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Detroit Diesel 8v71 Essential Diesel Engine Bolt Tightening Torques
Detroit Diesel 8v71
Main Bearing Bolt
Step 1 = 100 lb.ft, 135 Nm
Step 2 = 184 lb.ft, 250 Nm
Detroit Diesel 8v71
Connecting Rod Bolt
67 lb.ft, 90 Nm
Detroit Diesel 8v71
Cylinder Head Bolt
Step 1 = 100 lb.ft, 135 Nm
Step 2 = 184 lb.ft, 250 Nm
Detroit Diesel 8v71 Diesel Engine Specs
Detroit Diesel 8v71
Arrangement, Displacement, Bore,
Stroke and Compression Ratio
Arrangement
8v71N
8v engine, naturally aspirated, two stroke cycle
8v71T
8v engine, turbocharged, two stroke cycle
Displacement
8v71 - 9.3 liter, 568 CID
Bore
4.25 in, 108 mm
Stroke
5.0 in, 127 mm
Compression Ratio
8v71N 18.7:1
8v71T 17.0:1
Detroit Diesel 8v71
Power and Torque
Power
8v71N
318 hp, 237 kW @ 2100 rpm
8v71T
385 hp, 270 kW @ 2100 rpm
Torque
8v71N
863 lb.ft, 1170 Nm @ 1200 rpm
8v71TA
1112 lb.ft, 1508 Nm @ 1200 rpm
Detroit Diesel 8v71
Dimensions and Weight
Dimensions approx
8v71N
Length 1194 mm, 47 in
Width 991 mm, 39 in
Height 1295 mm, 51 in
8v71T
Length 1270 mm, 50 in
Width 1016 mm, 40 in
Height 1346 mm, 53 in
Weight approx
8v71N 1048 kg, 2306 lb
8v71TA 1132 kg, 2490 lb