Komatsu 12v140 Manuals, Engine Specifications & Bolt Torques

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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 degrees

Komatsu 12v140
Cylinder Head Bolts

For bolts 1-6:
Step1 = 150 Nm
Step2 = 220 Nm
Step3 = + 90 degrees

Bolt No. 7:
Step1 = 70 Nm

Komatsu 12v140
Displacement,
Arrangement,
Bore and Stroke

Arrangement
12v engine,
turbocharged

Displacement
30.5 liter

Bore
140.0 mm

Stroke
165.0 mm

Komatsu 12v140
Power and Torque

Power
574-603 kW @ 2000 rpm

Torque
3350-3730 Nm @ 1400 rpm

Komatsu 12v140
Weight and Dimensions

Dimensions
Approx dimensions
Varies according to machine:

Length = 1715-2000 mm
Width = 1450-1515 mm
Height = 1592 mm

Weight
approx
3200 kg