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Popular Diesel Engine Specs

Detroit Diesel 4-71 Essential Diesel Engine Bolt Tightening Torques

 
Detroit Diesel 4-71
Main Bearing Bolts 
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm

 
Detroit Diesel 4-71
Connecting Rod Bolts
67, lb.ft, 90 Nm

 
Detroit Diesel 4-71
Cylinder head Bolts
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm

 

Detroit Diesel 4-71 Diesel Engine Specs

 

Detroit Diesel 4-71
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

 

Detroit Diesel 4-71
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

 

Detroit Diesel 4-71
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 Diesel Engine Spec Sheets

 

Detroit Diesel 4-71 Diesel Engine workshop repair Manuals

 

Detroit Diesel 4-71 Diesel Engine Images

 



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email: steve@barringtondieselclub.co.za
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