Komatsu 68E thru 88E Engine Service Manual

Komatsu 68E 88E service manual

This Covers and  contains the following 3 manuals

1. Komatsu 68E 88E service manual
2. Komatsu PC20R-8,PC25R-8,PC27R-8 shop manual
3. Komatsu PC27R-8 operation and maintenance manual.

Komatsu 68E-88E series engine service manual. This manual covers the following models.
2D68E,3D68E,3D74E,3D78AE,3D62AE,3D82E,3D84E,3D88E,4D84E,4D82E,4D88E,S3D84E,S4D84E.
This is a high-quality workshop manual which covers all aspects of engine rebuilding.212 pages.
The PC20R-8 uses 3D74E-3
The PC25R-8 and PC27R-8 both use the 3D82E-3 engine.

Komatsu 68E through 88E engine service manual

Komatsu PC20R-8,PC25R-8,PC27R-8 shop manual. This is the factory workshop manual,473 pages
PC20R-8 10001 and up
PC25R-8 10001 and up
PC27R-8 10001 and up
Komatsu PC27R-8 operation and maintenance manual. This is the factory O & M manual,209 pages
SERIAL NUMBERS PC27R-8 F31103 and up.

Komatsu PC20R-8,PC25R-8,PC27R-8 Workshop Service Manual

Komatsu Engine Specifications (Model 3D78AE-3FA)

  • Make: Komatsu
  • Model: 3D78AE-3FA
  • Power:
    • Gross: 26.7 hp (19.9 kW) @ 2600 rpm
    • Net: 23.3 hp (17.4 kW) @ 2600 rpm
  • Displacement: 73.5 cu in (1.2 L)
  • Torque:
    • Max: 53.5 lb ft (72.5 Nm) @ 1600 rpm
  • Number of Cylinders: 3
  • Aspiration: Natural

Komatsu Excavator Specifications (Possible Model: PC20R-8)

  • Operating Weight: 5588.7 lb (2535 kg)
  • Fuel Capacity: 9.2 gal (35 L)
  • Cooling System Fluid Capacity: 1.1 gal (4 L)
  • Hydraulic System Fluid Capacity: 7.7 gal (29 L)
  • Engine Oil Capacity: 0.95 gal (3.6 L)
  • Operating Voltage: 12 V
  • Alternator Supplied Amperage: 40 amps

Hydraulic System

  • Hydraulic System Relief Valve Pressure: 3045.8 psi (21000 kPa)
  • Hydraulic Pump Flow Capacity: 15.7 gal/min (59.6 L/min)

Swing Mechanism

  • Swing Speed: 9 rpm

Undercarriage

  • Number of Shoes per Side: 38
  • Shoe Size: 9.8 in (250 mm)
  • Number of Track Rollers per Side: 3
  • Ground Pressure: 1.6 psi (kPa)
  • Max Travel Speed: 2.7 mph (4.3 km/h)
  • Track Gauge: 3.7 ft (1120 mm)

Note: This list combines engine specifications with what are likely specifications for a compatible excavator model (possibly the PC20R-8) based on available online information.


Komatsu PC20R-8,PC25R-8,PC27R-8 Workshop Service Manual
Komatsu PC20R-8,PC25R-8,PC27R-8 Workshop Service Manual
1. Komatsu 68E thru 88E engine service manual 2. Komatsu PC20R-8,PC25R-8,PC27R-8 shop manual 3. Komatsu PC27R-8 operation and maintenance manual
Price: $37.99