving Frame Lubricating Line
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
| 21***11 | Nipple | 2 |
| 21***21 | Elbow | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Swing Bracket
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***95 | Capscrew | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Marks And Plates
Komatsu : Pc09-1-W(S/N 10001-Up) : Marks And Plates : Marks And Plates (English) (Variable Gauge Spec.) (Except Kue)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***03 | Plate? Safety,Caution From Flying Cyl. Plug | 2 |
| 09***01 | Plate? Operating,Work Equipment Control Lock Le | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Marks And Plates : Plate (Breaker Arm) (English) (Except Kue)
| 21***80 | Plate,Breaker Arm | 1 |
| 21***81 | Plate,Breaker Arm | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Marks And Plates : Plate (Lifting Capacity) (Except Kuc? Kue)
| 21***50 | Plate,Std Arm With Tops | 1 |
| 21***51 | Plate,Std Arm With Tops | 1 |
| 21***60 | Plate,Long Arm With Tops | 1 |
Operator'S Compartment And Control System
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Attachment Control Pedal
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***25 | Capscrew | 2 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Canopy (Tops)
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
| 21***11 | Canopy | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Floor Mat (For Attachment)
| 21***20 | Floor Mat | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Floor Mat (For Attachment) (Tops)
| 21***40 | Floor Mat | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 04***12 | Pin,Cotter(W/Vandalism Protection) | 1 |
| 04***20 | Pin | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Handrail (With Tops Canopy)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 21***20 | Bracket,L.H | 1 |
| 21***30 | Bracket,R.H | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control (Handrail) (Without Canopy)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control (Lever Stand And Fuel Control Cable) (Variable Gauge Spec.)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***25 | Screw | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control (Main Valve Connecting Parts) (Variable Gauge Spec.)
| 02***08 | O-Ring (Kit) | 8 |
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 6 |
| 07***11 | O-Ring,(Tm8202-009) | 19 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (2nd Speed Change Pedal And Variable Gauge Lever) (Variable Gauge Spec.)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***03 | Nut, L. H. Thread | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Blade)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 1 |
| 01***25 | Capscrew | 3 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Boom And Bucket)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 3 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***03 | Nut, L. H. Thread | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Boom Swing Control Pedal)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***16 | Screw | 2 |
| 01***25 | Screw | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Bracket And Travel)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***03 | Nut, L. H. Thread | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Bracket And Travel) (With Travel Alarm)
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***16 | Bolt | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Fuel Control)
| 01***35 | Bolt, Stopper | 1 |
| 01***12 | Screw | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Lock Lever)
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 2 |
| 04***24 | Pin, Spring | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Main Valve) (Variable Gauge Spec.)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 3 |
| (2***1) | Valve Ass'Y,(See Fig.Y1661-01a0) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Main Control Lever (Swing And Arm)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***03 | Nut, L. H. Thread | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Seat (Slide Type)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Seat Belt (2 Inches)
| 20***10 | Seat Belt Ass'Y,(Belt Width 2 Inch) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Operator'S Compartment And Control System : Seat Belt (3 Inches)
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 20***12 | Seat Belt Ass'Y | 1 |
| 21***20 | Collar | 2 |
Service Kit And Component Parts
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Arm Cylinder (Inner Parts)
| 02***08 | O-Ring (Kit) | 2 |
| 07***45 | O-Ring,(F4350-60a0 -9 ) | 1 |
| 07***48 | O-Ring, (Without Emergency Steering) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Blade Cylinder (Inner Parts)
| 02***08 | O-Ring (Kit) | 2 |
| 07***48 | O-Ring,(F4350-64a0 -21 ) | 1 |
| 07***45 | O-Ring,(F4350-60a0 -9 ) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Boom Cylinder (Inner Parts)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 02***08 | O-Ring (Kit) | 3 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Breaker (Inner Parts)
| 21***10 | Cap | 1 |
| 21***20 | Bolt,Cap | 1 |
| 21***30 | Washer,Seal | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Bucket Cylinder (Inner Parts)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 02***08 | O-Ring (Kit) | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Control Valve (10-Spool) (1/6) (Inner Parts) (Variable Gauge Spec.)
| 21***01 | Valve Ass'Y | 1 |
| NA***10 | O-Ring | 1 |
| NA***30 | Bolt,L=288mm | 3 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Control Valve (10-Spool) (2/6) (Inner Parts) (Variable Gauge Spec.)
| NA***64 | Screw | 2 |
| NA***10 | O-Ring | 1 |
| NA***00 | Ring,Back Up | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Control Valve (10-Spool) (3/6) (Inner Parts) (Variable Gauge Spec.)
| NA***64 | Screw | 4 |
| NA***01 | Valve Ass'Y,Swing | 1 |
| NA***10 | O-Ring | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Control Valve (10-Spool) (4/6) (Inner Parts) (Variable Gauge Spec.)
| NA***64 | Screw | 4 |
| NA***10 | O-Ring | 2 |
| NA***00 | Ring,Back Up | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Control Valve (10-Spool) (5/6) (Inner Parts) (Variable Gauge Spec.)
| NA***64 | Screw | 4 |
| NA***10 | O-Ring | 2 |
| NA***00 | Ring,Back Up | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Control Valve (10-Spool) (6/6) (Inner Parts) (Variable Gauge Spec.)
| NA***64 | Screw | 6 |
| NA***10 | O-Ring | 3 |
| NA***01 | Spool Ass'Y,Boom | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Hydraulic Pump (1/2) (Inner Parts)
| 04***15 | Ring, Snap | 1 |
| 70***10 | Shaft Seal | 1 |
| 70***70 | Plate | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Hydraulic Pump (2/2) (Inner Parts)
| (7***0) | Pump Ass'Y,(See Fig.Y1600-01a0) | 1 |
| (****0) | Seal,Ring | 1 |
| (****0) | Bushing,Plane (Driven Side) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Swing Cylinder (Inner Parts)
| 07***45 | O-Ring,(F4350-60a0 -9 ) | 1 |
| 07***48 | O-Ring, (Without Emergency Steering) | 1 |
| 07***25 | Bushing | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Swing Cylinder (Inner Parts) (Tops Canopy)
| 07***45 | O-Ring,(F4350-60a0 -9 ) | 1 |
| 07***48 | O-Ring, (Without Emergency Steering) | 1 |
| 07***25 | Bushing | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Swing Motor (Inner Parts)
| 20***00 | Motor Ass'Y | 1 |
| 20***30 | Spacer | 1 |
| 20***40 | Geroler Ass'Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Swivel Joint (Inner Parts) (Variable Gauge Spec.)
| 01***16 | Bolt (Op) | 4 |
| 04***18 | Ring,Snap (With Emergency Steering) | 1 |
| 70***50 | Swivel Joint Ass'Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Travel Motor (1/3) (Inner Parts)
| 22***02 | Travel Motor Ass'Y | 2 |
| FU***37 | Ring,Snap (K-1) | 6 |
| FU***21 | Washer,Thrust (K-1) | 6 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Travel Motor (2/3) (Inner Parts)
| FU***87 | Plug (K-4) | 1 |
| FU***32 | Ball | 2 |
| FU***90 | O-Ring (K-6) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Travel Motor (3/3) (Inner Parts)
| FU***36 | Service Kit,Hydraulic Motor | 1 |
| FU***36 | Service Kit,Body 1 | 1 |
| FU***27 | Plug | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Service Kit And Component Parts : Variable Gauge Cylinder (Inner Parts)
| 07***40 | O-Ring, Divider Valve Mounting | 1 |
| 07***37 | Ring,Snap | 1 |
| 20***60 | Bushing | 2 |
Swing Circle And Related Parts
Komatsu : Pc09-1-W(S/N 10001-Up) : Swing Circle And Related Parts : Swing Circle
| 01***35 | Bolt,(F4320-52a0 -5 ) | 9 |
| 01***45 | Bolt,(With Water Separator Type) | 12 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Swing Circle And Related Parts : Swing Machinery And Motor Mounting
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***30 | Screw | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Swing Circle And Related Parts : Swivel Joint (Connecting Parts) (Variable Gauge Spec.)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Travel And Lower Piping
Komatsu : Pc09-1-W(S/N 10001-Up) : Travel And Lower Piping : Lower Piping (Travel Motor? Gauge Cylinder Line) (Variable Gauge Spec.)
| 21***11 | Hose | 4 |
| 21***21 | Hose | 1 |
| 21***31 | Hose | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Travel And Lower Piping : Sprocket
| 01***20 | Bolt, Adapter Mounting | 18 |
| 21***10 | Sprocket | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Travel And Lower Piping : Travel Motor Mounting
| 01***20 | Screw | 16 |
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 4 |
| 07***08 | O-Ring,(Tm8202-005) | 2 |
Under Carriage
Komatsu : Pc09-1-W(S/N 10001-Up) : Under Carriage : Front Idler
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Under Carriage : Track Frame (Variable Gauge Spec.)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 8 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***13 | Nut,(For Adjustable Rod) | 8 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Under Carriage : Track Frame Cover (Variable Gauge Spec.)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***80 | Screw | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Under Carriage : Track Roller
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 04***12 | Ring, Snap (4) | 2 |
| 06***05 | Bearing | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Under Carriage : Track Shoe (Rubber Shoe)
| 21***11 | Rubber Shoe | 2 |
Work Equipment
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Arm (With Hose Guard)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Arm Cylinder
| (7***0) | Cylinder Ass'Y,(See Fig.Y1620-11a0) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Attachment Line (Attachment Side) (For Attachment) (With Hose Guard)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Blade (Variable Gauge Spec.)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
| 20***20 | Bushing | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Blade Cylinder
| (7***0) | Cylinder Ass'Y,(See Fig.Y1621-01a0) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Boom
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Boom (For Attachment)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Boom Cylinder
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Breaker Accessary (Wide Chisel)
| 21***20 | Chisel,Wide X-X | 1 |
| 21***30 | Chisel,Wide Y-Y | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Breaker Arm (With Hose Guard)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***50 | Capscrew - M20 X 2.50 | 2 |
| 01***60 | Screw | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Breaker Arm Line (Breaker Arm Spec.) (With Hose Guard)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket (0.016m3) Width 250mm
| 20***20 | Tooth (Welded) | 2 |
| 20***20 | Edge (Welded) | 1 |
| 21***60 | Edge,Side (Welded) | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket (0.016m3) Width 250mm (Breaker Arm Spec.)
| 20***20 | Tooth (Welded) | 2 |
| 20***20 | Edge (Welded) | 1 |
| 21***60 | Edge,Side (Welded) | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket (0.022m3) Width 350mm
| 21***60 | Edge,Side (Welded) | 2 |
| 21***11 | Bucket | 1 |
| 21***12 | Bucket | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket (0.022m3) Width 350mm (Breaker Arm Spec.)
| 21***60 | Edge,Side (Welded) | 2 |
| 21***20 | Tooth Ass'Y (Welded) | 1 |
| 21***11 | Bucket | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket (0.025m3) Width 400mm
| 20***20 | Tooth (Welded) | 4 |
| 20***20 | Edge (Welded) | 1 |
| 21***60 | Edge,Side (Welded) | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket Cylinder
| (7***0) | Cylinder Ass'Y,(See Fig.Y1620-41a0) | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket Link
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket Link (Breaker Arm Spec.)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket Pin
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Bucket Quick Coupler
| 07***25 | O-Ring,Corrosion Resistor | 1 |
| 21***20 | Pin | 3 |
| 21***30 | Spacer | 1 |
Komatsu : Pc09-1-W(S/N 10001-Up) : Work Equipment : Long Arm (With Hose Guard)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Frequently asked questions
What engine does the Komatsu PC09-1-W (S/N 10001-UP) use?
It uses a Komatsu 2D70E / 2D68E-N3C 2-cylinder, water-cooled, indirect-injection diesel of 0.569L displacement, producing roughly 6.5-6.8 kW (8.7-9.1 HP) at 2200 rpm, with fully mechanical controls and no electronic fault-code system.
What is the operating weight of the PC09-1-W?
Operating weight runs approximately 880-1,080 kg depending on configuration and source; treat the wider figure as a configuration-dependent range rather than a single fixed spec.
What replaced the Komatsu PC09-1-W?
A confirmed direct successor model is not documented for this exact serial range and configuration; verify current-production equivalents with your Komatsu dealer.
What PC09-1-W(S/N 10001-UP) owners discuss
What's the most commonly reported hydraulic problem on this micro excavator?
Owners of these small diggers have reported the arm cylinder bending under ordinary digging load when the control pattern selector is left in ISO mode instead of backhoe. Factory techs traced this to the ISO side of the pattern selector not carrying its own relief valve, so pressure that would normally be capped on the backhoe side isn't capped on ISO. A rod that bends once can also yield enough that it bends more easily on later loads, even at lower force, so a recurring bent cylinder isn't always a parts defect. Check which control pattern the machine is set to before assuming a hydraulic component failure. Have your dealer verify relief-valve settings on both pattern sides before the machine goes back to work.
What should I expect from the engine on this class of micro excavator?
The small diesel fitted to this range is a mechanical, non-ECM block with no electronic fault-code system, so diagnosis comes down to fuel, air, and compression rather than scan-tool codes. Reports on this size of machine describe the engine as durable if fuel stays clean and filters are changed on schedule; most power-loss complaints trace back to contaminated fuel or a neglected air filter rather than internal engine wear. Being non-turbo and low-displacement, it will feel flat or gutless well before anything is actually worn out if the air filter clogs or fuel goes stale, so rule those out first.
What electrical or starting issues come up most on machines this size?
Starting complaints on this class of machine tend to trace back to grounding and charging rather than any control module: corroded battery terminals, a loose ground strap, or a fuse that tests fine cold but opens once it's warm and under load. A battery that goes flat overnight after a battery swap or jump start has, in some cases, been traced to a glow-plug relay circuit staying energized; pulling that fuse and watching for drain isolates it quickly. Chase random no-start or dash dropout at the ground straps and battery terminals before condemning any electrical part.
How does the undercarriage hold up, and what wear points should I watch?
The rubber-tracked undercarriage on this weight class sees moderate roller, idler, and pad wear under normal use; tearing or uneven edge wear usually points to running the tracks too tight in hot weather rather than a defect. Check tension cold - a mini excavator this size should show light sag at the midpoint between idler and sprocket, and needs retensioning if you can lift the track well clear of the roller. This model's retractable undercarriage, which narrows the track gauge for doorway clearance, adds a wear point at the slide mechanism; sticky or uneven side-to-side retraction is worth having your dealer inspect at the slide rails and cylinder before it binds up completely.
Are hydraulic movements smooth from a cold start, or does the machine need a warm-up?
Small open-center hydraulic systems like this one commonly feel stiff or slow to lift on a cold start and loosen up noticeably after 20 to 30 minutes of running - normal behavior in cool weather, not a fault on its own. If the machine still struggles to lift after a full warm-up, or if hydraulics work fine cold but fade after several hours of continuous work, that points to a pump or relief-valve problem instead of simple cold oil and is worth a dealer diagnosis rather than waiting it out.
What should I check before buying a used PC09-1-W(S/N 10001-UP)?
Cycle the retractable undercarriage fully in and out and confirm both sides move together evenly; uneven retraction points to a worn slide or a weak cylinder. Set the control pattern to backhoe and run the arm to full extension and full curl under load, watching for a bent or straightened rod - a known weak point on these small diggers when run in ISO pattern instead. Check the cast body and metal bonnet for impact damage that could be hiding frame or hydraulic-line damage underneath. Confirm hydraulic response is even on both sides and doesn't lag excessively when cold, and check engine and hydraulic oil color for contamination. Because machines this size accumulate hours slowly under light-duty use, a high indicated hour count paired with heavy wear deserves extra scrutiny. Have your dealer verify hydraulic relief pressures and control-pattern settings as part of a pre-purchase inspection.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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