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Mitsubishi S12 engine specifications and manuals

 
Diesel engine manuals, specs, bolt torques
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Mitsubishi S12, Bolt Tightening Torques


Mitsubishi S12 engine Connecting Rod Nut torque

253 +/- 12 lb.ft, 343 +/- 17 Nm


Mitsubishi S12 engine, Main Bearing Bolt torque

434 +/- 21.7 lb.ft, 588 +/- 29.4 Nm (wet)


Mitsubishi S12 engine, Cylinder Head Bolt torque


S12A2-1

Short Bolt
Step 1 = 87 +/- 4 lb.ft, 118 +/- 5.9 Nm
Step 2 = 75 +/- 3 degrees
Long Bolt
Step 1 = 145 +/- 7 lb.ft, 196 +/- 9.8 Nm
Step 2 = 60 +/- 3 degrees

S12A2-2

Short Bolt
Step 1 = 87 +/- 4 lb.ft, 118 +/- 5.9 Nm
Step 2 = 110 +/- 3 degrees
Long Bolt
Step 1 = 145 +/- 7 lb.ft, 196 +/- 9.8 Nm
Step 2 = 110 +/- 3 degrees


Mitsubishi S12 cylinder head bolt tightening sequence
Mitsubishi S12 cylinder head bolt tightening sequence - click to view





Mitsubishi S12 engine Specifications

Mitsubishi S12 Displacement, Bore, Stroke, Compression Ratio 

Bore
6.69 inches 170 mm

Stroke
7.09 inches 180 mm

Displacement
2992 CID, 49.03 liter

Compression Ratio
14.5:1


Mitsubishi S12, Power, Weight 

Power
1501 hp, 1120 kW @1500 rpm (50hz)

1702 hp, 1270 kW @1800 rpm (60hz)

Dry weight
5320 kg , 11731 lb






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