Detroit Diesel 12v-71 specifications and manuals

Detroit Diesel 12V-71 Main Bearing Bolts
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm

Detroit Diesel 12V-71 Connecting Rod Bolts
67, lb.ft, 90 Nm

Detroit Diesel 12V-71 Cylinder Head Bolts
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm

Detroit Diesel 12v-71 Arrangement, displacement, bore, stroke and compression ratio

12v-71N Arrangement
12v engine,
naturally aspirated

12v-71T Arrangement
12v engine,
turbocharged

Displacement
12v-71 - 14.0 liter, 852 CID

Bore
4.25 in, 108 mm

Stroke
5.0 in, 127 mm

12v-71 Compression ratio
12v-71N 18.7:1
12v-71T 17.0:1

Detroit Diesel 12v-71 Power and torque

Power

12v-71N
476 hp, 355 kW @ 2100 rpm

12v-71T
553 hp, 412 kW @ 2100 rpm

12v-71TA
600 hp, 448 kW @ 2100 rpm

Torque

12v-71N
1200 lb.ft, 1627 Nm @ 1600 rpm

12v-71T
1530 lb.ft, 2074 Nm @ 1400 rpm

12v-71TA
1738 lb.ft, 2357 Nm @ 1200 rpm

Detroit Diesel 12v-71 Dimensions and weight

Dimensions
Approx

12v-71N
length 2362 mm, 93 in
width 1219 mm, 48 in
height 1626 mm, 64 in

12v-71T
length 1778 mm, 70 in
width 1168 mm, 46 in
height 1390 mm, 55 in

Weight
Approx

12v-71N
2132 kg, 4700 lb

12v-71T
1610 kg, 3542 lb