Detroit Diesel 12v-71 specifications and manuals


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Detroit Diesel 12v-71 bolt torques, specifications and manuals

Detroit Diesel 12v-71 Essential Diesel Engine Bolt Tightening Torques

Main Bearing Bolts 
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm

Connecting Rod Bolts
67, lb.ft, 90 Nm

Cylinder head Bolts
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm


Detroit Diesel 12v-71 Diesel Engine Specs

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

12v-71T
12v engine, 
turbocharged

Displacement, bore and stroke
12v-71 - 14.0 liter, 852 CID

Bore - 4.25 in, 180.0 mm	 
Stroke - 5.0 in, 127.0 mm

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

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
1290lb.ft, 1750 Nm @ 1400 rpm

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

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

Dimensions approx:
12v-71N 
length 1524 mm, 60 in
width 1168 mm, 46 in 
height 1448 mm, 57 in

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

Weight approx:
12v-71N 1456 kg, 3203 lb

12v-71T 1610 kg, 3542 lb

Detroit Diesel 12v-71 Diesel Engine Spec Sheets


Detroit Diesel 12v-71 Diesel Engine workshop repair Manuals


Detroit Diesel 12v-71 Diesel Engine Images



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