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Popular Diesel Engine Specs

Komatsu 12v140 Diesel Engine Bolt Tightening Torques

 
Komatsu 12v140
Main Bearing Bolts 
Step1 = 290 Nm
Step2 = 570 Nm
Step3 = +90 degrees

 
Komatsu 12v140
Connecting Rod Bolts
Step1 = 70 Nm
Step2 = recheck 70 Nm
Step3 = + 90°

 
Komatsu 12v140
Cylinder head Bolts 
bolts 1-6:
Step1 = 150 Nm
Step2 = 220 Nm
Step3 = + 90°

bolt No. 7:
Step1 = 70 Nm

 

Komatsu 12v40 Diesel Engine Specs

 
Komatsu 12v140
Arrangement
12v engine, 
turbocharged

Displacement
30.5 liter

Bore
140.0 mm	
 
Stroke
165.0 mm

 
Komatsu 12v140
Power
574-603 kW @ 2000 rpm

Torque
3350-3730 Nm @ 1400 rpm

 
Komatsu 12v140
Dimensions
approx dimensions
varies according to machine:

length = 1715-2000 mm
width  = 1450-1515 mm
height = 1592 mm

Weight
approx:
3200 kg

 

Komatsu 12v40 engine - Diesel engine workshop repair Manuals

 



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