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Komatsu 4D95-3 Diesel Engine workshop Repair Manuals


Engine model S4D95LE-3 covers Komatsu Machine Models PC78US-6, PC78UU-6 and PC78MR-6 
Engine model SAA4D95LE-3 covers Komatsu Machine Models PC138US-2, PC138USLC-2 and PC130-7

Komatsu 4D95-3 Essential Diesel Engine Bolt Tightening Torques


Komatsu 4D95-3Main Bearing Bolts
Step 1 = 113 Nm
Step 2 = loosen completely
Step 3 = 132 Nm

Komatsu 4D95-3Connecting Rod Bolts
Step 1 = 40 Nm
Step 2 = +90 degrees

Komatsu 4D95-3Cylinder Head Bolts
Step 1 = 70 Nm
Step 2 = 168 Nm
Step 3 = +90 degrees

Komatsu S4D95LE-3 Diesel Engine Specs


Komatsu 4D95-3Arrangement
4 cylinder
4-stroke cycle engine

Komatsu 4D95-3Displacement, bore, stroke and compression ratio
3.26 liter

95 mm

115 mm

Compression ratio
4D 105 = 17.0
S4D95 = 15.5

Komatsu 4D95-3Power and torque
Power S4D95LE-3
Rated output: 40 kW,54 hp
@ 1,850 rpm

Max torque: 235 Nm @ 1,500 rpm

Komatsu 4D95-3Dimensions and weight
Dimensions S4D95LE-3
length 948 mm
width 640 mm
height 1082 mm (with silencer)

Weight S4D95LE-3
300 kg

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