Komatsu 12v140 engine specifications and workshop manual


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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.


Some Popular Engine Specs


Komatsu 12v-140 engine specs, bolt torques and manuals

Komatsu 12v140 engine essential bolt tightening torques

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

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

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

bolt No. 7:
Step1 = 70 Nm

Komatsu 12v140 engine workshop repair and service manual

Komatsu 12v140 key engine specs

Arrangement
12v engine, 
turbocharged

Displacement
30.5 liter

Bore
140.0 mm	
 
Stroke
165.0 mm

Power
574-603 kW @ 2000 rpm

Torque
3350-3730 Nm @ 1400 rpm

Dimensions
approx dimensions
varies according to machine:

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

Weight
approx:
3200 kg




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