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Detroit Diesel Series 40 engine specifications and manuals - amp

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Essential bolt torques are:
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 connecting rod cap bolts
cylinder head bolt torques
 


 
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Detroit Diesel Series 40 engine specs, manuals and essential bolt torques - amp

 
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Detroit Diesel Series 40 Essential Diesel Engine Bolt Tightening Torques

 

Detroit Diesel 
Series 40
Main Bearing 
capscrews 

step 1 = 100 Nm, 
74 lb.ft

step 2 = 217 Nm, 
160 lb.ft


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Detroit Diesel Series 40 
engine manuals and specs 


Detroit Diesel 
Series 40
Connecting 
Rod Bolts 

step 1 = 50 Nm, 
37 lb.ft

step 2 = 100 Nm, 
74 lb.ft

step 3 = 155 Nm, 
115 lb.ft


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Detroit Diesel Series 40 
engine manuals and specs 


Detroit Diesel 
Series 40
Cylinder 
Head Bolts 

step 1 
Sequence A = 
150 Nm, 110 lb.ft

step 2 
Sequence A = 
210 Nm, 155 lb.ft

step 3 
Sequence B = 
225 Nm, 165 lb.ft


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Detroit Diesel Series 40 
engine manuals and specs 

Detroit Diesel Series 40 Cylinder Head Bolts  - Sequence A


Detroit Diesel Series 40 Cylinder Head Bolts  - Sequence B







Detroit Diesel Series 40 Diesel Engine Specs

 

Detroit Diesel 
Series 40
Displacement, 
bore and stroke 

Displacement

40E, 7.6L = 
7.6 liter, 466 CID

40E, 8.7L = 
8.7 liter, 530 CID

Bore

40E, 7.6L = 
109.2 mm, 4.301 in

40E, 8.7L = 
135.9 mm, 5.350 in

Stroke

40E, 7.6L = 
114.3 mm, 5.350 in

40E, 8.7L = 
135.9 mm, 5.350 in


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Detroit Diesel Series 40 
engine manuals and specs 


Detroit Diesel 
Series 40
Weight and 
compression ratio 

Weight
approx

40E, 7.6L = 
630 kg, 1367 lb

40E, 8.7L = 
645 kg, 1399 lb

Compression ratio

Standard Torque engines = 
16.4:1

High Torque engines = 
15.9:1


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Detroit Diesel Series 40 
engine manuals and specs 


Detroit Diesel 
Series 40
Power 

40E, 7.6L 
175 to 250 hp, 
131 to 187 kW
@ 2300 rpm

40E, 8.67 
275 to 330 hp, 
205 to 246 kW
@ 2000 rpm


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Detroit Diesel Series 40 
engine manuals and specs 


Detroit Diesel 
Series 40
Dimensions 
approx

40E, 7.6L 
length
1135 mm, 45 in

width
704 mm, 28 in

height
1006 mm, 40 in

40E, 8.67 
length
1135 mm, 45 in

width
704 mm, 28 in

height
1006 mm, 40 in


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Detroit Diesel Series 40 
engine manuals and specs 



 
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