Komatsu PC30-7(S/N 18001-UP)
Komatsuhydraulic excavatorsmall ( - pc90)

Komatsu PC30-7(S/N 18001-UP)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu PC30-7 (S/N 26423 and up) is a compact hydraulic excavator designed for versatile utility work. This machine features a Komatsu 3D84 engine providing approximately 20.6 kW (28 hp) / 2500 rpm rated output, with a displacement of 1.4 liters. It operates within a weight class of roughly 3,200 kg (7,055 lb) and is configured with a standard bucket capacity of 0.1 m³ (0.13 yd³) and a 600 mm (23.6 in) bucket width.

The PC30-7 generation introduced specific refinements in hydraulic efficiency, utilizing an open-center, load-sensing system with pilot pressure control. This machine remains a significant asset due to its robust 3D84 engine architecture and the availability of Komatsu genuine parts. Its durability makes it a primary choice for secondary owners looking for reliable performance in tight-access construction and excavation tasks.

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 PC30-7(S/N 18001-UP) specifications

Engine

Model3D84 or SAA2D-1/100E (varies by configuration)
Net Power16.7 kW (22.4 hp) to 24.5 kW (33 hp)
Displacement1.4 ltr
Cylinders3 or 4
Emissions TierTier III-compliant

Weights

Operating Weight2,948 kg (6,500 lb) to 3,700 kg (varies by configuration)

Dimensions

Transport Length4.7 m to 5.12 m
Transport Width1.55 m to 2.6 m
Transport Height1.5 m to 2.42 m
Tail Swing Radius1.3 m to 1.72 m
Track Shoe Width300 mm
Ground Clearance290 mm
Undercarriage Length1.61 m to 2.08 m

Performance

Max Dig Depth3.135 m (varies by configuration)
Max Reach at Ground5.17 m to 5.29 m
Max Dumping Clearance375 mm
Max Cutting Height5.25 m
Swing Speed11.0 min⁻¹
Travel Speed2.5 km/h to 3.8 km/h
Gradeability3 deg

Forces

Bucket Digging Force23.5 kN

Service capacities (summary)

Fuel Tank50 ltr
Hydraulic System/Tank78 ltr

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

PC30-7(S/N 18001-UP) fluids & capacities

SystemCapacityRecommended fluid
Cooling systemNot specifiedUltralife MAX Anti-freeze
Hydraulic system total AND hydraulic tankNot to be determined without manual verificationLiquimatic HV 46; use ISO 32 for temperatures below 5°C (41°F)
Final drive (each)Not specifiedEP 80w-90 Gear Oil
Grease (spec only)Not specifiedLithium based grease; Multipurpose K42

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Komatsu PC30-7(S/N 18001-UP) maintenance schedule

Service intervalTasks
Every 10 h
  • Check coolant level and add water if required
  • Check engine oil level in pan and add oil as needed
  • Check fuel level and add fuel
  • Check hydraulic tank oil level and add oil
  • Inspect dust indicator status
  • Check water separator for contaminants
Every 100 h
  • Lubricate swing pinion and swing circle
  • Lubricate boom swing cylinder foot pin and rod end
  • Lubricate boom cylinder foot pin and rod end
  • Lubricate blade cylinder foot pin and rod end
  • Lubricate boom foot pin and boom swing bracket pin
  • Lubricate arm cylinder pins and bucket cylinder pins
Every 250 h
  • Change engine oil in pan and replace engine oil filter cartridge
  • Check final drive case oil level and add oil
  • Check battery electrolyte level
  • Replace hydraulic filter element
  • Check and adjust fan belt tension
Every 500 h
  • Replace fuel filter cartridge
  • Clean and check radiator fins
Every 1,000 h
  • Change oil in swing machinery case
  • Change oil in final drive case
Every 2,000 h
  • Change hydraulic tank oil and clean strainer
  • Check alternator and starting motor operation
  • Check and adjust engine valve clearance

Servicing the PC30-7(S/N 18001-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Monitor hydraulic oil viscosity to prevent pump wear. In temperatures below 5°C (41°F), utilize ISO 32 oil to avoid sluggishness and premature component damage; otherwise, standard ISO 46 is suitable. Regularly perform oil analysis to detect silicon or dirt ingress. For the engine, ensure clean, stable viscosity through routine checks to extend the service life toward the 8,000-hour overhaul milestone.

Corrective & Common Repairs

Address hydraulic pump wear if performance degrades beyond 6,500 hours. Inspect control linkage rubber bushings for hardening or cracking, which causes imprecise joystick response. If the engine fails to start in cold environments, inspect glow plugs, as they are rated specifically for temperatures down to -18°C (0°F). Regularly check and replace bucket teeth of the vertical pin type to maintain digging force.

Overhaul & Rebuild Points

Plan major engine overhauls between 8,000 and 10,000 hours based on oil analysis results. During high-hour rebuilds, focus on the hydraulic system, specifically inspecting pump efficiency and relief valve settings (20.6 MPa). Ensure all critical pins, including boom-arm coupling and bucket-linkage pins, are inspected for play and adjusted or replaced to maintain structural integrity.

Seasonal & Environment Servicing

During winter operation, utilize block heaters if ambient temperatures drop below -18°C (0°F). In dusty environments, prioritize frequent cleaning of the air cleaner element and radiator fins to prevent overheating. For machines equipped with rubber shoes, check tension and replace worn shoes regularly. During long-term storage, follow specific Komatsu procedures for stabilization and protection against moisture.

PC30-7(S/N 18001-UP) common service parts

Part numberPart
20T-98-72410Plate? Caution,Engine Fuel FilterCheck fitment →
20T-98-73410Plate? Caution,Fuel FilterCheck fitment →
07000-02135O-Ring,Hydraulic Oil FilterCheck fitment →
20T-98-72460Plate? Caution,Engine Oil FilterCheck fitment →
20T-98-73460Plate? Caution,Engine Oil FilterCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

PC30-7(S/N 18001-UP) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
E02PC-EPC system errorFault in the Electronic Pressure Control systemInspect EPC solenoid valves and related circuitry
E03Rotary parking brake system errorMalfunction in the parking brake engagement or circuitCheck rotary parking brake solenoid and wiring
E05Governor motor system errorFault in the engine governor motor or control circuitInspect governor motor connections and functionality
E06EPC solenoid valve drive system error (HYPER system)Electrical fault in the EPC solenoid valve driverVerify solenoid valve drive circuit and harness integrity
E10Engine controller power failure or malfunctionLoss of power to the ECM or engine management system errorInspect ECM power connections, fuses, or ground wires
E11Engine control failure / output power reductionSystem-initiated protection mode due to engine faultCheck coolant temperature, oil pressure, and air filter status
E227Abnormal engine speed sensorFaulty engine revolution sensor or signal interruptionInspect engine speed sensor and wiring harness

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

PC30-7(S/N 18001-UP) attachments & work tools

Buckets

Available in digging and ditching configurations with capacities such as 0.095 m³ (0.124 yd³). Options include pin-on or coupler mounting styles.

Hydraulic hammers

Compatible with breaker attachments requiring maintenance intervals specific to hydraulic breaker usage. Specific hammer weight class is not documented for this exact serial range — verify with your dealer.

Quick couplers

Coupler attachments are available for the PC30-7 series to facilitate rapid tool changes.

Thumbs/grapples

Available in both mechanical and hydraulic configurations. Hydraulic versions allow for adjustable grip strength during operation.

Rippers

Ripper attachments are available for specialized ground penetration tasks.

Hydraulic-kit notes

The machine utilizes an open-center, load-sensing hydraulic system with pilot pressure control. Use ISO 32 oil for temperatures below 5°C (41°F) to prevent pump wear.

All PC30-7(S/N 18001-UP) assemblies by section

Every catalogued assembly group for the Komatsu PC30-7(S/N 18001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

3d84-2e Engine S/N 00292-Up
Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Air Cleaner And Mounting (Double Element Type)(#03321-)
YM***41Buffle1
YM***10Cap1
YM***30Pan,Dust1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Air Cleaner And Mounting (Single Element Type)(#03321-)
YM***41Buffle1
YM***10Cap1
YM***30Pan,Dust1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Air Intake Manifold And Connection(#03321-)
YM***01Heater,Intake Air1
YM***00Manifold,Air Intake1
YM***11Gasket,Intake Manifold1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Alternator (40a)(#03321-)
YM***50Brush Ass'Y1
YM***00Retainer,Bearing1
YM***70Diode Ass'Y1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Alternator And Mounting (40a)(#03321-)
YM***30Plate,Adjust1
YM***02Nut1
YM***02Nut1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Camshaft And Tappet(#03321-)
YM***80Camshaft Ass'Y1
YM***01Gear Ass'Y,Camshaft1
YM***50Bearing, Thrust1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Crankshaft(#03321-)
YM***00Gear,Crank1
YM***80Parallel Pin1
YM***01Ball,Steel3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Cylinder Block(#03321-)
YM***20Plug,Drain(Without Oil Cooler Type)1
YM***20Screw8
YM***00Plug2
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Cylinder Head Cover(#03321-)
YM***20Cover, Breather1
YM***51Cap, Lub. Oil Supply1
YM***00Clip,Breather Hose1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Cylinder Head(#03321-)
YM***80Retainer, Spring6
YM***40Seal,Valve? Exhaust (Kit)3
YM***10Valve,Exhaust3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Engine Stop Motor And Mounting(#03321-18427)
YM***80Ring,Snap1
YM***00Pin,Cotter1
YM***90Washer1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Engine Stop Motor And Mounting(#18428-)
YM***20Motor Ass'Y,Engine Stop1
YM***80Ring,Snap1
YM***00Pin,Cotter1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Exhaust Manifold And Muffler(#03321-)
YM***00Manifold,Exhaust1
YM***22Stud4
YM***10Muffler1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Flywheel And Flywheel Housing(#03321-)
YM***02Screw6
YM***02Screw4
YM***80Parallel Pin4
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Front Cover And Gear(#03321-)
YM***90Front Cover Ass'Y1
YM***10Washer,Seal7
YM***51Cap, Lub. Oil Supply1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Fuel Filter And Piping(#03321-)
YM***70Union1
YM***10Hose,(See Fig.0415-17?0416-17)1
YM***00O-Ring (Kit)1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Fuel Injection Pump (Governor) (1/2)(#03321-)
YM***02Lever Ass'Y,Stop1
YM***10Pin,Stop Lever1
YM***00O-Ring (Kit)1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Fuel Injection Pump (Governor) (2/2)(#03321-)
YM***01Weight Assembly., Governor1
YM***90Shaft,Governor Lever1
YM***50Angleich Ass'Y1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Fuel Injection Pump (Pump) (1/2)(#03321-)
YM***90Injection Pump Ass'Y1
YM***50Kit, Shim1
YM***10Plate? Caution1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Fuel Injection Pump (Pump) (2/2)(#03321-)
YM***70Retainer, Spring3
YM***00Plunger Ass'Y3
YM***02Screw2
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Fuel Injection Pump And Piping(#03321-)
YM***20Retainer, Pipe1
YM***60O-Ring,Fuel Injection Pump1
YM***30Bolt2
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Fuel Nozzle And Spill Pipe(#03321-)
YM***20Spring1
YM***00Fuel Injection Nozzle, Assembly1
YM***80Seat,Nozzle (Kit)3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Gasket Kit(#03321-)
YM***60O-Ring,Fuel Injection Pump1
YM***20Gasket,Water Pump1
YM***10Gasket (Kit)1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Lubricating Oil Filter And Mounting(#03321-)
YM***50Nut1
YM***02Bolt Plated3
YM***50Cartridge,Engine1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Lubricating Oil Pump And Piping(#03321-)
YM***50Oil Pressure Transmitter1
YM***40Gasket,Inlet Pipe1
YM***41Gasket (Kit)1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Oil Pan(#03321-)
YM***50O-Ring1
YM***02Screw4
YM***40O-Ring,Drain Plug1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : P.P.C. Pump And Mounting(#03321-)
YM***20Pump Ass'Y,Hydraulic1
YM***80Gasket (Kit)1
YM***81Gasket (Kit)1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Piston And Connecting Rod(#03321-)
YM***20Piston Ass'Y3
YM***00Screw2
YM***00Crank Pin Metal A. (Std)1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Rocker Arm(#03321-)
YM***02Screw6
YM***80Spring3
YM***50Rocker Arm Ass'Y6
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Safety Relay(#03321-)
Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Starting Motor (1.8kw)(#03321-)
YM***40Bolt,Through2
YM***50Pinion Ass'Y,Pinion1
YM***00Cover,Rear1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Starting Motor And Mounting (1.8kw)(#03321-)
YM***52Bolt Plated2
YM***02Nut,Rock1
YM***00Washer,Spring1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Water Pump And Cooling Fan(#03321-)
YM***20Gasket,Water Pump1
YM***30Cover1
YM***02Screw1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84-2e Engine S/N 00292-Up : Water Separator And Piping(#03321-)
YM***00Gasket2
YM***00O-Ring (Kit)1
YM***50Plug,Air2
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3d84e-3a Engine S/N 00292-Up
Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Air Cleaner And Mounting(#00289-)
YM***41Buffle1
YM***70Seat,Rubber2
YM***10Cap1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Air Intake Manifold And Connection(#00289-)
YM***01Heater,Intake Air1
YM***00Manifold,Air Intake1
YM***52Screw4
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Alternator (40a)(#00289-)
YM***50Brush Ass'Y1
YM***00Retainer,Bearing1
YM***70Diode Ass'Y1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Alternator And Mounting (40a)(#00289-)
YM***30Plate,Adjust1
YM***02Nut1
YM***02Nut1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Camshaft And Tappet(#00289-)
YM***80Camshaft Ass'Y1
YM***01Gear Ass'Y,Camshaft1
YM***50Bearing, Thrust1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Crankshaft
YM***00Gear,Crank1
YM***80Parallel Pin1
YM***10Spring Pin1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Cylinder Block(#00289-)
YM***20Plug,Drain(Without Oil Cooler Type)1
YM***60Cylinder Block, Assembly1
YM***20Screw8
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Cylinder Head Cover(#00289-)
YM***20Cover, Breather1
YM***51Cap, Lub. Oil Supply1
YM***00Clip,Breather Hose1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Cylinder Head(#00289-)
YM***31Gasket,Head (Kit)1
YM***80Retainer, Spring6
YM***40Seal,Valve? Exhaust (Kit)3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Exhaust Manifold And Muffler(#00289-)
YM***10Gasket (Kit)1
YM***02Screw4
YM***22Stud4
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Flywheel And Flywheel Housing(#00289-)
YM***02Screw6
YM***02Screw4
YM***80Parallel Pin4
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Front Cover And Gear(#00289-)
YM***90Front Cover Ass'Y1
YM***51Cap, Lub. Oil Supply1
YM***52Bolt4
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Fuel Filter And Piping(#00289-)
YM***70Union1
YM***00O-Ring (Kit)1
YM***51Check Valve Ass'Y,Joint1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Fuel Injection Pump (Governor) (1/2)
YM***40Lever,Control1
YM***30Spacer,Lever Shaft1
YM***02Nut1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Fuel Injection Pump (Governor) (2/2)
YM***01Weight Assembly., Governor1
YM***50Angleich Ass'Y1
YM***00Washer,Spring1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Fuel Injection Pump (Pump) (1/2)
YM***50Kit, Shim1
YM***10Plate? Caution1
YM***50Cover,Side1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Fuel Injection Pump (Pump) (2/2)
YM***70Retainer, Spring3
YM***02Screw2
YM***00Valve,Delivery3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Fuel Injection Pump And Piping
YM***20Retainer, Pipe1
YM***60O-Ring,Fuel Injection Pump1
YM***02Nut1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Fuel Nozzle And Spill Pipe(#00289-)
YM***00Nozzle, Assembly1
YM***20Spring1
YM***00Fuel Injection Nozzle, Assembly1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Gasket Kit(#00289-)
YM***60O-Ring,Fuel Injection Pump1
YM***31Gasket,Head (Kit)1
YM***40Seal,Valve? Exhaust (Kit)3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Lubricating Oil Filter And Mounting(#00289-)
YM***50Nut1
YM***00Valve,Relief1
YM***02Bolt Plated3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Lubricating Oil Pump And Piping(#00289-)
YM***50Oil Pressure Transmitter1
YM***41Gasket (Kit)1
YM***20Bolt,Joint (Cylinder Head Side)1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Oil Pan(#00289-)
YM***70Oil Pan Ass'Y1
YM***52Screw2
YM***52Screw20
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : P.P.C. Pump And Mounting(#00289-)
YM***20Pump Ass'Y,Hydraulic1
YM***02Nut2
YM***64Bearing,Ball2
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Piston And Connecting Rod(#00289-)
YM***00Screw2
YM***00Crank Pin Metal A. (Std)1
YM***00Piston Ass'Y3
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Rocker Arm(#00289-)
YM***02Screw6
YM***80Spring3
YM***50Rocker Arm Ass'Y6
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Starting Motor (1.8kw)(#00289-)
YM***40Bolt,Through2
YM***50Pinion Ass'Y,Pinion1
YM***00Cover,Rear1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Starting Motor And Mounting (1.8kw)(#00289-)
YM***52Bolt Plated2
YM***02Nut,Rock1
YM***00Washer,Spring1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Timer? Safety Relay And Grow Relay(#00289-)
YM***20Timer,Solenoid1
YM***10Relay,Stop Solenoid1
YM***00Relay, Safety1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Water Pump And Cooling Fan
YM***20Gasket,Water Pump1
YM***30Cover1
YM***02Screw1
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Komatsu : Pc30-7(S/N 18001-Up) : 3d84e-3a Engine S/N 00292-Up : Water Separator And Piping(#00289-)
YM***10Hose,(See Fig.0415-17?0416-17)1
YM***00Gasket2
YM***00O-Ring (Kit)1
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Accessory
Komatsu : Pc30-7(S/N 18001-Up) : Accessory : Spare Parts
07***35O-Ring,Hydraulic Oil Filter1
07***34O-Ring,(With Fuel Strainer)1
07***00Fitting, Grease - Upper Hinge Pin4
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Komatsu : Pc30-7(S/N 18001-Up) : Accessory : Tool
07***50Pump, (Bellows Type)1
07***03Cartridge - Grease1
07***45Nozzle, Grease Pump (Non-Flexible Type)1
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Cooling System
Komatsu : Pc30-7(S/N 18001-Up) : Cooling System : Radiator And Piping
01***14Bolt,(With Canopy)2
01***20Bolt,(With Auto Emergency Steering)4
01***25Bolt,(For Canvas Canopy?Head Guard)2
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Komatsu : Pc30-7(S/N 18001-Up) : Cooling System : Reserve Tank And Piping
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***16Screw,(P.O.C. Model) (Except Japan)2
01***19Washer,Spring (With Extinguisher) (D31p)2
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Electrical System
Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Additional Work Lamp (Boom R.H. Side)
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***32Washer,(With Auto Emergency Steering)1
20***50Work Lamp Ass'Y1
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Battery
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108064
01***23Washer, Wiring Harness Mounting Bracket2
01***32Washer,(Not Used With Emergency Str.)2
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Battery (For Cold Weather)
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108064
01***23Washer, Wiring Harness Mounting Bracket2
01***32Washer,(Not Used With Emergency Str.)2
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Electrical System (Engine? Horn And Sensor Line)
01***16Bolt (With Air Heater & Conditioner)3
01***20Bolt,(For Quick Shift) (Mitsubishi)12
01***30Bolt,(For Quick Shift) (Mitsubishi)1
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Electrical System (For One Touch Deceleration)
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***16Screw,(P.O.C. Model) (Except Japan)2
01***25Screw2
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Electrical System (Instrument Panel Line)(#18001-26422)
01***16Bolt (With Air Heater & Conditioner)2
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)1
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Electrical System (Instrument Panel Line)(#26423-)
01***16Bolt (With Air Heater & Conditioner)2
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)1
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Electrical System (Wiper Motor Line) (For Cab)
20***10Switch,Front Wiper? Lower1
20***40Spacer,Work Equipment Lamp1
20***30Wiring Harness1
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Instrument Panel (For Cab)
01***05Nut,(For Air Conditioner Less), Nut4
01***08Washer,(For 1 Attachment And Pat)4
20***30Starting Switch,Starting1
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Komatsu : Pc30-7(S/N 18001-Up) : Electrical System : Instrument Panel (For Canopy)
01***05Nut,(For Air Conditioner Less), Nut4
01***08Washer,(For 1 Attachment And Pat)4
20***30Starting Switch,Starting1
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Engine Related Parts
Komatsu : Pc30-7(S/N 18001-Up) : Engine Related Parts : Engine Mounting Parts
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(For Quick Shift) (Mitsubishi)14
01***40Bolt, Mount Master Brake Cylinder8
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Komatsu : Pc30-7(S/N 18001-Up) : Engine Related Parts : Engine Related Parts
01***40Bolt, Mount Master Brake Cylinder2
01***06Nut4
01***32Washer,(With Auto Emergency Steering)4
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Komatsu : Pc30-7(S/N 18001-Up) : Engine Related Parts : Fuel Control Lever And Linkage
01***20Bolt,(With Auto Emergency Steering)2
01***25Bolt,See Fig. K4010-65a02
01***23Washer, Wiring Harness Mounting Bracket5
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Komatsu : Pc30-7(S/N 18001-Up) : Engine Related Parts : Power Take Off
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***40Bolt,Reamer6
01***32Washer,(With Auto Emergency Steering)4
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Fuel Tank And Related Parts
Komatsu : Pc30-7(S/N 18001-Up) : Fuel Tank And Related Parts : Fuel Piping
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***32Washer,(With Auto Emergency Steering)3
07***10Clip4
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Komatsu : Pc30-7(S/N 18001-Up) : Fuel Tank And Related Parts : Fuel Tank
01***30Bolt,(Not Used With Emergency Str.)3
01***45Bolt, Mounting Bracket To Radiator (Top)1
01***10Screw,(For Wiper Switch Earth)5
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Guard
Komatsu : Pc30-7(S/N 18001-Up) : Guard : Battery Cover And Tank Cover
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***30Bolt,(Not Used With Emergency Str.)4
01***10Screw,(For Wiper Switch Earth)2
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Komatsu : Pc30-7(S/N 18001-Up) : Guard : Counter Weight
01***20Bolt,(For Quick Shift) (Mitsubishi)12
01***55Bolt,(For Reinforced Type)4
01***65Bolt2
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Komatsu : Pc30-7(S/N 18001-Up) : Guard : Engine Hood (1/3)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps7
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Komatsu : Pc30-7(S/N 18001-Up) : Guard : Engine Hood (2/3)
01***16Bolt, Battery To Frame Ground Wire Attaching2
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***30Bolt,(For Quick Shift) (Mitsubishi)4
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Komatsu : Pc30-7(S/N 18001-Up) : Guard : Engine Hood (3/3)(#18001-26422)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***25Bolt,(For Canvas Canopy?Head Guard)2
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Komatsu : Pc30-7(S/N 18001-Up) : Guard : Engine Hood (3/3)(#26423-)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***12Washer,(With Body Positioner)1
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Hydraulic System
Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool) (1/2)
01***10Bolt2
01***16Bolt (Op)2
01***20Bolt (Itl)1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Control Valve (2-Spool) (2/2)
01***08Nut (Op)1
07***11O-Ring (Kit)1
07***34O-Ring,(Not Used When (B) Spec.)1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Control Valve (3-Spool) (1/2) (For Power Tilt Mechanical Angle Blade)
01***10Bolt4
01***16Bolt (Op)4
01***20Bolt (Itl)2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Control Valve (3-Spool) (2/2) (For Power Tilt Mechanical Angle Blade)
01***08Nut (Op)1
07***11O-Ring (Kit)1
07***34O-Ring,(Not Used When (B) Spec.)2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool) (1/3)
01***10Bolt4
01***16Bolt (Op)4
01***20Bolt (Itl)2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool) (2/3)
01***10Bolt4
01***16Bolt (Op)4
01***20Bolt (Itl)2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Control Valve (7-Spool) (3/3)
01***08Nut (Op)1
07***11O-Ring (Kit)1
07***34O-Ring,(Not Used When (B) Spec.)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Additional Piping Line) (Chassis Side) (1/2)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(For Quick Shift) (Mitsubishi)1
01***60Bolt, Mount Tube To Switch Pump1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Additional Piping Line) (Chassis Side) (2/2)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)8
01***60Bolt, Tube To Oil Cooler1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Arm And Bucket Cylinder Line)
01***30Bolt,(For Quick Shift) (Mitsubishi)4
01***16Washer,Radio Controlled Slag Handling4
01***32Washer,(With Auto Emergency Steering)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Blade Cylinder Line) (Upper)
07***23O-Ring,(For 2nd Travel Speed) (Op)2
07***34O-Ring,(For Without Brake Assistor)2
20***40Mark? A32
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Blade Cylinder Line) (Upper) (For Power Tilt Mechanical Angle Blade)
01***32Washer,(With Auto Emergency Steering)4
07***23O-Ring,(For 2nd Travel Speed) (Op)4
07***34O-Ring,(For Without Brake Assistor)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Boom Cylinder Line)
01***25Bolt,(Without Rops Guard? Canopy)2
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps2
01***32Washer,(Not Used With Emergency Str.)2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Boom Swing Cylinder Line)
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***32Washer,(With Auto Emergency Steering)1
07***23O-Ring,(For 2nd Travel Speed) (Op)2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Drain Line)
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***32Washer,(With Auto Emergency Steering)1
07***23O-Ring,(Crusher?Other Att.For Ppc Con1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Drain Line) (For Additional Piping)
07***23O-Ring,(Crusher?Other Att.For Ppc Con1
07***34O-Ring,(Not Used When (B) Spec.)1
07***04Hose, Tube To Torque Converter1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Oil Cooler And Return Line)
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***32Washer,(With Auto Emergency Steering)6
07***34O-Ring,(Not Used When (B) Spec.)1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Suction And Delivery Line) (For Additional Piping)(#18001-26422)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***50Bolt (Kit)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Suction And Delivery Line) (For Additional Piping)(#26423-)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***50Bolt (Kit)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Suction And Delivery Line)(#18001-26422)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***50Bolt (Kit)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Suction And Delivery Line)(#26423-)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***50Bolt (Kit)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Swing Motor Line)
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***32Washer,(With Auto Emergency Steering)5
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Piping (Travel Motor Line) (Upper)
01***20Bolt,(For Quick Shift) (Mitsubishi)9
01***30Bolt,(For Quick Shift) (Mitsubishi)1
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Pump (1/3)(#18001-26422)
04***12Ring,Split, Ring-Snap2
04***20Ring, Retaining1
07***08O-Ring,(Tm8202-005)4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Pump (1/3)(#26423-)
01***16Bolt (Op)4
04***20Ring, Snap1
07***55O-Ring,(F4350-62a1 -14 )1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Pump (2/3)(#18001-26422)
01***16Bolt (Op)4
01***30Bolt (Itl)3
01***45Bolt1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Pump (2/3)(#26423-)
01***25Bolt2
01***30Bolt (Itl)2
01***30Screw4
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Pump (3/3)(#18001-26422)
01***20Bolt,(Sandy? Dusty Terrain Spec.)2
01***30Washer,Spring(Sandy?Dusty Terrain S.)4
04***10Ring,Snap1
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Pump (3/3)(#26423-)
01***80Capscrew4
UC***08Cover,Rear1
UC***37Ring,Seal2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Hydraulic Tank
01***20Bolt,(For Quick Shift) (Mitsubishi)5
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***30Bolt,(Not Used With Emergency Str.)3
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : I.S.O Pattern Select Valve
01***16Bolt, Mount Washer Tank To Bracket, Bolt6
01***20Bolt? Wing,Wing (For Slag Handling)1
01***23Washer,(With Auto Emergency Steering)6
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Multiple Pattern Select Valve(#18001-21874)
01***30Bolt,(For Mechanical Governor)10
01***23Washer, Wiring Harness Mounting Bracket10
04***10Pin,Cotter (Without Towing Winch), Cotter Pin; Was 04050-116101
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : Multiple Pattern Select Valve(#21875-)
01***16Bolt (Op)18
01***16Bolt,(Without Cab)18
01***23Washer,(With Auto Emergency Steering)2
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Komatsu : Pc30-7(S/N 18001-Up) : Hydraulic System : P.P.C. Lock And Travel Speed Solenoid Valve
07***23O-Ring,(F4320-61a0 -29 )1
07***07Plug,Housing No.2?3?4?5?61
20***21Solenoid Valve Ass'Y1
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Main/Revolving Frame And Related Parts
Komatsu : Pc30-7(S/N 18001-Up) : Main/Revolving Frame And Related Parts : Boom Swing Bracket
01***30Bolt,(Not Used With Emergency Str.)6
01***32Washer,(Not Used With Emergency Str.)6
04***12Lock,(With Rain Cap)2
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Komatsu : Pc30-7(S/N 18001-Up) : Main/Revolving Frame And Related Parts : Boom Swing Cylinder
01***24Nut,Bearing1
07***85O-Ring,(Without Fuel Level Gauge)1
07***80O-Ring (Kit)1
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Komatsu : Pc30-7(S/N 18001-Up) : Main/Revolving Frame And Related Parts : Revolving Frame
01***30Bolt,(Not Used With Emergency Str.)6
01***32Washer,(Not Used With Emergency Str.)4
04***12Lock,(With Rain Cap)1
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Marks And Plates
Komatsu : Pc30-7(S/N 18001-Up) : Marks And Plates : Marks And Plates (English) (For Cab)
04***60Screw,Machine Model (For Ec Reg.)4
09***35Plate? Name,(Limited Supply) (English)1
09***00Product Graphic, Warning -Pressurized Cooling System1
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Komatsu : Pc30-7(S/N 18001-Up) : Marks And Plates : Marks And Plates (English) (For Canopy)
04***60Screw,Machine Model (For Ec Reg.)4
09***35Plate? Name,(Limited Supply) (English)1
09***00Product Graphic, Warning -Pressurized Cooling System1
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Komatsu : Pc30-7(S/N 18001-Up) : Marks And Plates : Marks And Plates (Multiple Pattern)
20***30Plate? Operating,(Mitsubishi Pattern)1
20***50Plate? Operating,(Kobelco Pattern)1
20***30Plate? Operating,(Iso Pattern)1
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Komatsu : Pc30-7(S/N 18001-Up) : Marks And Plates : Marks And Plates (Spanish) (For Cab)
04***60Screw,Machine Model (For Ec Reg.)4
09***35Plate? Name,(Limited Supply) (Spanish)1
09***00Product Graphic, Warning -Pressurized Cooling System1
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Komatsu : Pc30-7(S/N 18001-Up) : Marks And Plates : Marks And Plates (Spanish) (For Canopy)
04***60Screw,Machine Model (For Ec Reg.)4
09***35Plate? Name,(Limited Supply) (Spanish)1
09***00Product Graphic, Warning -Pressurized Cooling System1
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Miscellaneous
Komatsu : Pc30-7(S/N 18001-Up) : Miscellaneous : Periodical Replacement And Safety Parts
07***21Hose,(See Fig.D0200-01a0-1)1
07***31Hose,(See Fig.D0200-01a0-2)1
YM***80Hose,(See Fig.0411-14)2
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Operator'S Compartment And Control System
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Am Radio And Speaker (For Cab)
01***25Screw,(Except Japan)2
01***16Screw2
01***13Washer,Spring(For Wiper Switch Earth)2
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Ashtray (For Cab)
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Attachment Control Pedal And Linkage
01***30Bolt,(For Mechanical Governor)1
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***30Bolt,(For Quick Shift) (Mitsubishi)3
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage
01***30Bolt,Stopper2
01***20Screw3
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108062
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage (1/2) (For Power Tilt Mechanical Angle Blade)
01***25Bolt,Without Revolution Sensor1
01***45Bolt,(For Power Tilt Mech Angle)1
01***40Bolt1
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Blade Control Lever And Linkage (2/2) (For Power Tilt Mechanical Angle Blade)
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***15Nut2
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Boom Swing Pedal And Linkage
01***30Bolt,(For Mechanical Governor)1
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***35Bolt,(For Quick Shift) (Mitsubishi)2
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Boom Swing Pedal And Linkage (For Power Tilt Mechanical Angle Blade)
01***30Bolt,(For Mechanical Governor)1
01***35Bolt,(For Quick Shift) (Mitsubishi)2
01***60Bolt, Mount Tube To Switch Pump1
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Canopy
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***30Bolt,(For Quick Shift) (Mitsubishi)5
01***40Bolt,(With Center Guard)4
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Canopy (With Rain Guard)
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***30Bolt,(For Quick Shift) (Mitsubishi)5
01***40Bolt,(With Center Guard)4
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Car Heater And Piping (For Cab)
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***32Washer,(With Auto Emergency Steering)6
08***23Band,(With Water Separator)4
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Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Floor Frame (For Cab)
01***35Bolt, Hydraulic Tank Mounting1
01***10Bolt (Op)3
01***45Washer,(For Travel Motor) (Not Show)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Floor Frame (For Canopy)
01***35Bolt, Hydraulic Tank Mounting1
01***90Bolt3
01***45Washer,(For Travel Motor) (Not Show)5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Cab)
01***20Bolt,(For Quick Shift) (Mitsubishi)13
01***20Screw4
01***25Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Floor Plate And Swing Lock Pin (For Canopy)
01***20Bolt,(For Quick Shift) (Mitsubishi)13
01***20Screw4
01***25Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Fuel Control Lever And Linkage (For One Touch Deceleration)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***25Bolt,(For Canvas Canopy?Head Guard)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hyd. Piping (Work Equip. Cont. Line? L.H.)(Komatsu Pattern #18001-23008? 23045-23110? 23123-23134)
01***20Bolt,(With Auto Emergency Steering)3
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Quick Coupling Line)
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***65Bolt, Mount Radiator To Frame (Bottom)2
01***32Washer,(With Auto Emergency Steering)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Solenoid Valve Line)
01***35Bolt8
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***19Washer,Spring (With Extinguisher) (D31p)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Solenoid Valve Line) (For Multiple Pattern Control)
01***35Bolt,(For Position Fixing)3
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***25Bolt,(For Canvas Canopy?Head Guard)9
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? L.H.) (For I.S.O. Pattern)
01***20Bolt,(With Auto Emergency Steering)3
01***25Bolt1
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? L.H.) (For Multiple Pattern Control)(#18001-21874)
01***20Bolt,(With Auto Emergency Steering)3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? L.H.) (For Multiple Pattern Control)(#21875-24874)
01***20Bolt,(With Auto Emergency Steering)3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? L.H.) (For Multiple Pattern Control)(#24875-)
01***20Bolt,(With Auto Emergency Steering)3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? R.H.)
01***20Bolt,(With Auto Emergency Steering)3
01***20Bolt,(For Quick Shift) (Mitsubishi)7
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? R.H.) (For Multiple Pattern Control)(#18001-21874)
01***20Bolt,(With Auto Emergency Steering)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? R.H.) (For Multiple Pattern Control)(#21875-24874)
01***20Bolt,(With Auto Emergency Steering)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Hydraulic Piping (Work Equipment Control Line? R.H.) (For Multiple Pattern Control)(#24875-)
01***20Bolt,(With Auto Emergency Steering)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***23Washer, Wiring Harness Mounting Bracket3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Monitor System (For Cab)
78***00Panel1
78***01Panel1
78***10Switch,(For Light And Heater)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Monitor System (For Canopy)
78***00Panel1
78***01Panel1
78***10Switch,(For Light And Heater)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Cab (1/6) (Cab)
01***25Bolt,Without Revolution Sensor2
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***70Bolt, Mount Bracket And Oil Inlet Tube, Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Cab (2/6) (Front Window)
01***16Screw4
01***20Screw,(Australia Spec.)2
01***12Screw,(Not Shown) (For Std Cab)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Cab (3/6) (Upper And R.H. Side Window)
01***12Screw,(For Side Lamp) (Not Shown)2
01***05Washer,(Without Window Washer)2
09***08Cap,(For Ripper Or Rear Hydraulic. Take)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Cab (4/6) (Rear? L.H. Side Window And Inside Cover)
01***12Screw,(For Side Lamp) (Not Shown)2
01***10Screw,(For Wiper Switch Earth)2
01***12Screw,(With Articulate Indicator)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Cab (5/6) (Door 1/2)
20***70Door Ass'Y1
20***11Door1
20***20Glass1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Cab (6/6) (Door 2/2)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***10Screw1
01***16Bolt, Mounting Transmission Control Switch2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Seat
01***16Bolt (With Air Heater & Conditioner)4
01***30Bolt,(For Mechanical Governor)4
01***30Bolt,(For Quick Shift) (Mitsubishi)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Operator'S Seat Stand
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***20Screw4
01***10Nut,(Without Air Conditioner)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : P.P.C. Valve(#18001-25054)
01***16Bolt, Mount Washer Tank To Bracket, Bolt4
01***20Bolt,(Without Maintenance Monitor)4
07***20O-Ring,Relief Valve4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : P.P.C. Valve(#25055-)
01***20Bolt,(Without Air Con. Or Heater)4
07***20O-Ring,Relief Valve4
07***70O-Ring,(For Intake Air Cover)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Panel Box (For Cab)
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108062
01***23Washer,(Without Air Con.)12
20***80Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Panel Box (For Cab) (For Additional Piping)
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108062
01***23Washer,(Without Air Con.)12
20***80Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Panel Box (For Canopy)
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108062
01***23Washer,(Without Air Con.)12
20***80Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Panel Box (For Canopy) (For Additional Piping)
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108062
01***23Washer,(Without Air Con.)12
20***80Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Seat Belt
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***32Washer,(With Auto Emergency Steering)2
09***01Bolt,(For Shipping)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Travel Control Lever And Linkage
01***16Bolt, Mount Washer Tank To Bracket, Bolt1
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***30Bolt,(For Quick Shift) (Mitsubishi)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Travel Control Lever And Linkage (For Power Tilt Mechanical Angle Blade)
01***16Bolt, Mount Washer Tank To Bracket, Bolt1
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***30Bolt,(For Quick Shift) (Mitsubishi)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Travel Speed Pedal
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***08Washer,(For Fixed Type Ripper)1
01***32Washer,(With Auto Emergency Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Window Washer (For Cab)
08***01Clip,(With Cab)3
20***20Nozzle Ass'Y1
20***70Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***32Washer,(With Auto Emergency Steering)2
08***21Band,(For One Touch Decel)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever (For One Touch Deceleration)
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***32Washer,(With Auto Emergency Steering)2
08***21Band,(For One Touch Decel)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Operator'S Compartment And Control System : Work Equipment Lock Lever
01***35Bolt,(For Quick Shift) (Mitsubishi)4
01***40Bolt, Mount Master Brake Cylinder2
01***45Bolt,(For Power Tilt Mech Angle)2
See all parts with full part numbers in Heavy Parts AI →
Service Kit And Component Parts
Komatsu : Pc30-7(S/N 18001-Up) : Service Kit And Component Parts : Kit
07***70O-Ring,(For Intake Air Cover)1
07***75O-Ring,Steering Oil Filter1
07***85O-Ring,(Without Fuel Level Gauge)3
See all parts with full part numbers in Heavy Parts AI →
Swing Circle And Related Parts
Komatsu : Pc30-7(S/N 18001-Up) : Swing Circle And Related Parts : Swing Circle
01***60Bolt, Tube To Oil Cooler16
01***70Bolt, Accumulator Mounting Bracket20
04***34Pin-Dowel, Pin,Dowel (For Shipping)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Swing Circle And Related Parts : Swing Machinery
01***50Bolt,(With Service Valve R.H.)6
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps6
01***32Washer,(With Auto Emergency Steering)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Swing Circle And Related Parts : Swing Motor (1/2)
04***18Ring,Snap (Itl)1
07***23O-Ring,(For 2nd Travel Speed) (Op)2
07***12Plug,(With Lock Valve)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Swing Circle And Related Parts : Swing Motor (2/2)
07***16O-Ring1
07***16Ring, Back-Up1
07***34O-Ring, O-Ring,Drain Plug? R.H. Half Tank1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Swing Circle And Related Parts : Swivel Joint
01***35Bolt,(For Position Fixing)4
01***23Washer, Wiring Harness Mounting Bracket4
04***25Ring, Retaining1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Swing Circle And Related Parts : Swivel Joint (For Power Tilt Mechanical Angle Blade)
01***35Bolt,(For Position Fixing)4
01***23Washer, Wiring Harness Mounting Bracket4
04***25Ring, Retaining1
See all parts with full part numbers in Heavy Parts AI →
Travel And Lower Piping
Komatsu : Pc30-7(S/N 18001-Up) : Travel And Lower Piping : Hydraulic Piping (Blade Cylinder Line) (Lower)
07***23O-Ring,(For 2nd Travel Speed) (Op)2
08***20Grommet1
20***80Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Travel And Lower Piping : Hydraulic Piping (Blade Cylinder Line) (Lower) (For Power Tilt Mechanical Angle Blade)
01***16Bolt, Battery To Frame Ground Wire Attaching3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***65Bolt,(Except Japan)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Travel And Lower Piping : Hydraulic Piping (Travel Motor Line) (Lower)
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps4
01***32Washer,(Not Used With Emergency Str.)4
01***45Washer,(For Travel Motor) (Not Show)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Travel And Lower Piping : Sprocket
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps18
01***30Capscrew - M12 X 1.7518
01***32Washer,(Not Used With Emergency Str.)36
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Travel And Lower Piping : Travel Motor (1/3)
04***15Ring, Snap1
06***06Bearing,Ball1
06***02Bearing,Ball1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Travel And Lower Piping : Travel Motor (2/3)
10***60O-Ring Ass'Y1
10***30O-Ring2
17***21Floating Seal Ass'Y,Seal1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Travel And Lower Piping : Travel Motor (3/3)
FU***01Spring1
FU***90O-Ring10
FU***04Valve,Check2
See all parts with full part numbers in Heavy Parts AI →
Under Carriage
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Carrier Roller (For Steel Shoe)(#18001-26422)
01***85Bolt,(For Perforated Mask)2
01***45Washer,(For Travel Motor) (Not Show)2
04***15Ring, Snap1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Carrier Roller(#26423-)
01***85Bolt,(For Perforated Mask)2
01***45Washer,(For Travel Motor) (Not Show)2
04***15Ring, Snap1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Front Idler (For Steel Shoe)(#18001-26422)
01***45Capscrew - M10 X 1.252
01***32Washer,(With Auto Emergency Steering)2
07***28O-Ring, Strainer To Control Pump Line2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Recoil Spring (For Steel Shoe)(#18001-26422)
01***20Bolt,(With Auto Emergency Steering)4
01***60Bolt, Tube To Oil Cooler8
01***26Nut2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Recoil Spring(#26423-)
01***20Bolt,(With Auto Emergency Steering)4
01***60Bolt, Tube To Oil Cooler8
01***33Castle Nut2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Track Frame (For 400mm Wide Steel Shoe)
01***30Bolt,(For Quick Shift) (Mitsubishi)4
01***20Bolt,(Without Rops Guard? Canopy)4
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Track Frame (For Steel Shoe)
01***30Bolt,(For Quick Shift) (Mitsubishi)4
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps4
01***35Bolt,R.H. Outside And L.H. Inside12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Track Roller (For Steel Shoe)(#18001-26422)
01***35Bolt,R.H. Outside And L.H. Inside16
01***45Washer,(For Quick Shift) (Mitsubishi)16
07***21O-Ring,Water Piping2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Track Roller(#26423-)
01***35Bolt,R.H. Outside And L.H. Inside16
01***08Screw1
01***45Washer,(For Quick Shift) (Mitsubishi)16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Under Carriage : Track Shoe (Double Grouser With Hole) (For Steel Shoe)
20***27Shoe Ass'Y,Regular84
20***37Shoe Ass'Y,Master2
20***54Shoe Ass'Y,Regular84
See all parts with full part numbers in Heavy Parts AI →
Work Equipment
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Arm
01***30Bolt,(Not Used With Emergency Str.)4
01***32Washer,(Not Used With Emergency Str.)4
04***12Lock,(With Rain Cap)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Arm (For Additional Piping)
01***30Bolt,(Not Used With Emergency Str.)4
01***32Washer,(Not Used With Emergency Str.)4
04***12Lock,(With Rain Cap)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Arm Cylinder
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***26Nut,Nylon1
01***32Washer,(With Auto Emergency Steering)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Blade
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***30Bolt,(Not Used With Emergency Str.)7
01***32Washer,(With Auto Emergency Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Blade (For 400mm Wide Steel Shoe)
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***30Bolt,(Not Used With Emergency Str.)7
01***32Washer,(With Auto Emergency Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Blade Cylinder
01***26Nut,Nylon1
07***90O-Ring,(Dk029369-0020) (K2)1
07***85O-Ring,(For Snow Removing)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Blade Lift Cylinder (For Power Tilt Mechanical Angle Blade)
01***26Nut,Nylon1
07***95O-Ring,Transmission Strainer1
07***90O-Ring,(Y1620-41a0a-11)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Blade Tilt Cylinder (For Power Tilt Mechanical Angle Blade)
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***32Washer,(With Auto Emergency Steering)1
04***25Ring,Snap (Kit)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Boom
01***16Bolt (With Air Heater & Conditioner)4
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***30Bolt,(For Quick Shift) (Mitsubishi)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Boom Cylinder
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***24Nut,Bearing1
01***32Washer,(With Auto Emergency Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket Cylinder
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***24Nut,Bearing1
01***32Washer,(With Auto Emergency Steering)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket Link
01***35Bolt,(For Quick Shift) (Mitsubishi)6
01***40Bolt, Mount Master Brake Cylinder6
01***35Bolt, Hydraulic Tank Mounting2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket Link (For 350mm Wide Bucket)
01***35Bolt, Hydraulic Tank Mounting2
01***85Bolt2
01***10Nut,(Without Air Conditioner)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.04m3 (Mini 0.07m3) 350mm
01***43Bolt6
01***15Nut6
02***60Bolt (Op)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.04m3 (Mini 0.07m3) 350mm (Vertical Pin Type)(#26423-)
20***50Bolt6
20***51Bolt6
20***60Nut6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.05m3 (Mini 0.08m3) 425mm
01***43Bolt6
01***15Nut6
02***60Bolt (Op)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.05m3 (Mini 0.08m3) 425mm (Vertical Pin Type)(#26423-)
20***50Bolt6
20***51Bolt6
20***60Nut6
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.08m3 (Mini 0.14m3) 500mm
01***43Bolt6
01***15Nut6
02***55Bolt (Only For Bucket With Cutting Edge)8
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.08m3 (Mini 0.14m3) 500mm (Vertical Pin Type)(#26423-)
20***50Bolt6
20***51Bolt6
20***60Nut6
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.10m3 (Mini 0.18m3) 600mm
01***43Bolt6
01***15Nut6
02***60Bolt (Op)8
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.10m3 (Mini 0.18m3) 600mm (Vertical Pin Type)(#26423-)
20***50Bolt6
20***51Bolt6
20***60Nut6
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.12m3 (Mini 0.22m3) 700mm
01***43Bolt6
01***15Nut6
02***60Bolt (Op)10
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Bucket? 0.12m3 (Mini 0.22m3) 700mm (Vertical Pin Type)(#26423-)
20***50Bolt6
20***51Bolt6
20***60Nut6
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Hydraulic Piping (Additional Piping Line) (Attachment Side)
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***30Bolt,(For Quick Shift) (Mitsubishi)8
01***60Bolt, Mount Tube To Switch Pump14
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Hydraulic Piping (Arm And Bucket Cylinder Line)
01***20Bolt,(For Quick Shift) (Mitsubishi)9
01***32Washer,(With Auto Emergency Steering)9
04***08Clip1
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Long Arm
01***30Bolt,(Not Used With Emergency Str.)4
01***32Washer,(Not Used With Emergency Str.)4
04***12Lock,(With Rain Cap)2
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Power Tilt Mechanical Angle Blade (1/2)
01***30Bolt,(Not Used With Emergency Str.)3
01***32Washer,(Not Used With Emergency Str.)3
01***45Washer,(For Quick Shift) (Mitsubishi)11
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Power Tilt Mechanical Angle Blade (2/2)
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***30Bolt,(Not Used With Emergency Str.)10
01***32Washer,(With Auto Emergency Steering)2
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Reinforced Bucket? 0.10m3 (Mini 0.18m3) 600mm
01***43Bolt6
01***15Nut6
02***60Bolt (Op)8
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Komatsu : Pc30-7(S/N 18001-Up) : Work Equipment : Reinforced Bucket? 0.10m3 (Mini 0.18m3) 600mm (Vertical Pin Type)(#26423-)
20***50Bolt6
20***51Bolt6
20***60Nut6
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PC30-7(S/N 18001-UP) serial number reference

The PIN plate is riveted to the right-hand side of the cab on the lower frame, typically behind the front idler or beneath the operator window. To read the prefix, locate the first three characters of the model designation (e.g., PC3) before the dash and serial number.

PrefixIdentifies
PC30Standard PC30-7 (S/N 18001-UP)
F10PC30-7 (S/N F10001-UP)

Frequently asked questions

What engine is installed in the PC30-7?

The machine is powered by a Komatsu 3D84 diesel engine with a 1.4 liter displacement.

What is the operating weight of this model?

The standard operating weight is approximately 3,200 kg (7,055 lb).

What machine replaced the PC30-7 series?

Specific successor models vary by region and configuration; however, it belongs to the lineage of Komatsu compact excavators like the PC30MR series.

What PC30-7(S/N 18001-UP) owners discuss

What are the primary causes of engine stalling at high RPM or under load on the PC30-7?
Stalling is typically caused by a clogged fuel filter, wear in the injection pump, or restricted airflow due to a dirty air filter.
What hydraulic symptoms indicate potential solenoid or valve issues in this series?
Loss of function in all movements except swing and blade up/down may indicate an unenergized solenoid. Additionally, sluggishness or weak performance in walking or turning can result from unadjusted PC valves or damaged PC valve assemblies.
What engine specifications are associated with the Komatsu PC30-7?
The machine utilizes a 3-cylinder Komatsu engine, specifically identified as a 3D84 series. It produces a maximum net power of 22.4 hp (16.7 kW).
What undercarriage maintenance is required for machines equipped with rubber shoes?
Per the operation and maintenance manual, users must check and adjust track tension and inspect rubber shoes for wear or damage at 250-hour service intervals.
How does extreme temperature affect the hydraulic performance of the PC30-7?
In cold climates, hydraulic oil viscosity increases; using ISO 46 oil below 5°C (41°F) can cause sluggish controls. Conversely, in hot or dusty environments, hydraulic pumps may show increased wear beyond 6,500 hours.
What electrical components should be inspected during a 2,000-hour service interval?
The alternator and starting motor must be checked for proper operation.
What is the most critical item to check when buying a used Komatsu PC30-7?
Verify the exact serial number and request proof of ownership. Inspect for water in fuel filters, missing gauges, or evidence of flood damage. For machines with telematics, review logged fault codes and operating hours.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

Serial-range & configuration variants

This page covers the Komatsu PC30-7(S/N 18001-UP). Related factory variants of the same model family:

PC30-7(S/N F10001-Up)

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