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Detroit Diesel 12v-71 specifications and manuals



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Your Detroit Diesel Specs

Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque. 
Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.



Some Popular Engine Specs


Workshop manual, specs and bolt torques for Detroit Diesel 12v-71 engines

Detroit Diesel 12v-71 key 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 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 manuals and spec sheets



Detroit Diesel 12v71 Images


Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
© copyright Steve Barrington 2016

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