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Detroit Diesel Series 40 engines 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

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

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



Detroit Diesel Series 40 engines 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

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


Detroit Diesel Series 40 Power
40E, 7.6L
175 to 250 hp, 131 to 187 kW
@ 2300 rpm

40E, 8.7L
275 to 330 hp, 205 to 246 kW
@ 2000 rpm

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, 8.7L
length = 1135 mm, 45 in
width = 704 mm, 28 in
height = 1006 mm, 40 in


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