Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PC15-3(S/N 5001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC15-3 is a 1.5-ton mini excavator from the third generation of the PC15 series, produced for serial numbers 5001 and up. It is powered by the Komatsu 3D84N-2K diesel engine. The machine features a compact tail swing design, allowing it to operate in tight spaces while providing full 360-degree rotation. Configurations typically include a standard cab or canopy, various boom styles, and multiple track shoe widths to suit different ground conditions. It succeeded the PC15-2 series and was eventually replaced by the PC15R-8 series in Komatsu's lineup.
The PC15-3 represents a shift toward more refined hydraulic control and improved fuel efficiency compared to its predecessor. In the used market, it remains relevant due to its simple mechanical architecture and widespread availability of parts. The transition to the PC15R-8 introduced electronic controls and stricter emissions compliance, making the PC15-3 a preferred choice for operators seeking reliable, mechanically straightforward equipment that is easier and cheaper to maintain in older fleets.
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 PC15-3(S/N 5001-UP) specifications
Engine
| Model | 3D84N-2K |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | Not documented for this exact serial range — verify with your dealer |
| Ground Pressure | Not documented for this exact serial range — verify with your dealer |
| Transport Weight | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Transport Length | Not documented for this exact serial range — verify with your dealer |
| Transport Width | Not documented for this exact serial range — verify with your dealer |
| Transport Height | Not documented for this exact serial range — verify with your dealer |
| Tail Swing Radius | Not documented for this exact serial range — verify with your dealer |
| Track Shoe Width | Not documented for this exact serial range — verify with your dealer |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
| Undercarriage Length | Not documented for this exact serial range — verify with your dealer |
Performance
| Max Dig Depth | Not documented for this exact serial range — verify with your dealer |
| Max Reach at Ground | Not documented for this exact serial range — verify with your dealer |
| Max Dump Height | Not documented for this exact serial range — verify with your dealer |
| Max Cutting Height | Not documented for this exact serial range — verify with your dealer |
| Swing Speed | Not documented for this exact serial range — verify with your dealer |
| Travel Speed | Not documented for this exact serial range — verify with your dealer |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
| Drawbar Pull | Not documented for this exact serial range — verify with your dealer |
Forces
| Bucket Digging Force | Not documented for this exact serial range — verify with your dealer |
| Stick/Arm Digging Force | Not documented for this exact serial range — verify with your dealer |
Service Capacities (Summary)
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System/Tank | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu PC15-3(S/N 5001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the PC15-3(S/N 5001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor hydraulic oil pressure at the pump outlet and control valve ports to detect internal wear in the 7-spool valve. Check the KOWA oil analysis results for iron and copper levels in the hydraulic system to predict pump and valve failure. Inspect the engine oil for fuel dilution, which indicates worn piston rings or injector leaks in the 3D84N-2K engine. Track coolant pH levels to prevent corrosion in the aluminum cylinder head and cast iron block. Monitor the air filter restriction indicator; a red flag signals immediate cleaning or replacement to protect the turbocharger and engine internals.
Corrective & Common Repairs
Address hydraulic drift in the boom or arm by inspecting the cylinder seals and the swing motor brake for slippage. Replace worn track shoes and adjust the track tension to prevent derailment and excessive roller wear. Repair hydraulic hose leaks at the center swivel joint, a common failure point due to flexing. Fix electrical issues in the monitor panel by checking connectors and ground straps. Replace the fuel injection nozzles if the engine exhibits black smoke or hard starting. Inspect the swing circle for play and replace the rollers if noise or vibration is detected during rotation.
Overhaul & Rebuild Points
Rebuild the hydraulic pump when flow output drops below specification or internal pressure cannot be maintained. Overhaul the swing motor if excessive backlash or loss of holding power occurs despite brake adjustment. Rebuild the travel motors if final drive oil becomes contaminated with metal particles or if travel speed is uneven. Replace the cylinder pistons and rods when scoring or pitting exceeds allowable limits. Rebuild the engine if compression pressure falls below standard or if oil consumption exceeds limits due to worn valve guides and seals.
Seasonal & Environment Servicing
In cold weather, use low-viscosity engine oil and ensure the coolant mixture provides adequate freeze protection. Preheat the engine with the intake heater before starting in sub-zero temperatures. In hot climates, frequently clean the radiator and oil cooler fins to prevent overheating. Check the hydraulic oil temperature gauge; if it runs hot, inspect the cooler fan and oil cooler for blockage. In dusty environments, clean the air cleaner pre-cleaner more frequently and monitor the restriction indicator closely. Protect electrical components from water ingress during high-pressure washing.
PC15-3(S/N 5001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM171051-92760 | Wrench,Fuel Filter? Water Separator | Fuel system service | Check fitment → |
| YM129100-55650 | Element,Fuel Filter | Fuel system service | Check fitment → |
| YM129100-55621 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 20T-98-72410 | Plate? Caution,Engine Fuel Filter | Fuel system service | Check fitment → |
| 07000-02080 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC15-3(S/N 5001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E03 | Swing parking brake system fault | Swing parking brake solenoid valve circuit short or open; brake mechanism failure | Inspect swing parking brake solenoid valve wiring and connections; check brake operation and hydraulic pressure |
| E05 | Governor motor system fault | Governor motor circuit open or short; governor motor adjustment failure | Check governor motor electrical connections and circuit integrity; verify governor motor adjustment and operation |
| E10 | Engine controller power failure or engine control drive system malfunction | Engine controller power supply issue; engine control drive system circuit fault | Verify engine controller power supply and ground connections; inspect engine control drive system circuits |
| E11 | Engine control system failure (output power reduction for protection) | Critical engine control system fault triggering power derate | Check engine control system sensors and wiring; inspect for conditions triggering power reduction |
| E15 | Engine sensor malfunction (temperature, fuel pressure, oil pressure) | Fault in engine temperature, fuel pressure, or oil pressure sensor or circuit | Test engine temperature, fuel pressure, and oil pressure sensors and their wiring harnesses |
| E202 | LS select solenoid valve circuit short circuit | LS select solenoid valve electrical short | Inspect LS select solenoid valve wiring for shorts; check solenoid valve resistance |
| E203 | Rotary parking brake solenoid valve circuit short circuit | Rotary parking brake solenoid valve electrical short | Inspect rotary parking brake solenoid valve wiring for shorts; check solenoid valve operation |
| E227 | Abnormal engine speed sensor | Engine speed sensor fault or signal irregularity | Check engine speed sensor wiring and connections; verify sensor signal output |
| E306 | Abnormal feedback potential circuit | Feedback potential circuit fault in control system | Inspect feedback potential circuit wiring and connections; check control system components |
| E316 | Governor motor out of adjustment | Governor motor mechanical or electrical misalignment | Adjust governor motor per specifications; check for mechanical binding or electrical issues |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PC15-3(S/N 5001-UP) attachments & work tools
Buckets
Standard configurations for the Komatsu PC15-3 utilize an 18-inch (457 mm) bucket width. Factory specifications for the PC15 series indicate a standard bucket capacity of 0.05 cubic meters (0.07 cubic yards). Variations in capacity and width exist across the PC15 model lineage, varying by configuration/series.
Hydraulic hammers
The Komatsu PC15-3 falls within the 1.5 to 2.0 tonne operating weight class. Compatible hydraulic breakers are typically rated in the 100 to 200 kg (220 to 440 lb) class. Specific breaker model selection depends on the machine's auxiliary hydraulic flow and pressure capabilities.
Quick couplers
Mechanical pin grab couplers are the standard attachment interface for this excavator class. Compatibility requires matching the coupler width to the 18-inch (457 mm) bucket width and verifying pin diameter specifications with the attachment manufacturer.
Thumbs/grapples
Hydraulic thumbs are the primary grapple option for the PC15-3, with common widths ranging from 18 to 21 inches (457 to 533 mm). Pin-on hydraulic thumbs are standard for this size class; mechanical thumbs are less common due to the machine's limited auxiliary flow.
Rippers
Frost rippers or stump splitters are the standard ripper attachments for the PC15-3. These tools are typically mounted via a pin-on interface or a quick coupler system compatible with the machine's stick geometry.
Hydraulic-kit notes
The Komatsu PC15-3 utilizes a standard medium-pressure auxiliary hydraulic circuit. High-flow circuits are not standard for this model and are generally not required for compatible thumb or breaker kits. Verify specific flow requirements with the attachment manufacturer before installation.
All PC15-3(S/N 5001-UP) assemblies by section
Every catalogued assembly group for the Komatsu PC15-3(S/N 5001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
3d82e-3b Engine S/N 00101-Up
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Air Cleaner And Mounting
| YM***41 | Buffle | 1 |
| YM***10 | Support | 1 |
| YM***10 | Cap | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Air Intake Manifold And Connection
| YM***81 | Pipe | 1 |
| YM***52 | Screw | 4 |
| YM***00 | Heater,Intake Air | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Alternator (20a)
| YM***00 | Stator Ass'Y | 1 |
| YM***10 | Bearing,Ball | 1 |
| YM***02 | Alternator A. (20a) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Alternator And Mounting (20a)
| YM***70 | Stud | 1 |
| YM***02 | Nut | 1 |
| YM***52 | Screw | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Camshaft And Tappet
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***00 | Rod,Push | 6 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***80 | Parallel Pin | 1 |
| YM***50 | Pulley,Crank | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Cylinder Block
| YM***00 | Gauge, Oil Level | 1 |
| YM***30 | Thrust Metal Ass'Y (Std) | 2 |
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Cylinder Head
| YM***80 | Retainer, Spring | 6 |
| YM***00 | Guide,Valve? Exhaust | 6 |
| YM***00 | Plug | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Exhaust Manifold And Muffler
| YM***02 | Stud | 2 |
| YM***80 | Collar | 1 |
| YM***22 | Stud | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Flywheel And Flywheel Housing
| YM***50 | Oil Seal Case, Assembly | 1 |
| YM***80 | Seal? Rear | 1 |
| YM***02 | Screw | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Front Cover
| YM***02 | Bolt Plated | 2 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***52 | Bolt | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Fuel Filter And Piping
| YM***70 | Union | 1 |
| YM***40 | Lever | 1 |
| YM***00 | O-Ring (Kit) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (1/2)
| YM***40 | Lever,Control | 1 |
| YM***30 | Spacer,Lever Shaft | 1 |
| YM***02 | Nut | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (2/2)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***50 | Angleich Ass'Y | 1 |
| YM***00 | Washer,Spring | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (1/2)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (2/2)
| YM***70 | Retainer, Spring | 3 |
| YM***00 | Plunger W/Barrel | 3 |
| YM***02 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***20 | Pipe,Injection? No.2 | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Fuel Nozzle And Spill Pipe
| YM***20 | Spring | 1 |
| YM***00 | Fuel Nozzle Ass'Y | 3 |
| YM***50 | Nozzle, Assembly | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Gasket Kit
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***00 | Gasket Kit | 1 |
| YM***40 | O-Ring,Drain Plug | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***02 | Bolt Plated | 3 |
| YM***00 | Valve,Relief | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Lubricating Oil Pump And Piping
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***00 | Oil Pump Ass'Y | 1 |
| YM***02 | Seal,Ring (Kit) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Oil Pan
| YM***40 | Plug,Drain | 1 |
| YM***52 | Screw | 22 |
| YM***40 | Plug,Drain | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Piston And Connecting Rod
| YM***00 | Connecting Rod, Assembly | 3 |
| YM***80 | Piston, Assembly | 3 |
| YM***00 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Rocker Arm
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
| YM***40 | Rocker Shaft | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Safety Relay? Current Limiter? Charge Indicator? Grow Relay And Timer
| YM***21 | Indicator, Charging | 1 |
| YM***20 | Timer,Solenoid | 1 |
| YM***10 | Relay,Stop Solenoid | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Starting Motor And Mounting
| YM***52 | Bolt Plated | 2 |
| (Y***0) | Starting Motor Ass'Y,(See Fig.A6210-B0a2a) | 1 |
| (Y***0) | Starting Motor Ass'Y,(See Fig.A6210-B0a2) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Starting Motor(#00101-09680)
| YM***20 | Pinion,Pinion | 1 |
| YM***80 | Catch | 1 |
| YM***70 | Nut | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Tool
| YM***60 | Wrench,Fuel Filter? Water Separator | 1 |
| YM***50 | Screw Driver | 1 |
| YM***20 | Flex Horn (Option.) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Water Pump And Cooling Fan
| YM***02 | Bolt Plated | 2 |
| YM***02 | Screw | 4 |
| YM***20 | O-Ring,(Not Shown) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d82e-3b Engine S/N 00101-Up : Water Separator
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
3d84n-2k Engine S/N 03157-Up
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Air Cleaner And Mounting
| YM***41 | Buffle | 1 |
| YM***10 | Cap | 1 |
| YM***30 | Pan,Dust | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Air Intake Manifold And Connection
| YM***01 | Heater,Intake Air | 1 |
| YM***00 | Manifold,Air Intake | 1 |
| YM***52 | Screw | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Alternator (20a)
| YM***00 | Stator Ass'Y | 1 |
| YM***10 | Bearing,Ball | 1 |
| YM***02 | Alternator A. (20a) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Alternator And Mounting (20a)
| YM***30 | Plate,Adjust | 1 |
| YM***70 | Stud | 1 |
| YM***02 | Nut | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Camshaft And Tappet
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***11 | Camshaft | 1 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Crankshaft
| YM***60 | Parallel Pin | 1 |
| YM***00 | Gear,Crank | 1 |
| YM***01 | Ball,Steel | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Cylinder Block
| YM***00 | Gauge, Oil Level | 1 |
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
| YM***20 | Screw | 8 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Cylinder Head
| YM***80 | Retainer, Spring | 6 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 3 |
| YM***10 | Valve,Exhaust | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Engine Stop Motor And Mounting
| YM***80 | Ring,Snap | 1 |
| YM***00 | Pin,Cotter | 1 |
| YM***90 | Washer | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Exhaust Manifold And Muffler
| YM***00 | Manifold,Exhaust | 1 |
| YM***22 | Stud | 4 |
| YM***00 | Gasket,Muffler | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Flywheel And Flywheel Housing
| YM***02 | Screw | 6 |
| YM***02 | Screw | 4 |
| YM***80 | Parallel Pin | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Front Cover
| YM***02 | Bolt Plated | 2 |
| YM***10 | Washer,Seal | 5 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Fuel Filter And Piping
| YM***70 | Union | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***51 | Check Valve Ass'Y,Joint | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Fuel Injection Pump (Governor) (1/2)
| YM***02 | Lever Ass'Y,Stop | 1 |
| YM***10 | Pin,Stop Lever | 1 |
| YM***00 | O-Ring (Kit) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Fuel Injection Pump (Governor) (2/2)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***90 | Shaft,Governor Lever | 1 |
| YM***50 | Angleich Ass'Y | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Fuel Injection Pump (Pump) (1/2)
| YM***90 | Injection Pump Ass'Y | 1 |
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Fuel Injection Pump (Pump) (2/2)
| YM***70 | Retainer, Spring | 3 |
| YM***00 | Plunger Ass'Y | 3 |
| YM***02 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***30 | Bolt | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Fuel Nozzle And Spill Pipe
| YM***20 | Spring | 1 |
| YM***00 | Fuel Injection Nozzle, Assembly | 1 |
| YM***80 | Seat,Nozzle (Kit) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Gasket Kit
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***10 | Gasket (Kit) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***02 | Bolt Plated | 3 |
| YM***50 | Cartridge,Engine | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-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 : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Oil Pan
| YM***50 | O-Ring | 1 |
| YM***02 | Screw | 4 |
| YM***40 | O-Ring,Drain Plug | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Piston And Connecting Rod
| YM***00 | Screw | 2 |
| YM***00 | Crank Pin Metal A. (Std) | 1 |
| YM***00 | Piston Ring Ass'Y | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Rocker Arm
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
| YM***00 | Plug | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Safety Relay? Current Limiter And Charge Indicator
| YM***21 | Indicator, Charging | 1 |
| YM***11 | Limiter, Current | 1 |
| YM***00 | Relay, Safety | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Starting Motor (1.8kw)
| YM***40 | Bolt,Through | 2 |
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***30 | Coil Ass'Y,Field | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Starting Motor And Mounting (1.8kw)
| YM***52 | Bolt Plated | 2 |
| (Y***0) | Starting Motor Ass'Y,(1.8kw) (See Fig.0662) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Water Pump And Cooling Fan
| YM***20 | Gasket,Water Pump | 1 |
| YM***02 | Screw | 4 |
| YM***30 | Cover | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : 3d84n-2k Engine S/N 03157-Up : Water Separator
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
Accessory
Komatsu : Pc15-3(S/N 5001-Up) : Accessory : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***22 | Nozzle, Grease Pump | 1 |
Cooling System
Komatsu : Pc15-3(S/N 5001-Up) : Cooling System : Radiator And Piping (For Attachment Piping)(#5001-6221)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***14 | Bolt | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Cooling System : Radiator And Piping(#5001-6221)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***14 | Bolt | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Cooling System : Radiator And Piping(#6222-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***14 | Bolt | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Cooling System : Reserve Tank And Piping
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Electrical System
Komatsu : Pc15-3(S/N 5001-Up) : Electrical System : Battery
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
| 01***08 | Washer,(For Mounting First Aid Kit) | 2 |
| 08***07 | Battery (65d31r) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Electrical System : Electrical System (Engine? Horn And Sensor Line)
| 01***10 | Bolt - Relay And Flasher Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Electrical System : Electrical System (Instrument Panel Line)(#5001-6221)
| 01***16 | Screw | 2 |
| 01***20 | Screw | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Electrical System : Electrical System (Instrument Panel Line)(#6222-)
| 01***12 | Bolt | 1 |
| 01***16 | Screw | 2 |
| 01***20 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Electrical System : Electrical System (Wiper Motor Line) (For Cab)(#5001-6221)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 08***10 | Clip,See Fig. K4010-06a0 | 2 |
| 20***20 | Spacer | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Electrical System : Electrical System (Wiper Motor Line) (For Cab)(#6222-)
| 20***20 | Spacer | 1 |
| 20***10 | Plate | 1 |
| 20***21 | Wiring Harness | 1 |
Engine Related Parts
Komatsu : Pc15-3(S/N 5001-Up) : Engine Related Parts : Engine Mounting Parts(#5001-6221)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : Pc15-3(S/N 5001-Up) : Engine Related Parts : Engine Mounting Parts(#6222-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : Pc15-3(S/N 5001-Up) : Engine Related Parts : Engine Related Parts(#5001-6221)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : Pc15-3(S/N 5001-Up) : Engine Related Parts : Engine Related Parts(#6222-)
| 01***60 | Bolt,(For Japan And Sweden) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Engine Related Parts : Fuel Control Lever And Linkage(#5001-6221)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Engine Related Parts : Fuel Control Lever And Linkage(#6222-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Engine Related Parts : Power Take Off
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Fuel Tank And Related Parts
Komatsu : Pc15-3(S/N 5001-Up) : Fuel Tank And Related Parts : Fuel Piping
| 01***65 | Bolt,R.H | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Fuel Tank And Related Parts : Fuel Tank
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***10 | Screw | 5 |
| 01***08 | Washer | 5 |
Guard
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Battery Cover And Tank Cover
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Counter Weight
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***70 | Bolt,Rear Carrier (With Gumpad) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Counter Weight (For Breaker)(#6222-)
| 01***40 | Bolt,(With Service Valve R.H.) | 3 |
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***70 | Bolt,Rear Carrier (With Gumpad) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Counter Weight (For Rear Protector)
| 01***55 | Bolt,(For Reinforced Type) | 4 |
| 01***70 | Bolt,Rear Carrier (With Gumpad) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Engine Hood (1/3)(#5001-6221)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Engine Hood (1/3)(#6222-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Engine Hood (2/3)(#5001-6221)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Engine Hood (2/3)(#6222-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Engine Hood (3/3)(#5001-6221)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Engine Hood (3/3)(#6222-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***12 | Washer,(With Body Positioner) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Guard : Rear Protector
| 01***95 | Bolt,Rear | 2 |
| 01***35 | Screw | 8 |
| 01***35 | Screw | 6 |
Hydraulic System
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : E.P.C. Valve (Inner Parts)(#6222-)
| 07***23 | O-Ring,(F4320-61a0 -29 ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
| 20***21 | Solenoid Valve Ass'Y | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(1/2)(#5001-6221)
| 01***10 | Bolt | 4 |
| 01***16 | Bolt (Op) | 4 |
| 01***20 | Bolt (Itl) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(1/2)(#6222-)
| 01***10 | Bolt | 2 |
| 01***16 | Bolt (Op) | 2 |
| 01***20 | Bolt (Itl) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(2/2)(#5001-6221)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool)(2/2)(#6222-)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (3-Spool) (1/2) (For Power Tilt Mechanical Angle Blade)
| 01***10 | Bolt | 6 |
| 01***16 | Bolt (Op) | 6 |
| 01***20 | Bolt (Itl) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (3-Spool) (2/2) (For Rower Tilt Mechanical Angle Blade)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(1/3)(#5001-6221)
| 01***10 | Bolt | 6 |
| 01***16 | Bolt (Op) | 4 |
| 01***20 | Bolt (Itl) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(1/3)(#6222-)
| 01***10 | Bolt | 4 |
| 01***16 | Bolt (Op) | 4 |
| 01***20 | Bolt (Itl) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(2/3)(#5001-6221)
| 01***10 | Bolt | 6 |
| 01***16 | Bolt (Op) | 8 |
| 01***18 | Bolt, Mount Cover | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(2/3)(#6222-)
| 01***10 | Bolt | 2 |
| 01***16 | Bolt (Op) | 4 |
| 01***18 | Bolt, Mount Cover | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(3/3)(#5001-6221)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool)(3/3)(#6222-)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Arm And Bucket Cylinder Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
| 20***30 | Nipple | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Blade Cylinder Line) (Upper)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***60 | Elbow | 2 |
| 20***60 | Nipple,(For 20p-62-72566 Hose) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Blade Cylinder Line) (Upper) (For Power Tilt Mechanical Angle Blade)(#5001-6221)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
| 20***60 | Elbow | 4 |
| 20***60 | Nipple,(For 20p-62-72566 Hose) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Boom Cylinder Line)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***30 | Nipple | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Boom Swing Cylinder Line)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 07***10 | Elbow,(For Long Lever Control) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Drain Line)(#5001-6221)
| 07***34 | O-Ring,(For Without Brake Assistor) | 1 |
| 07***18 | Tube | 1 |
| 07***12 | Sleeve,(For Long Lever Control) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Drain Line)(#6222-)
| 07***34 | O-Ring,(For Without Brake Assistor) | 1 |
| 07***12 | Sleeve,(For Long Lever Control) | 4 |
| 07***14 | Nut,(For Long Lever Control) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (For Attachment Piping Line) (Boom Side)(#5001-6221)
| 01***35 | Bolt,(For Position Fixing) | 6 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (For Attachment Piping Line) (Chassis Side)(#5001-6221)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 20***00 | Valve Ass'Y,3-Way | 1 |
| 20***40 | Nipple | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Oil Cooler And Return Line) (For Attachment Piping)(#5001-6221)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Oil Cooler And Return Line)(#5001-6221)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 3 |
| 07***15 | Elbow,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Oil Cooler And Return Line)(#6222-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 3 |
| 07***15 | Elbow,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Suction And Delivery Line)(#5001-6221)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***30 | Bolt,(For Mechanical Governor) | 25 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Suction And Delivery Line)(#6222-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***30 | Bolt,(For Mechanical Governor) | 13 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Swing Motor Line)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***11 | Plug,Without Automatic Air Bleeding | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Travel Motor Line) (Upper)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Piping (Travel Motor Line) (Upper) (For Power Tilt Mechanicnical Angle Blade)(#5001-6221)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Pump (1/3) (Except Japan)(#5001-6221)
| 01***70 | Bolt | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Pump (1/4) (Except Japan)(#6222-)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 04***15 | Ring, Snap | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Pump (2/3) (Except Japan)(#5001-6221)
| 01***23 | Washer,(For Shipping) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 70***60 | Seal,Ring | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Pump (2/4) (Except Japan)(#6222-)
| 01***23 | Washer,(For Shipping) | 8 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Pump (3/3) (Except Japan)(#5001-6221)
| 01***23 | Washer,(For Shipping) | 8 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 07***21 | O-Ring,Water Piping | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Pump (3/4) (Except Japan)(#6222-)
| 01***23 | Washer,(For Shipping) | 4 |
| 70***60 | Seal,Ring | 1 |
| 70***60 | Seal, Ring | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Pump (4/4) (Except Japan)(#6222-)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 2 |
| 70***60 | Seal, Ring | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Tank(#5001-6221)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Hydraulic Tank(#6222-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : P.P.C. Line (1/4)(#6222-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : P.P.C. Line (2/4)(#6222-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 8 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : P.P.C. Line (3/4)(#6222-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 8 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : P.P.C. Line (4/4) (For Multple Pattern)(#6222-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 8 |
| 08***36 | Band,(For 2nd Travel Speed) (Op) | 8 |
| 20***50 | Hose | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : P.P.C. Line (4/4)(#6222-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 8 |
| 08***36 | Band,(For 2nd Travel Speed) (Op) | 4 |
| 20***70 | Sheet | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : P.P.C. Line (Elbow) (For Multple Pattern)(#6222-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***23 | O-Ring,(Crusher?Other Att.For Ppc Con | 16 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : P.P.C. Valve (Work Equipment) (Inner Parts)(#6222-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Select Valve (For Multple Pattern)(#6222-)
| 01***25 | Bolt,(For Automatic) | 2 |
| 01***16 | Bolt (Op) | 18 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Hydraulic System : Suction Valve(#6222-)
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
| 70***00 | Valve Ass'Y,Suction | 1 |
Main/Revolving Frame And Related Parts
Komatsu : Pc15-3(S/N 5001-Up) : Main/Revolving Frame And Related Parts : Boom Swing Bracket
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Main/Revolving Frame And Related Parts : Boom Swing Cylinder
| 01***24 | Nut,Bearing | 1 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
| 07***75 | O-Ring,Cylinder Head | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Main/Revolving Frame And Related Parts : Revolving Frame(#5001-6221)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Main/Revolving Frame And Related Parts : Revolving Frame(#6222-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
Marks And Plates
Komatsu : Pc15-3(S/N 5001-Up) : Marks And Plates : Marks And Plates (English) (For Cab)(#5001-5715)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Marks And Plates : Marks And Plates (English) (For Cab)(#5716-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Marks And Plates : Marks And Plates (English) (For Canopy)(#5001-5715)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Marks And Plates : Marks And Plates (English) (For Canopy)(#5716-6221)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***02 | Plate? Operating,Transmission Control Lever Loc | 1 |
Operator'S Compartment And Control System
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Am Radio
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***10 | Screw,(For Wiper Switch Earth) | 2 |
| 01***08 | Washer,(For Fixed Type Ripper) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Antenna And Speaker
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
| 01***08 | Washer,(For Fixed Type Ripper) | 2 |
| 08***01 | Clip,(With Cab) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Ashtray (For Cab)
| 01***16 | Screw | 2 |
| 20***80 | Ashtray | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Attachment Pedal And Linkage(#6222-)
| 01***30 | Bolt,Stopper | 2 |
| 01***16 | Screw | 2 |
| 01***16 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage (For Power Tilt Mechanical Angle Blade)(#5001-6221)
| 01***30 | Bolt,(For Mechanical Governor) | 3 |
| 01***06 | Nut,L.H. Thread (For Russian) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage(#5001-6221)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***06 | Nut,L.H. Thread (For Russian) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage(#6222-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***50 | Bolt,(With Service Valve R.H.) | 3 |
| 01***06 | Nut,L.H. Thread (For Russian) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Boom Swing Pedal And Linkage(#5001-6221)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt,Stopper | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Boom Swing Pedal And Linkage(#6222-)
| 01***30 | Bolt,Stopper | 2 |
| 01***16 | Screw | 2 |
| 01***16 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Canopy
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Canopy (With Rain Guard)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Car Heater And Piping (For Cab)(#6222-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 7 |
| 07***59 | Clamp,See Fig. K4010-05a0 | 8 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Engine Revolution Control Stopper (For Breaker Arm)(#6222-)
| 01***20 | Bolt,See Fig. K4010-11a0 | 3 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
| 20***57 | Cover | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Floor Frame (For Cab)
| 01***65 | Bolt | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
| 08***12 | Grommet,(Not Used For Cab Spec.) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Floor Frame (For Canopy)(#5001-6221)
| 01***65 | Bolt | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
| 08***12 | Grommet,(Not Used For Cab Spec.) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Floor Frame (For Canopy)(#6222-)
| 01***65 | Bolt | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Cab)(#5001-6221)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 18 |
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Cab)(#6222-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 18 |
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Canopy)(#5001-6221)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 20 |
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Canopy)(#6222-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 20 |
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Instrument Panel (For Cab)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
| 20***31 | Bracket | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Instrument Panel (For Canopy)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
| 20***31 | Bracket | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Monitor Panel (For Cab)
| 78***00 | Monitor Ass'Y | 1 |
| 78***01 | Monitor Ass'Y | 1 |
| 78***00 | Panel | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Monitor Panel (For Canopy)
| 78***00 | Panel | 1 |
| 78***01 | Panel | 1 |
| 78***10 | Switch,(For Light And Heater) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Operator'S Cab (1/6) (Cab)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Operator'S Cab (2/6) (Front Window)
| 01***16 | Screw | 4 |
| 01***20 | Screw,(Australia Spec.) | 2 |
| 01***12 | Screw,(Not Shown) (For Std Cab) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Operator'S Cab (3/6) (Upper And R.H. Side Window)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***05 | Washer,(Without Window Washer) | 2 |
| 09***08 | Cap,(For Ripper Or Rear Hydraulic. Take) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Operator'S Cab (5/6) (Door 1/2)
| 20***70 | Door Ass'Y | 1 |
| 20***11 | Door | 1 |
| 20***20 | Glass | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Operator'S Cab (6/6) (Door 2/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***10 | Screw | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Operator'S Cab(4/6)(Rear? L.H. Side Window And Inside Cover)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***10 | Screw,(For Wiper Switch Earth) | 2 |
| 01***12 | Screw,(With Articulate Indicator) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Operator'S Seat
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
| 20***10 | Arm Rest | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Panel Box
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 1 |
| 01***20 | Screw | 2 |
| 01***50 | Bolt,(Tm8072-089) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Swing Control Linkage(#5001-6221)
| 01***25 | Bolt,Without Revolution Sensor | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Travel Control Lever(#5001-6221)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Screw | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Travel Control Lever(#6222-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***06 | Nut,L.H. Thread (For Russian) | 2 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Travel Control Linkage(#5001-6221)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Travel Control Linkage(#6222-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Screw | 2 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Window Washer (For Cab)
| 08***01 | Clip,(With Cab) | 3 |
| 20***20 | Nozzle Ass'Y | 1 |
| 20***70 | Hose | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever (2-Way Quick Shifter)(#5001-6221)
| 01***06 | Nut,L.H. Thread (For Russian) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever (Komatsu Pattern)(#5001-6221)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever (Komatsu Pattern)(#6222-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 4 |
| 01***11 | Nut - Mounting | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Work Equipment Control Linkage(#5001-6221)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,Without Revolution Sensor | 5 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Work Equipment Lock Lever(#5001-6221)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***26 | Washer,Plain | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Operator'S Compartment And Control System : Work Equipment Lock Lever(#6222-)
| 01***12 | Bolt | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***08 | Washer,(For Fixed Type Ripper) | 1 |
Parts Book
Komatsu : Pc15-3(S/N 5001-Up) : Parts Book : Bucket (Width 320mm And 420mm)(#6222-)
| 20***60 | Adapter (Welded) | 3 |
| 20***70 | Tooth | 3 |
| 20***81 | Pin | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Parts Book : Bucket (Width 500mm And 600mm)(#6222-)
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Parts Book : Reinforced Bucket? 0.07m3 (Mini 0.11m3) Width 500mm(#6222-)
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Parts Book : Work Equipment Hose (For Power Tilt Mechanical Angle Blade)(#6222-)
| 20***11 | Hose | 1 |
| 20***21 | Hose | 1 |
| 20***30 | Hose | 2 |
Service Kit And Component Parts
Komatsu : Pc15-3(S/N 5001-Up) : Service Kit And Component Parts : Kit
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 2 |
| 07***75 | O-Ring,Steering Oil Filter | 1 |
Swing Circle And Related Parts
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : 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 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swing Machinery
| 01***50 | Bolt,(With Service Valve R.H.) | 6 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swing Motor (1/2)
| 04***18 | Ring,Snap (Itl) | 1 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 07***12 | Plug,(With Lock Valve) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swing Motor (2/2)
| 07***16 | O-Ring | 1 |
| 07***16 | Ring, Back-Up | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swivel Joint (For Power Tilt Mechanical Angle Blade)(#5001-5517)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swivel Joint (For Power Tilt Mechanical Angle Blade)(#5518-6221)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swivel Joint(#5001-5517)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swivel Joint(#5518-6221)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Swing Circle And Related Parts : Swivel Joint(#6222-)
| 01***25 | Bolt | 4 |
| 04***20 | Ring, Retaining | 1 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 8 |
Travel And Lower Piping
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Lower Piping (For Power Tilt Mechanical Angle Blade)(#5001-6221)
| 01***60 | Bolt,(For Japan And Sweden) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Lower Piping(#5001-6221)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Lower Piping(#6222-)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Sprocket
| 01***30 | Bolt,(Not Used With Emergency Str.) | 34 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 18 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 34 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Travel Motor (1/2)(#5001-6221)
| 04***20 | Spring Pin | 7 |
| 04***12 | Ring, Snap (4) | 7 |
| 04***15 | Ring, Snap | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Travel Motor (1/3)(#6222-)
| 10***30 | O-Ring | 1 |
| 17***11 | Ring,Floating Seal | 1 |
| 20***40 | Ring,Snap | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Travel Motor (2/2)(#5001-6221)
| 01***20 | Screw | 6 |
| 04***16 | Pin | 1 |
| 04***12 | Pin,Spring (See Fig.0201) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Travel Motor (2/3)(#6222-)
| 06***04 | Bearing,Ball | 1 |
| 20***40 | Shaft | 1 |
| 20***50 | Plate,Swash | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Travel And Lower Piping : Travel Motor (3/3)(#6222-)
| 01***25 | Bolt,See Fig. K4010-65a0 | 7 |
| 20***30 | Pin | 1 |
| 20***00 | Body 1 Kit | 1 |
Under Carriage
Komatsu : Pc15-3(S/N 5001-Up) : Under Carriage : Carrier Roller
| 01***85 | Bolt,(For Perforated Mask) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 04***12 | Ring, Snap (4) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Under Carriage : Front Idler
| 01***45 | Capscrew - M10 X 1.25 | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***28 | O-Ring, Strainer To Control Pump Line | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Under Carriage : Recoil Spring (For Steel Shoe)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***60 | Bolt, Tube To Oil Cooler | 8 |
| 01***26 | Nut | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Under Carriage : Track Frame (For Steel Shoe)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Under Carriage : Track Roller(#5001-6221)
| 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 : Pc15-3(S/N 5001-Up) : Under Carriage : Track Roller(#6222-)
| 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 : Pc15-3(S/N 5001-Up) : Under Carriage : Track Shoe (Double Grouser With Hole)
| 20***90 | Pin,Master | 1 |
| 20***10 | Bushing | 2 |
| 20***61 | Track Shoe Ass'Y | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Under Carriage : Track Shoe (Flat Type)
| 20***51 | Track Shoe Ass'Y | 1 |
| 20***30 | Shoe Ass'Y,Regular | 78 |
| 20***40 | Shoe Ass'Y,Master | 2 |
Work Equipment
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Arm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Arm Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***24 | Nut,Bearing | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Attachment Hydraulic Piping (For Breaker Arm) (Boom Side)(#6222-)
| 01***35 | Bolt,(For Position Fixing) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Attachment Hydraulic Piping (For Breaker Arm) (Chassis Side)(#6222-)
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
| 20***30 | Elbow | 1 |
| 20***40 | Hose | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Blade
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Blade Lift Cylinder
| 01***22 | Nut,(North America Spec.) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***70 | O-Ring (Kit) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Blade Tilt Cylinder (For Power Tilt Mechanical Angle Blade)
| 01***24 | Nut,Bearing | 1 |
| 04***25 | Ring,Snap (Kit) | 4 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Boom
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Boom Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***24 | Nut,Bearing | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Breaker (Inner Parts)(#6222-)
| 07***00 | O-Ring,Grease | 1 |
| 07***03 | Bushing | 4 |
| 07***30 | Seal,Dust (Kit) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Breaker Accessary(#6222-)
| 20***11 | Bracket,(Dummy Link) | 1 |
| 20***60 | Chisel | 1 |
| 20***70 | Dummy Chisel | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Breaker Arm(#6222-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***80 | Bolt | 3 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 6 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket Link
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***75 | Bolt,(For Adjusting) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket Link And Pin (For Breaker Arm)(#6222-)
| 01***75 | Bolt,(For Adjusting) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.03m3 (Mini 0.05m3) 320mm(#5001-6221)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 6 |
| 09***14 | Nut | 6 |
| 10***11 | Tooth (Op) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.03m3 (Mini 0.05m3) 320mm(#6222-)
| 20***60 | Adapter (Welded) | 3 |
| 20***70 | Tooth | 3 |
| 20***81 | Pin | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.04m3 (Mini 0.07m3) 420mm(#5001-6221)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 6 |
| 09***14 | Nut | 6 |
| 10***11 | Tooth (Op) | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.04m3 (Mini 0.07m3) 420mm(#6222-)
| 20***60 | Adapter (Welded) | 3 |
| 20***70 | Tooth | 3 |
| 20***81 | Pin | 3 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.07m3 (Mini 0.11m3) 500mm(#5001-6221)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 09***14 | Nut | 8 |
| 10***11 | Tooth (Op) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.07m3 (Mini 0.11m3) 500mm(#6222-)
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.08m3 (Mini 0.12m3) 600mm(#5001-6221)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 09***14 | Nut | 8 |
| 10***11 | Tooth (Op) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Bucket? 0.08m3 (Mini 0.12m3) 600mm(#6222-)
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
| 20***81 | Pin | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Chisel Holder(#6222-)
| 01***35 | Bolt, Mount Bracket To Floor | 3 |
| 04***14 | Rivet | 2 |
| 20***12 | Holder | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Hydraulic Piping (Arm And Bucket Cylinder Line)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Hydraulic Piping (Blade Cylinder Line) (Lower)
| 20***80 | Elbow | 2 |
| 20***11 | Hose | 1 |
| 20***21 | Hose | 1 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Hydraulic Piping (Blade Cylinder Line) (Lower) (For Power Tilt Mechanical Angle Blade)
| 17***10 | Grommet | 2 |
| 20***60 | Elbow | 2 |
| 20***80 | Elbow | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Power Tilt Mechanical Angle Blade (1/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Power Tilt Mechanical Angle Blade (2/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Reinforced Bucket? 0.07m3 (Mini 0.11m3) 500mm(#5001-6221)
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 8 |
| 09***14 | Nut | 8 |
| 10***11 | Tooth (Op) | 4 |
Komatsu : Pc15-3(S/N 5001-Up) : Work Equipment : Reinforced Bucket? 0.07m3 (Mini 0.11m3) 500mm(#6222-)
| 20***51 | Lip (Welded) | 1 |
| 20***60 | Adapter (Welded) | 4 |
| 20***70 | Tooth | 4 |
PC15-3(S/N 5001-UP) serial number reference
The serial plate is riveted to the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. The prefix is the model code (PC15-3) followed by the serial number; the plate also contains the engine serial and, on export models, a 17-character ISO PIN.
| Prefix | Identifies | Notes |
|---|---|---|
| PC15-3 | Standard hydraulic excavator | S/N 5001-UP. Confirmed by factory parts catalog and service manual applicability. |
Frequently asked questions
What engine does the PC15-3 use?
The PC15-3 (S/N 5001-UP) is powered by the Komatsu 3D84N-2K diesel engine.
What is the operating weight of the PC15-3?
The operating weight varies by configuration and attachment, typically ranging from 3,300 kg to 3,600 kg (7,275 lb to 7,937 lb).
What model replaced the PC15-3?
The PC15-3 was succeeded by the PC15R-8 series, which introduced electronic controls and updated emissions compliance.
What PC15-3(S/N 5001-UP) owners discuss
What engine powers the Komatsu PC15-3 (S/N 5001-UP)?
The Komatsu PC15-3 (S/N 5001-UP) is powered by the Komatsu 3D78-1E diesel engine. This is a three-cylinder, water-cooled, direct-injection engine. The 3D78-1E is distinct from the 3D68E-N3FB engine found in the later PC15R-8 series. The 3D78-1E is known for robust low-end torque suitable for compact excavation but requires strict adherence to fuel quality standards to prevent injector wear. Variations in emissions configuration may exist depending on the specific market and production year within the serial range. Verify the exact engine code plate on the machine block, as serial breaks can sometimes correlate with minor component updates not reflected in the base model designation.
What are the common hydraulic behaviors and failure modes for this machine?
Operators report hydraulic performance degrades noticeably when the oil is hot, indicating internal leakage in the main pump or main control valve as viscosity drops with temperature. A common failure point is plastic gear teeth in the governor motor, which can strip and cause erratic engine speed or loss of power under load. If all functions slow down simultaneously, check hydraulic oil level, filter condition, and engine RPM before assuming pump failure. If only one function is slow, focus on the specific cylinder, control valve spool, or load-holding valve. The machine uses a closed-center hydraulic system; contamination accelerates wear on piston pumps and valve spools. Use Komatsu EO or equivalent high-quality hydraulic oil to maintain viscosity stability.
What undercarriage and wear patterns are typical for the PC15-3?
The PC15-3 uses a compact crawler undercarriage with 300 mm wide track shoes as standard configuration. Common wear patterns include rapid track chain elongation and sprocket wear if track tension is not maintained correctly. The track tensioner often loses pressure over time, causing the track to loosen and derail during heavy side-loading or on rough terrain. Rollers and idlers are prone to premature failure if mud or debris packs into the undercarriage, increasing rolling resistance. Rubber track conversions are common in landscaping applications; these require frequent inspection for chipping and core wire exposure. Final drive noise often indicates low oil levels or contamination in the final drive case. Check final drive oil levels regularly and inspect seals for leaks.
What are the known engine quirks and maintenance issues for the 3D78-1E series?
The 3D78-1E engine is sensitive to air intake restrictions; a dirty air filter can cause significant power loss and increased fuel consumption. The cooling package, including the radiator, hydraulic oil cooler, and charge-air cooler, is prone to clogging with dust and debris, leading to overheating during heavy excavation. Clean the cooler stack regularly using compressed air from the inside out. The fuel system requires clean, dry fuel; water in the fuel separator can damage the injection pump and injectors. Governor motor plastic gears are a known weak point; listen for irregular engine speed or surging under load. Engine oil changes must be performed at recommended intervals using Komatsu TDTO or equivalent diesel engine oil to prevent sludge buildup and bearing wear. Coolant level should be checked when the engine is cold to avoid pressurized system injury.
What electrical and sensor issues are common in this model?
The PC15-3 relies on electronic control systems that can trigger multiple warning signals from a single faulty sensor or unstable power supply. Owners report intermittent starting, dashboard display failures, and random machine shutdowns. Check battery state of charge, battery terminals, and engine/chassis grounds first. Corroded or loose connectors in the main harness can cause erratic sensor readings. The hour meter may count irregularly (e.g., by 0.1 then jumping by 0.2), indicating a sensor or wiring issue. Multiple fault codes often point to a common electrical ground problem rather than individual component failures. Ensure all safety interlocks and neutral-start inputs are functioning correctly, as faulty inputs can prevent starting or cause unexpected derating. Use a multimeter to verify voltage stability at the ECU and sensor connectors during operation.
What should be checked when buying a used PC15-3 (S/N 5001-UP)?
When purchasing a used PC15-3 (S/N 5001-UP), verify the engine code plate to confirm it is the 3D78-1E and not a later variant. Check hydraulic system performance both cold and hot; weak performance when hot indicates internal pump or valve leakage. Inspect the governor motor for worn plastic gears by listening for engine surging under load. Examine the undercarriage for track tension, roller wear, and final drive oil leaks. Test all hydraulic functions for speed and power, noting any single-function slowness. Check the cooling package for debris buildup and coolant condition. Verify the electrical system by testing battery voltage under load and checking for fault codes on the display. Inspect the main control valve for external leaks and pilot pressure consistency. Confirm the serial number matches machine documentation to ensure correct parts availability.
What safety-critical fixes require dealer verification?
Safety-critical systems such as the swing brake, travel interlocks, and hydraulic pressure relief settings must be verified by an authorized dealer. The swing brake holds the upper structure in position; failure can cause uncontrolled rotation. Travel interlocks prevent machine movement when the operator is not in the seat; faulty interlocks can lead to accidental movement. Hydraulic pressure relief settings are critical for system integrity and operator safety; incorrect settings can cause hose bursts or component failure. Have your dealer verify these systems using factory test procedures and specifications. Do not attempt to adjust relief valves without proper training and equipment. Ensure all safety decals and guards are in place and secure. Regular inspection of safety-critical components is essential to prevent accidents and ensure compliant operation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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