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Doosan D12-P126 Essential Diesel Engine Bolt Tightening Torques
Doosan D12-P126
Main Bearing Bolts
M16 x 1.5 bolts
Step 1 = 150 Nm
Step 2 = 250 Nm
Step 3 = 300 Nm
Doosan D12-P126
Connecting Rod
Bolt Torque
M14 x 1.5 bolts
Step 1 = 100 Nm
Step 2 = 150 Nm
Step 3 = 280 Nm
Doosan DE12T, P126TI
Cylinder Head
Bolt Torque
M14 x 1.5 bolts
Step 1 = 60 Nm
Step 2 = + 180 degrees
Step 3 = + 150 degrees
Doosan DE12 T TI TIS
Cylinder Head Bolts
M14 x 1.5 type 1 bolts
Step 1 = 245 Nm
M14 x 1.5 type 2 bolts
Step 1 = 60 Nm
Step 2 = + 180 degrees
Step 3 = + 150 degrees
M14 x 1.5 type 3 bolts
Step 1 = 60 Nm
Step 2 = + 90 degrees
Step 3 = + 90 degrees
Step 4 = + 30 degrees
N.B. - Careful
There are different types of Doosan DE12 T TI TIS Cylinder Head Bolts, and each type has it's own specific torque.
Doosan D12-P126 Diesel Engine Specs
Doosan D12-P126C
Displacement,
Arrangement,
Bore and Stroke
Arrangement
6 cylinder In-line
4-stroke Cycle
Turbocharged
Water-cooled
Displacement
11.051 liter
Bore
123 mm
Stroke
155 mm
Compression Ratio
17.1:1
Doosan D12-P126
Weight and Dimensions
Dimensions
Approx
Weight
Length 1,365 mm
Width 870 mm
Height 1046 mm
Weight
910 kg
Power - Stand by
166 kW @ 1500 rpm
199 kW @ 1800 rpm
Diesel Engine Specs