Komatsu 6D140 engine specifications and workshop manual

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Your Diesel Engine 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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6D140 Komatsu engine specs, bolt torques, workshop manual

Komatsu 6D140 Workshop Manual

Komatsu 6D140 Essential Bolt torques

Main Bearing bolts
Step1 = 120 Nm
Step2 = 235 Nm
Step3 = +90 degrees

Connecting Rod Bolts
Step1 = 30 Nm
Step2 = 130 Nm
Step3 = + 90°

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

bolt No. 7:
Step1 = 70 Nm

Komatsu 6D140 key engine specs

15.2 liter

140 mm 

165 mm

6 cylinder in line turbo

332 kW @ 2000 rpm

1990 Nm @ 1400 rpm

Komatsu 6D-125 engine
Komatsu 6D-140 engine, image from workshop manual
length = 1461 mm
width  = 966 mm
height = 2020 mm

varies with application:
1765 Kg

Barrington Diesel Club
Phone: +27 72 754 4660
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