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Doosan DE12T, P126TI Essential Diesel Engine Bolt Tightening Torques
Doosan DE12T, P126TI
Main Bearing Bolts
M16 x 1.5 bolts
Step 1 = 150 Nm
Step 2 = 250 Nm
Step 3 = 300 Nm
Doosan DE12T, P126TI
Connecting Rod Bolts
M14 x 1.5 bolts
Step 1 = 100 Nm
Step 2 = 150 Nm
Step 3 = 280 Nm
Doosan DE12T, P126TI
Cylinder Head Bolts
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

There are different types of Doosan DE12 T TI TIS Cylinder Head Bolts, and each type has it's own specific torque.
Doosan DE12T Diesel Engine Specs
Doosan DE12T Displacement, bore, stroke and compression ratio
Displacement
11.051 liter
Bore
123 mm
Stroke
155 mm
Compression ratio
17.1:1
Doosan DE12T Dimensions and weight
Dimensions
approx
Length 1,365 mm
Width 870 mm
Height 1046 mm
Weight
approx
910 kg
Doosan DE12T Arrangement and power
Arrangement
6 cylinder In-line
4-stroke cycle
turbocharged
water-cooled
Power - Stand by
166 kW @ 1500 rpm
199 kW @ 1800 rpm
Doosan P126TI turbo-intercooled Diesel Engine Specs
Doosan P126TI turbo-intercooled Displacement, bore, stroke and compression ratio
Displacement
11.051 liter
Bore
123 mm
Stroke
155 mm
Compression ratio
17.1:1
Doosan P126TI turbo-intercooled Dimensions and weight
Dimensions
approx
Length 1,383 mm
Width 870 mm
Height 1207 mm
Weight
approx
910 kg
Doosan P126TI Arrangement and power
Turbo-intercooled
Arrangement
6 cylinder In-line
4-stroke cycle
turbocharged
intercooled
water-cooled
Power - Stand by
272 kW @ 1500 rpm
298 kW @ 1800 rpm
Doosan P126TI-1 turbo intercooled Diesel Engine Specs
Doosan P126TI-1 Displacement, bore, stroke and compression ratio
Turbo-intercooled
Displacement
11.051 liter
Bore
123 mm
Stroke
155 mm
Compression ratio
17.1:1
Doosan P126TI-1 Dimensions and weight
Turbo-intercooled
Dimensions
approx
Length 1,383 mm
Width 870 mm
Height 1207 mm
Weight
approx
910 kg
Doosan P126TI-1 turbo-intercooled Arrangement and power
Arrangement
6 cylinder In-line
4-stroke cycle
turbocharged
intercooled
water-cooled
Power - Stand by
288 kW @ 1800 rpm