Komatsu 4D95-3 Diesel Engine specifications and manuals

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Workshop manual, specs and bolt torques for Komatsu 4D95-3 engines

Komatsu 4D95-3 Essential Diesel Engine Bolt Tightening Torques

Main Bearing Bolts 
Step 1 = 113 Nm
Step 2 = loosen completely
Step 3 = 132 Nm

Connecting Rod Bolts
Step 1 = 40 Nm
Step 2 = +90°

Cylinder head Bolts
Step 1 = 70 Nm
Step 2 = 110 Nm
Step 3 = +90°

Komatsu S4D95LE-3 Diesel Engine Specs

Arrangement
4 cylinder 
4-stroke cycle engine 
turbocharged

Displacement
4.33 liter

Bore
105 mm

Stroke
125 mm

Compression ratio:
4D 105 = 17.0 
S4D95 = 15.5

Power
S4D95LE-3 
Rated output: 40 kW,54 hp
@ 1,850 rpm
Torque
Max torque:  235 Nm @ 1,500 rpm

Dimensions approx:
S4D95LE-3
length 780 mm
width 640 mm
height 1082 mm (with silencer)

Weight approx:
S4D95LE-3
300 kg


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



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Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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