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Detroit Diesel 4-71 specifications and manuals


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Your Diesel Engine 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 4-71 engines

Detroit Diesel 4-71 key specs

Arrangement
4-71N
4 Cyl In-Line,  Naturally Aspirated

4-71T
4 Cyl In-Line, turbocharged

Displacement
4-71 - 4.7 liter, 284 CID
Bore - 4.25 in, 180.0 mm	 
Stroke - 5.0 in, 127.0 mm

Compression ratio:
4-71N 18.7:1
4-71T 17.0:1

Power 
 4-71N
160 hp, 119 kW @ 2100 rpm

 4-71T
211 hp, 157 kW @ 2300 rpm

Torque 
 4-71N
407 lb.ft, 552 Nm @ 1600 rpm

 4-71T
533 lb.ft, 723 Nm @ 1400 rpm

Dimensions approx:
4-71N 
length 1067 mm, 42 in
width 737 mm, 29 in 
height 1067 mm, 42 in

4-71T 
length 1128 mm, 44 in
width 790 mm, 31 in 
height 1120 mm, 44 in

Weight approx:
4-71N 807 kg, 1780 lb
4-71N 830 kg, 1830 lb

Detroit Diesel 4-71 essential 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 4-71 manuals and spec sheets



Detroit Diesel 4-71 Images


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email: steve@barringtondieselclub.co.za
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