Komatsu PC27R-8(S/N F30001-Up)
Komatsuhydraulic excavatorsmall ( - pc90)

Komatsu PC27R-8(S/N F30001-Up)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu PC27R-8 is a mini excavator designed for tight-space utility work and general excavation. It is powered by a naturally aspirated Komatsu 3D82AE-3FA three-cylinder diesel engine producing 19 kW (26 HP) net power. The machine weighs approximately 2,970 kg (6,548 lbs) and features a compact tail swing radius of 1,250 mm (49.2 in). Production years for the PC27R-8 series span the late 2000s to early 2010s. It succeeded the PC27R-7 and was eventually replaced by the PC27MR-1A and PC27MRX-1A series. Configurations offered include standard and deluxe variants with varying track shoe widths and undercarriage setups.

Across the PC27R-8 generation, Komatsu introduced improved hydraulic efficiency and operator comfort features compared to the previous PC27R-7. The machine remains significant in the used and parts market due to its widespread deployment in municipal and rental fleets. Its simple, naturally aspirated engine and robust hydraulic circuit make it a reliable platform for aftermarket support. The PC27R-8's compact dimensions and low ground pressure continue to make it a preferred choice for indoor demolition and landscaping jobs where larger machines cannot operate.

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 PC27R-8(S/N F30001-Up) specifications

Engine

Model3D82AE-3FA
Gross Power29.4 hp (22 kW)
Net Power26 hp (19 kW)
Displacement81.2 cu in (1.33 L)
Cylinders3
Emissions TierNot documented for this exact serial range — verify with your dealer

Weights

Operating Weight6548 lbs (2970 kg)
Ground Pressure4.41 psi (30.3 kPa)
Transport WeightNot documented for this exact serial range — verify with your dealer

Dimensions

Transport Length14.85 ft (4525 mm)
Transport Width4.93 ft (1500 mm)
Transport Height8.17 ft (2490 mm)
Tail Swing Radius4.07 ft (1240 mm)
Track Shoe Width11.82 in (300 mm)
Ground ClearanceNot documented for this exact serial range — verify with your dealer
Undercarriage LengthNot documented for this exact serial range — verify with your dealer

Performance

Max Dig Depth8.7 ft (2650 mm)
Max Reach at Ground15.42 ft (4700 mm)
Max Dump Height10.24 ft (3120 mm)
Max Cutting Height14.44 ft (4400 mm)
Swing Speed9 rpm
Travel Speed2.74 mph (4.4 km/h)
GradeabilityNot documented for this exact serial range — verify with your dealer
Drawbar PullNot documented for this exact serial range — verify with your dealer

Forces

Bucket Digging ForceNot documented for this exact serial range — verify with your dealer
Stick/Arm Digging ForceNot documented for this exact serial range — verify with your dealer

Service capacities (summary)

Fuel Tank9.3 gal (35 L)
Hydraulic System/Tank7.7 gal (29 L)
Engine Oil1.4 gal (5.2 L)
Cooling System1.1 gal (4 L)

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

PC27R-8(S/N F30001-Up) fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)5.3 l (1.4 gal)Komatsu EO or equivalent; SAE 10W below 104°F (40°C), SAE 20W-20 at 104–122°F (40–50°C), SAE 30 above 122°F (50°C); API CD
Cooling system4.2 l (1.1 gal)Komatsu Coolant or equivalent ethylene glycol-based coolant
Fuel tank35.2 l (9.3 gal)Diesel fuel per local regulations
Hydraulic system total AND hydraulic tank29.1 l (7.7 gal)Komatsu Hydraulic Oil TO or equivalent; SAE 10W below 104°F (40°C), SAE 20W-20 at 104–122°F (40–50°C), SAE 30 above 122°F (50°C)
Final drive (each)Not documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Swing driveNot documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Pilot/other circuits if listedNot documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Grease (spec only)N/AKomatsu Grease or equivalent lithium complex base grease

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

Komatsu PC27R-8(S/N F30001-Up) maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level and condition.
  • Check hydraulic fluid level in the sight glass.
  • Check coolant level and ensure the cap is secure.
  • Drain water from the fuel separator.
  • Inspect hydraulic hoses for cracks or leaks.
  • Check track tension and shoe condition.
Every 250 h
  • Change engine oil and replace the filter.
  • Grease all lubrication points including boom, stick, and bucket pins.
  • Check the air filter restriction indicator.
  • Inspect belts, hoses, and clamps for wear.
  • Check fluid levels for the hydraulic system and cooling system.
  • Perform a visual walk-around inspection for leaks.
Every 500 h
  • Replace the fuel filter.
  • Replace the hydraulic return filter.
  • Test the battery and alternator output.
  • Test the coolant SCA (Supplemental Coolant Additive) levels.
  • Take a KOWA oil sample for laboratory analysis.
  • Perform a detailed visual inspection of the undercarriage.
Every 1,000 h
  • Take a hydraulic oil sample for KOWA analysis.
  • Change the final drive oil on both sides.
  • Inspect the turbocharger for wear or damage.
  • Measure undercarriage component wear.
  • Check valve adjustment settings.
  • Perform a comprehensive structural inspection of the boom and stick.
Every 2,000 h
  • Change the hydraulic system oil.
  • Flush and replace the engine coolant.
  • Perform a comprehensive evaluation of all major components.
  • Check and service the transmission or torque converter oil.
  • Inspect and replace worn belts and hoses.
  • Perform a detailed inspection of the swing machinery oil.

Servicing the PC27R-8(S/N F30001-Up) beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize Komatsu KOWA fluid analysis at every 500-hour interval to monitor engine wear metals and hydraulic contamination. Check the coolant SCA levels at 500 hours to prevent liner cavitation in the 3D82AE-3FA engine. Monitor hydraulic oil viscosity and particle count during the 1,000-hour service to detect pump wear early. Track final drive oil levels at each 250-hour check to identify seal failures before they contaminate the undercarriage. Use KOMTRAX telematics data to correlate load frequency with fluid degradation rates for optimized change intervals.

Corrective & Common Repairs

Address frequent hydraulic hose failures by inspecting routing near the boom and stick cylinders during every 250-hour service. Replace the fuel filter and drain the water separator at 500 hours to protect the injection pump from contamination common in older fuel systems. Check the air filter restriction indicator daily; clogged filters reduce the 19 kW output of the naturally aspirated engine. Inspect the swing bearing for play and noise, as the axial piston motor drive can accelerate wear if lubrication is neglected. Replace worn track shoes and sprockets as a set to prevent uneven undercarriage wear on the 40-shoe track.

Overhaul & Rebuild Points

Plan for major hydraulic pump overhaul around 10,000 to 12,000 hours, indicated by loss of flow or pressure relief valve adjustments exceeding factory specs. The 3D82AE-3FA engine typically requires valve adjustment and injector service between 8,000 and 10,000 hours. Inspect the swing circle bolts and gear teeth for pitting or cracking during the 2,000-hour structural inspection. Check the final drive planetary gears for metal shavings in the oil during the 1,000-hour change. Monitor the turbocharger shaft play and housing clearance for wear-induced boost loss.

Seasonal & Environment Servicing

In cold climates, switch to SAE 10W engine oil and ensure the cooling system is protected to the appropriate ambient temperature rating. Drain the fuel water separator more frequently in humid or cold conditions to prevent ice formation in the lines. In dusty environments, clean the radiator and oil cooler fins daily to maintain the 4.2 L cooling capacity efficiency. Check the battery electrolyte levels and terminal tightness in extreme heat to prevent overheating. Inspect rubber track components for UV cracking and hardening after prolonged sun exposure.

PC27R-8(S/N F30001-Up) common service parts

Part numberPart
YM129053-55620Fuel Filter Ass'YCheck fitment →
YM102103-55520O-Ring,(For Fuel Filter)Check fitment →
YM171051-92760Wrench,Fuel Filter? Water SeparatorCheck fitment →
YM119813-12600Air Filter, AssemblyCheck fitment →
YM119640-92750Wrench,Oil Filter? (Pc38uu)Check fitment →

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

PC27R-8(S/N F30001-Up) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
CA115Engine Ne and Backup Speed Sensor FaultFaulty crankshaft speed sensor, damaged wiring harness, or corroded connector at the sensor pin.Inspect the sensor wiring and connector for corrosion or damage. Test sensor voltage output and replace the sensor if faulty.
CA111ECM Critical Internal FailureInternal fault within the Electronic Control Module (ECM) or engine controller.Verify power and ground connections to the ECM. If connections are secure, replace or reprogram the ECM.
CA122Charged Air Pressure Sensor High ErrorIntake air pressure sensor reading too high, indicating a sensor fault or actual overpressure condition.Check the intake air pressure sensor wiring and connector. Verify sensor operation against known good values.
CA123Charged Air Pressure Sensor Low ErrorIntake air pressure sensor reading too low, indicating a sensor short, open circuit, or airflow restriction.Inspect the sensor for short circuits or open wiring. Check for physical blockages in the intake system.
CA153Charged Air Temperature Sensor High ErrorIntake air temperature sensor feedback voltage too high, indicating a sensor fault or actual high temperature.Check the intake air temperature (IAT) sensor wiring and connector. Replace the sensor if the circuit is intact but readings are incorrect.
CA154Charged Air Temperature Sensor Low ErrorIntake air temperature sensor feedback voltage too low, indicating a sensor short or open circuit.Inspect the IAT sensor wiring for shorts to ground or opens. Replace the sensor if the wiring is verified good.
CA441Battery Voltage Low ErrorLow system voltage, potentially due to a weak battery, failing alternator, or poor connections.Check battery charge state and terminal connections. Test alternator output voltage and replace if out of specification.
CA442Battery Voltage High ErrorHigh system voltage, typically caused by a faulty voltage regulator or alternator.Inspect the alternator and voltage regulator. Replace the alternator if it is overcharging the system.
AA10NXAir Cleaner CloggingClogged air filter element restricting airflow to the engine.Inspect the air filter. Replace the filter element if it is clogged or damaged.
B@HANSHydraulic Oil OverheatingHydraulic oil temperature exceeding safe limits, often due to low oil level, clogged cooler, or excessive load.Check hydraulic oil level and condition. Inspect the hydraulic oil cooler for blockages and ensure the cooling fan is operating correctly.

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

PC27R-8(S/N F30001-Up) attachments & work tools

Buckets

Reference capacity is 0.2 cubic meters (0.2 cubic yards), with a minimum of 0.1 cubic meters (0.1 cubic yards) and maximum of 0.2 cubic meters (0.2 cubic yards). Bucket width is 0.45 meters (17.7 inches). Pin-on mounting is standard for this class; quick coupler compatibility varies by configuration.

Hydraulic hammers

The machine operates at a relief valve pressure of 210 bar (3046 psi) with a pump flow of 76 LPM (20.2 GPM). This hydraulic profile supports medium-class breakers in the 300–500 kg (660–1100 lbs) weight range. High-flow circuits are not standard; verify specific breaker requirements against the 76 LPM flow limit.

Quick couplers

Quick coupler types vary by configuration and series. The machine utilizes a pin-on attachment interface. Compatibility with aftermarket mechanical or hydraulic couplers depends on the specific boom/stick option (Hex 1 or Hex 2) and pin diameter, which varies by configuration.

Thumbs/grapples

Thumb kits are available for the PC27R-8. Grapple options are not explicitly detailed in the provided specifications. Attachment compatibility depends on the specific boom/stick option and pin diameter, which varies by configuration.

Rippers

Ripper attachments are not documented for this exact serial range in the provided sources. Verify with your dealer for available ripper options and compatibility with the specific boom/stick configuration.

Hydraulic-kit notes

The standard hydraulic system relief pressure is 210 bar (3046 psi). The main pump flow is 76 LPM (20.2 GPM). High-flow circuits are not specified for this model. Attachments requiring high flow or auxiliary pressure must be verified against these standard limits.

All PC27R-8(S/N F30001-Up) assemblies by section

Every catalogued assembly group for the Komatsu PC27R-8(S/N F30001-Up). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Control System And Revolving Frame
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Attachment Control Pedal
3F***51Pedal1
3F***52Support1
80***08Bolt (Only With Cabin)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Blade Control Lever
30***44Washer1
3F***52Link1
3F***53Cable2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Boom Swing Control Pedal
3F***53Fork1
3F***60Link1
3F***61Fork1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Counter Weight
3F***00Ballast1
80***16Bolt2
80***05Washer2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Fuel Control Lever
39***39Pin1
3F***50Fuel Lever1
3F***51Cable1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : L.H. Lock Lever
30***67Bushing1
39***33Pin1
3F***73Pin1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : L.H. Servocontrol
39***06Hose2
39***07Hose1
39***08Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Lateral Protection
3F***04Protection, R.H1
3F***05Protection, L.H1
80***13Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Lubricating Oil System
20***09Union4
3F***00Hose1
3F***00Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : R.H. Lock Lever
30***67Bushing1
39***38Pin1
3F***59Lever, R.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : R.H. Servocontrol
39***04Hose2
39***05Hose2
3F***64Elbow4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Revolving Frame
3F***03Gasket1
3F***53Frame, Revolving1
3F***07Bushing2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Servocontrol Lock System : Unit_01_of_02
39***37Pin1
3F***50Cylinder, Assembly1
3F***53Link1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Servocontrol Lock System : Unit_02_of_02
39***37Pin1
39***09Spacer2
3F***50Cylinder, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Control System And Revolving Frame : Travel Control Lever
3F***56Support1
3F***57Pin1
3F***58Lever, L.H1
See all parts with full part numbers in Heavy Parts AI →
Engine
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Camshaft And Driving Gear
YM***02Nut1
YM***01Gear Ass'Y,Camshaft1
YM***00Rod,Push6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Cooling Water System
YM***02Bolt Plated2
YM***20O-Ring,(Not Shown)1
YM***20Plug,Drain(Without Oil Cooler Type)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Crankshaft And Piston
YM***00Gear,Crank1
YM***00Connecting Rod, Assembly3
YM***80Piston, Assembly3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Cylinder Block
YM***30Thrust Metal Ass'Y (Std)2
YM***60Cylinder Block, Assembly1
YM***00Plug2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Cylinder Head
87***22Motor, Assembly1
YM***20Cover, Breather1
YM***51Cap, Lub. Oil Supply1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Exhaust Manifold
YM***02Stud2
YM***80Collar1
YM***02Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Flywheel - Lubricating Oil Sump
YM***50Oil Seal Case, Assembly1
YM***80Seal? Rear1
YM***02Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Fuel Injection Line
YM***70Union1
YM***20Retainer, Pipe1
YM***20Spring3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Fuel Injection Pump
YM***70Retainer, Spring3
YM***50Kit, Shim1
YM***10Plate? Caution1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Fuel Line
YM***40Lever1
YM***00O-Ring (Kit)1
YM***50Cartridge1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Gasket Set - Tool (Optional)
YM***60O-Ring,Fuel Injection Pump1
YM***60Wrench,Fuel Filter? Water Separator1
YM***40O-Ring,Drain Plug1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Gear Housing
YM***60O-Ring,Fuel Injection Pump1
YM***02Bolt Plated2
YM***51Cap, Lub. Oil Supply1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Generator
YM***00Relay Ass'Y,Safety1
YM***02Nut1
YM***50Brush Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Governor
YM***01Weight Assembly., Governor1
YM***40Lever,Control1
YM***30Spacer,Lever Shaft1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Lubricating Oil Pump
YM***50Nut1
YM***00Valve,Relief1
YM***02Bolt Plated3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Starter Motor
YM***20Holder Ass'Y,Brush1
YM***50Stopper Ass'Y1
YM***20Pinion, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine : Suction Manifold - Air Cleaner
YM***90Gasket,(Not Shown)1
YM***02Screw2
YM***10Case, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Engine Related Parts And Electrical System
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Air Suction - Muffler
3F***54Support1
3F***05Pipe1
3F***06Clamp1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Battery
50***68Bracket1
50***05Gasket1
50***06Gasket1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Electrical System (Box Line) : Unit_01_of_02
3F***20Support1
3F***69Support1
3F***84Support1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Electrical System (Box Line) : Unit_02_of_02
3F***20Support1
3F***69Support1
3F***84Support1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Electrical System (Engine Line)
80***08Bolt (Only With Cabin)3
80***33Bolt1
80***05Nut1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Line)
80***64Screw1
80***66Bolt3
80***08Bolt (Only With Cabin)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Electrical System (Rotary Beam Line) (Cabin)
80***86Washer1
80***12Screw3
80***08Nut1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Electrical System (Rotary Beam Line) (Canopy)
80***86Washer1
80***12Screw3
80***08Nut1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
3F***58Damper4
3F***59Support1
3F***60Support1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Fuel Piping
3F***06Protection1
3F***11Hose2
3F***23Spring1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Fuel Tank
3F***57Plug1
3F***53Filler1
3F***54Tank1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Instrument Panel
3F***05Plate, Ignition Panel1
3F***67Rest, Arm2
3F***79Cover, R.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Power Take Off
3F***52Joint, Assembly1
3F***03Spacer1
3F***50Cover1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Radiator
20***30Conveyor1
50***87Washer3
80***87Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Radiator (Mounting Parts)
3F***60Protection1
3F***06Sheet1
3F***00Sheet1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Engine Related Parts And Electrical System : Reserve Tank And Piping
3F***51Tank1
3F***05Support1
3F***03Support1
See all parts with full part numbers in Heavy Parts AI →
Guard And Operator'S Cab
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Battery Hood
3F***70Hood, Battery1
3F***00Spring1
3F***12Rubber1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (1/7)
3F***57Operator'S Cab, Assembly1
80***06Bolt4
80***09Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (2/7)
3F***58Conveyor1
3F***62Striker1
80***84Screw12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (3/7)
80***63Bolt12
80***84Screw2
80***86Washer5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (4/7)
80***64Screw10
80***56Screw2
80***06Self-Lockig Nut4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (5/7)
80***84Screw4
80***08Bolt (Only With Cabin)2
80***92Screw3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (6/7)
80***56Screw6
80***05Spring Washer6
81***63Window, Upper, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (7/7)
80***57Screw3
80***65Screw4
80***66Self Taping Screw3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Cabin (Mounting Parts)
80***56Bolt8
80***66Bolt2
80***02Spring Washer10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Canopy
3F***50Canopy1
80***10Bolt (Canopy)4
80***87Bolt4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Electrical System (Operator'S Cab)
81***95Grommet1
81***78Cab Wiring, Assembly1
81***79Wiring1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Engine Hood (1/2)
3F***56Hood, Fixed1
3F***08Plate1
3F***11Sheet1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Engine Hood (2/2)
3F***60Lock, Assembly1
3F***02Catch1
3F***53Hinge1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Floor Mat (For Cabin)
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Floor Mat (For Canopy)
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Front Guard (Canopy)
3F***56Protection, Front1
80***34Bolt4
80***06Nut2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Heating System
39***33Union1
39***37Union1
3F***10Protection1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Left Side Cover
3F***54Hood1
3F***27Hood, L.H1
3F***32Sheet1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Operator'S Seat (For Cabin)
39***69Washer1
3F***62Hinge1
3F***13Cover1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Operator'S Seat (For Canopy)
39***69Washer1
3F***62Hinge1
3F***13Cover1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Platform (For Cabin)
39***93Washer4
3F***75Platform1
3F***08Damper8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Platform (For Camopy)
39***93Washer4
3F***31Sheet1
3F***75Platform1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Right Side Cover
3F***55Hood1
3F***28Hood, R.H1
3F***29Sheet1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Guard And Operator'S Cab : Windscreen Washer
80***28Screw2
81***09Tank, Assembly1
81***92Motor, Hydrostatic Pump1
See all parts with full part numbers in Heavy Parts AI →
Mark Plate
Komatsu : Pc27r-8(S/N F30001-Up) : Mark Plate : Accessories (Tbg Version)
20***60Support (Only For Tbg)1
3F***00Spacer (Only For Tbg)1
3F***00Plug (Only For Tbg)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Mark Plate : Mark Plate (Cabin)
3F***38Antislip2
81***55Kit, Mark Plate1
81***67Mark Plate Kit Pc271
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Mark Plate : Mark Plate (Canopy)
3F***38Antislip2
81***55Kit, Mark Plate1
81***68Mark Plate Kit Pc271
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Mark Plate : Tools
82***35Grease Pump1
82***43Filter Cartridge Wrench1
82***49Cartridge, Grease1
See all parts with full part numbers in Heavy Parts AI →
Swing Circle And Swing Machinery
Komatsu : Pc27r-8(S/N F30001-Up) : Swing Circle And Swing Machinery : Swing Circle
80***77Bolt31
80***20Pin2
80***43Swing Circle1
See all parts with full part numbers in Heavy Parts AI →
Under Carriage
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Carrier Roller
3F***52Track Roller, Assembly2
3F***01Shaft1
3F***02Spacer1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Hydraulic Piping (Travel Motor Line)
39***14Hose2
39***15Hose4
39***19Hose2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Rubber Shoe) (1/2) : Unit_01_of_02
3F***06Idler1
3F***00Support, R.H1
3F***01Support, L.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Rubber Shoe) (1/2) : Unit_02_of_02
3F***52Idler, L.H., Assembly1
3F***53Idler, R.H., Assembly1
3F***06Idler1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Rubber Shoe) (2/2) : Unit_02_of_02
20***55Cylinder1
3F***50Piston Rod1
3F***51Valve1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Rubber Shoe) (2/2) : Unit_01_of_02
20***55Cylinder1
3F***50Piston Rod1
3F***51Valve1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Steel Shoe) (1/2) : Unit_02_of_02
3F***54Idler, L.H., Assembly1
3F***55Idler, R.H., Assembly1
3F***06Idler1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Steel Shoe) (1/2) : Unit_01_of_02
3F***06Idler1
3F***00Support, R.H1
3F***01Support, L.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Steel Shoe) (2/2) : Unit_01_of_02
20***55Cylinder1
3F***50Piston Rod1
3F***51Valve1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Idler (For Steel Shoe) (2/2) : Unit_02_of_02
20***55Cylinder1
3F***50Piston Rod1
3F***51Valve1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Rubber Shoe
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Sprocket
20***50Sprocket2
80***35Bolt16
80***54Screw18
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Track Frame
3F***52Track Roller, Assembly2
3F***52Frame, Track1
80***19Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Track Frame Cover
3F***53Cover, R.H1
3F***54Cover, L.H1
3F***47Cover, Rear1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Track Guard
3F***00Protection, L.H2
3F***01Protection, R.H2
80***60Bolt12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Track Roller
3F***51Track Roller, Assembly8
3F***00Roller1
50***80Bushing2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Under Carriage : Track Shoe (For Steel Shoe)
3F***51Shoe, Assembly39
3F***52Shoe, Assembly1
3F***05Bushing2
See all parts with full part numbers in Heavy Parts AI →
Work Equipment
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Arm
3F***04Plate2
3F***51Arm1
3F***08Bushing2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Arm Cylinder : Unit_01_of_02
3F***22Bushing2
3F***13Cylinder Head1
3F***55Arm Cylinder, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Arm Cylinder : Unit_02_of_02
3F***22Bushing2
3F***13Cylinder Head1
3F***56Cylinder1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Blade
20***76Pin4
3F***22Bushing2
3F***51Blade, Dozer1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Blade Cylinder
3F***02Cylinder Head1
3F***10Piston1
3F***22Bushing2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom
20***80Hose-Clamp2
39***47Hose-Clamp1
39***06Hose-Clamp2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom Cylinder (For Cabin) : Unit_02_of_02
3F***65Boom Cylinder, Assembly1
3F***66Cylinder1
3F***67Spool, Boom1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom Cylinder (For Cabin) : Unit_01_of_02
3F***52Piston Rod1
3F***60Boom Cylinder, Assembly1
3F***61Cylinder1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom Cylinder (For Canopy)
3F***52Piston Rod1
3F***58Boom Cylinder, Assembly1
3F***59Cylinder1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom Cylinder Cover
3F***11Slide Block2
3F***16Slide Block2
3F***13Protection1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom Swing Cylinder : Unit_02_of_02
3F***06Piston1
3F***11Bushing2
3F***51Cylinder1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom Swing Cylinder : Unit_01_of_02
3F***06Piston1
3F***11Bushing2
3F***50Boom Swing Cylinder1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Boom Swing Cylinder (Mounting Parts)
3F***04Plate1
3F***10Shim3
3F***06Pin1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Bucket
3F***61Bucket L=450 mm1
3F***62Bucket L=250 mm1
3F***63Bucket L=350 mm1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Bucket Cylinder
3F***05Spacer1
3F***07Piston1
3F***22Bushing1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Bucket Link
3F***04Plate2
3F***50Lever, L.H1
3F***51Lever, R.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Bucket Pin
3F***51Pin2
50***45Shim2
80***04Pin, Safety2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Ditch-Cleaning Bucket
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Hydraulic Piping (Blade Line) (Lower)
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Hydraulic Piping (For Attachment) (1/3)
20***80Hose-Clamp1
39***22Hose1
39***50Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Hydraulic Piping (For Attachment) (2/3)
39***77Hose1
39***08Hose1
3F***56Pipe1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Hydraulic Piping (For Attachment) (3/3)
20***52Fitting (For Hand Hammer)1
20***53Body (For Hand Hammer)1
20***62Plug (For Hand Hammer)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Long Arm
3F***04Plate2
3F***08Bushing2
3F***10Bushing2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment : Swing Bracket
3F***04Plate1
3F***10Shim1
3F***01Bracket, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Work Equipment Control System
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (1/12)
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (10/12)
89***79Suction Valve, Assembly9
89***04O-Ring1
89***38Holder, Valve W/Case1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (11/12)
89***71O-Ring2
89***73Ring, Wear1
89***05O-Ring2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (12/12)
89***79Suction Valve, Assembly1
89***04O-Ring1
89***59Valve, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (2/12)
89***62Cover, Assembly1
89***40O-Ring2
89***41Stopper2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (3/12)
89***65O-Ring9
89***66O-Ring8
89***67O-Ring9
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (4/12)
89***69O-Ring1
89***73Cover, Assembly3
89***74Cover1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (5/12)
89***22Spring2
89***55Gasket8
89***39O-Ring2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (6/12)
89***37Plug3
89***05O-Ring14
89***10Valve1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (7/12)
89***24Spring1
89***58Plug1
89***80O-Ring1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (8/12)
89***78O-Ring1
89***80Ring, Wear1
89***40Safety Valve, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Control Valve (9/12)
89***78O-Ring1
89***39Relief Valve, Assembly1
89***37O-Ring1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Final Drive
84***84Final Drive, Assembly2
84***16Ring, Snap3
84***19Bearing1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line With Adjustable Orifice Valve)(Optional)
39***25Hose1
39***26Hose1
39***04Hose2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line)
39***25Hose1
39***26Hose1
39***04Hose2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Blade Line) (Upper)
39***02Hose1
39***03Hose1
3F***69Union2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line) (For Cabin)
39***31Hose2
39***05Hose2
3F***65Union2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line) (For Canopy)
39***31Hose2
39***05Hose2
3F***65Union2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Swing Cylinder Line)
39***17Hose1
39***18Hose1
3F***65Union1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Boom Swing Line)
39***18Hose2
3F***69Union2
50***05Elbow2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line)
39***28Hose2
39***04Hose2
3F***65Union2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Bucket) (For Long Arm)
39***30Hose2
39***04Hose2
3F***65Union2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Delivery Line)
30***59Elbow1
30***59Plug1
39***81Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Drain)
39***48Hose2
39***55Hose1
39***82Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Oil Cooler And Return Line)
39***02Sleeve1
39***05Sleeve1
39***10Sleeve1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Servocontrol Line)
20***43Union2
39***13Union1
39***79Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Suction Line)
3F***52Flange1
3F***50Pipe1
3F***00Sleeve1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping (Travel Motor Line) (Upper)
39***09Hose1
39***03Hose1
39***11Hose2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping L.H. (Servocontrol Line)
39***04Union1
39***05Union1
39***82Hose2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Piping R.H. (Servocontrol Line)
39***04Union1
39***05Union1
39***71Hose1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Pump (1/6)
3F***50Hydraulic Pump1
89***54Pin1
89***47O-Ring1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Pump (2/6)
89***39O-Ring1
89***47O-Ring1
89***67Pin3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Pump (3/6)
89***03Pc Valve, Assembly1
89***04Gasket3
(8***9)Main Pump, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Pump (4/6)
89***06Nut1
89***80O-Ring1
89***68O-Ring1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Pump (5/6)
89***07Gear Pump, Assembly1
(3***0)Hydraulic Pump1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Pump (6/6)
89***81O-Ring1
89***54O-Ring1
89***70O-Ring2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Hydraulic Tank
20***59Indicator Oil Level1
3F***52Plug1
3F***52Hydraulic Tank1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Ppc Valve (Attachment)
89***83Ppc Valve1
89***12Body Valve1
89***13Shim, 0.300 mm2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Ppc Valve (Work Equipment Control)
89***41O-Ring1
89***13Shim, 0.300 mm4
89***17Piston4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Ppc Valve (Work Equipment)
3F***56Ppc Valve2
89***41O-Ring1
89***13Shim, 0.300 mm4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Ppc Valve, L.H. : Unit_02_of_02
80***02Spring Washer1
89***06Nut2
89***02Bolt1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Ppc Valve, L.H. : Unit_01_of_02
80***02Spring Washer1
89***06Nut2
89***02Bolt1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Ppc Valve, R.H. : Unit_01_of_02
89***06Nut2
89***02Bolt1
89***56Ppc Valve, R.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Ppc Valve, R.H. : Unit_02_of_02
89***06Nut2
89***02Bolt1
89***56Ppc Valve, R.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Swing Machinery (1/2)
84***58Bearing1
84***98Plug1
84***99Washer1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Swing Machinery (2/2)
84***38Swing Motor, Assembly1
84***39Motor Housing Kit1
84***40Kit, Cylinder Head, Assembly1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Swivel Joint
20***03Pin1
20***05Gasket1
20***06Ring, Wear1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Swivel Joint (Mounting Parts)
3F***00Plate1
80***08Bolt (Only With Cabin)2
80***43Bolt4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Travel Motor (1/2)
84***91Travel Motor, Assembly1
84***00Cylinder Block Kit1
84***01Kit, Swash Plate1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : Pc27r-8(S/N F30001-Up) : Work Equipment Control System : Travel Motor (2/2)
84***94Kit, Cylinder Head, Assembly1
84***95Braking Valve Kit1
84***96Plunger Kit1
See all parts with full part numbers in Heavy Parts AI →

PC27R-8(S/N F30001-Up) serial number reference

The PIN 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 first three characters of the 17-character ISO PIN stamped on this plate.

PrefixIdentifies
FStandard

Frequently asked questions

What engine does the PC27R-8 use?

The PC27R-8 uses a Komatsu 3D82AE-3FA naturally aspirated diesel engine with 3 cylinders and 1,330.6 cc displacement.

What is the operating weight of the PC27R-8?

The operating weight is 2,970 kg (6,548 lbs), varying slightly by configuration and attachment package.

What model replaced the PC27R-8?

The PC27R-8 was succeeded by the PC27MR-1A and PC27MRX-1A series mini excavators.

What PC27R-8(S/N F30001-Up) owners discuss

What engine powers the Komatsu PC27R-8 with serial number F30001-Up?
The PC27R-8 (S/N F30001-Up) is powered by a Yanmar 3TNV series diesel engine. This differs from the earlier PC27R-8 units (S/N 10001-Up to F30000) which may utilize different engine configurations depending on the specific production batch and regional emissions requirements. The Yanmar engine is integrated with a lever throttle system for manual RPM control during operation. have your dealer verify the exact engine model code stamped on the engine block for your specific unit.
How does the PC27R-8 hydraulic system behave under heavy load, and what are common failure points?
The PC27R-8 utilizes a load-sensing hydraulic system with proportional control levers. Under heavy load, such as deep digging or pivoting with tracks engaged, the engine may bog down or stall if the operator does not reduce hydraulic flow. Common hydraulic issues include weak attachment movement or complete loss of drive motor function, often caused by incorrect pressure equalization in the control spools or mechanical washing out of the main pump. After hydraulic line replacements, loss of boom function is a frequent complaint due to improper valve alignment or air entrapment. have your dealer verify the main relief valve settings and pump flow rates against factory specifications.
What are the typical undercarriage wear patterns and maintenance concerns for this machine?
As a compact excavator with a transport width of 1.5 meters (4.93 ft) and a track width of 300 mm, the PC27R-8 is prone to rapid undercarriage wear when operating in abrasive conditions or on rough terrain. The machine's 3.07-ton operating weight concentrates ground pressure on the track shoes. Typical wear patterns include elongation of track links, wear on the sprocket teeth, and failure of carrier rollers. The track shoes per side and the number of carrier rollers are specific to the configuration; inspecting these components early prevents catastrophic track derailment. have your dealer verify the undercarriage component measurements against the original factory tolerances.
What electrical and sensor issues are commonly reported by owners?
Owners report intermittent starting, dashboard failures, and random shutdowns linked to unstable power supplies or faulty sensors. A specific known issue involves the voltage regulator/current limiter for the Yanmar engine's electrical system, which can fail and stop battery charging. Some operators note that the rectifier/voltage regulator assembly is difficult to source as a standalone replacement, sometimes requiring a full alternator swap or system conversion. Intermittent fault codes can also trigger multiple warning signals simultaneously. have your dealer verify the integrity of the charging circuit and sensor ground connections.
What should be checked when buying a used PC27R-8 (S/N F30001-Up)?
When inspecting a used PC27R-8 (S/N F30001-Up), verify the engine oil capacity and type, as the PC27R series may require SAE 40 engine oil in the pan depending on ambient temperature, whereas earlier PC20R units used SAE 10W or 20W-20. Check the hydraulic fluid level with the machine on level ground and cold oil, as incorrect levels lead to pump cavitation. Inspect the lever throttle mechanism for proper full-throttle engagement, as failure here causes stalling under load. Confirm the serial number prefix 'F' to ensure you are referencing the correct service manual for the Yanmar engine variant. have your dealer verify the engine oil and hydraulic fluid specifications match the machine's operating environment.
How does the PC27R-8's hydraulic pump configuration differ from similar models?
The PC27R-8 (S/N F30001-Up) uses a specific hydraulic pump configuration that is not interchangeable with the PC27MR or earlier PC27R-8 units (S/N 10001-Up to F30000). Installing a pump meant for a different variation can cause incorrect pressure equalization and failure to build differential pressure. The control spool must float correctly to allow proportional movement. Cross-referencing the serial number is critical because the pump housing and internal tolerances vary between the standard R-series and the MR (Mini Radius) series. have your dealer verify the pump part number and serial range compatibility before purchase or replacement.
What are the cooling system and fluid capacity specifics for the PC27R-8?
The PC27R-8 cooling system requires specific coolant levels to prevent overheating, which can manifest as steam from the radiator breather pipe. The engine oil pan capacity and type are distinct from the PC20R-8; the PC27R typically uses SAE 40 oil in the pan for standard operations, while the PC20R uses SAE 10W or 20W-20. The hydraulic system fluid capacity must be checked with cold oil to ensure accurate readings. The fuel tank capacity and reservoir fluid levels are also critical for sustained operation. have your dealer verify the fluid capacities and specifications in the operation and maintenance manual for your specific serial range.

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 PC27R-8(S/N F30001-Up). Related factory variants of the same model family:

PC27R-8(S/N 10001-UP)PC27R-8(S/N F31103-Up)

Need a specific PC27R-8(S/N F30001-Up) part?

Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.