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Komatsu 4D95 specifications and manuals

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We provide diesel engine specs and manuals
Your Detroit Diesel Specs

Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque. Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.

Some Popular Engine Specs

Komatsu S4D95LE-3 diesel engine pdf repair manual, specs, bolt torques

At Barrington Diesel club, we do diesel engine manuals, specs, bolt torques
Useful information for owners and repairers of Komatsu 4D95 engines at Barrington Diesel Club

Komatsu 4D95-3 pdf diesel engine workshop repair manual

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 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 engine specifications

4 cylinder 
4-stroke cycle engine 

4.33 liter

105 mm

125 mm

Compression ratio:
4D 105 = 17.0 
S4D95 = 15.5

Rated output: 40 kW,54 hp
@ 1,850 rpm
Max torque:  235 Nm @ 1,500 rpm

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

Weight approx:
300 kg

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Phone: +27 72 754 4660
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