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Detroit Diesel 8v-71 essential bolt tightening torques

Detroit Diesel 8v-71
Main Bearing Bolt torques 
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm

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Detroit Diesel 8v-71
Connecting Rod Bolt torques
67 lb.ft, 90 Nm

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Detroit Diesel 8v-71
Cylinder head Bolt torques
step 1 = 100 lb.ft, 135 Nm
step 2 = 184 lb.ft, 250 Nm

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Detroit Diesel 8v-71 manuals and spec sheets

Detroit Diesel 8v-71 key engine specs

 
Detroit Diesel 8v-71
Arrangement, Displacement, 
Bore, Stroke, 
Compression Ratio

8v-71N
8v engine, 
naturally aspirated

8v-71T
8v engine, 
turbocharged

Displacement
8v-71 - 9.3 liter, 568 CID

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

Compression ratio:
8v-71N 18.7:1
8v-71T 17.0:1

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Power 
 8v-71N
318 hp, 237 kW @ 2100 rpm

 8v-71T
385 hp, 270 kW @ 2100 rpm

Torque 
 8v-71N
863 lb.ft, 1170 Nm @ 1200 rpm

 8v-71TA
1112 lb.ft, 1508 Nm @ 1200 rpm


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Dimensions approx:
8v-71N 
length 1194 mm, 47 in
width 991 mm, 39 in 
height 1295 mm, 51 in

8v-71T 
length 1270 mm, 50 in
width 1016 mm, 40 in 
height 1346 mm, 53 in

Weight approx:
8v-71N 1048 kg, 2306 lb

8v-71TA 1132 kg, 2490 lb

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Detroit Diesel 8v71 Images

 



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