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Popular Diesel Engine Specs

Komatsu 4D105-3 Essential Diesel Engine Bolt Tightening Torques

 
Komatsu 4D105-3
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

 

Komatsu 4D105-3
Connecting Rod Bolts
step 1 = 60 Nm
step 2 = 110 Nm
step 3 = loosen all
step 4 = 60 Nm
step 5 = 110 Nm

 

Komatsu 4D105-3
Cylinder head Bolts
step 1 = 200 Nm
step 2 = 320 Nm
step 3 = 400 Nm

 

Komatsu 4D105-3 Diesel Engine Specs

 
Komatsu 4D105-3
Arrangement
4 cylinder 
4-stroke cycle engine 
turbocharged

 
Komatsu 4D105-3
Displacement
4.33 liter

Bore
105 mm

Stroke
125 mm

Compression ratio:
4D 105 = 17.0 
S4D105 = 15.5

 
Komatsu 4D105-3
Power 
50-90 hp, 37-67 kW @ 2400 rpm

 
Komatsu 4D105-3
Dimensions approx:
length 986 mm
length 775 mm
height 1375 mm (with silencer)

Weight approx:
540 kg

 

Komatsu 4D105-3 Diesel Engine workshop repair Manuals

 


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