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Detroit Diesel series 40 specs, bolt torques, spec sheets, manual



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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.


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Workshop manual, specs and bolt torques for Detroit Diesel series 40 engines


Useful information for owners and repairers of Detroit Diesel series 40 engines

Detroit Diesel Series 40 step by step essential bolt torques

Main Bearing capscrews
step 1 = 100 Nm, 74 lb.ft
step 2 = 217 Nm, 160 lb.ft

Connecting Rod Bolts
step 1 = 50 Nm, 37 lb.ft
step 2 = 100 Nm, 74 lb.ft
step 3 = 155 Nm, 115 lb.ft


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

Cylinder head Bolts - Sequence A

Image Detroit Diesel Series 40 Cylinder head Bolts - Sequence A

Cylinder head Bolts - Sequence B

Image Detroit Diesel Series 40 Cylinder head Bolts - Sequence A


Detroit Diesel Series 40 key engine specs

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
 
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


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

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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email: steve@barringtondieselclub.co.za
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