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Komatsu 4D105 specifications and manuals



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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.


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Komatsu 4D105-3 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 4D105 engines at Barrington Diesel Club

Komatsu 4D105-3 workshop repair manual

Komatsu 4D105-3 essential bolt tightening torques

Main Bearing Bolts 
step 1 = 90 Nm
step 2 = 137 Nm
step 3 = loosen all
step 4 = 90 Nm
step 5 = 137 Nm
step 6 = 196 Nm

Connecting Rod Bolts
step 1 = 60 Nm
step 2 = 110 Nm
step 3 = loosen all
step 4 = 60 Nm
step 5 = 110 Nm

Cylinder head Bolts
step 1 = 200 Nm
step 2 = 320 Nm
step 3 = 400 Nm

Komatsu 4D-105-3 engine specifications

Arrangement
4 cylinder 
4-stroke cycle engine 
turbocharged

Displacement
4.33 liter

Bore
105 mm

Stroke
125 mm

Compression ratio:
4D 105 = 17.0 
S4D105 = 15.5

Power 
50-90 hp, 37-67 kW @ 2400 rpm

Dimensions approx:
length 986 mm
length 775 mm
height 1375 mm (with silencer)

Weight approx:
540 kg




Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
© copyright Steve Barrington 2016

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