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Detroit Diesel 3-53 Essential Diesel Engine Bolt Tightening Torques

 

Detroit Diesel 3-53 Main Bearing Bolts (9/16 NC)
step 1 = 60 lb.ft, 80 Nm
step 2 = 130 lb.ft, 177 Nm

Detroit Diesel 3-53 Connecting Rod Bolts
earlier type had 5/16 in bolts
24 to 28, lb.ft, 33 to 38 Nm

later type has 3/8 in bolts
40 to 45, lb.ft, 54 to 61 Nm

Detroit Diesel 3-53 Cylinder Head Bolts (5/8 NC)
step 1 = 60 lb.ft, 80 Nm
step 2 = 110 lb.ft, 150 Nm
step 3 = 180 lb.ft, 240 Nm



Detroit Diesel 3-53 Diesel Engine Specs

 

Detroit Diesel 3-53 Arrangement, displacement, bore, stroke and compression ratio

Arrangement
3-53
3 Cyl In-Line, natural aspiration

3-53T
3 Cyl In-Line, turbocharged

Displacement
3-53N and 3-53T
2.6 liter, 159 CID

Bore
3.875 in, 98.425 mm

Stroke
4.50 in, 114.30 mm

Compression ratio

3-53
21:1

3-53T
17.5:1

Detroit Diesel 3-53 Power and torque

Power
3-53
101 hp, 75 kW @ 2800 rpm

3-53T
131 hp, 98 kW @ 2500 rpm

Torque

3-53
205 lb.ft, 278 Nm @ 1560 rpm

3-53T
312 lb.ft, 423 Nm @ 1600 rpm

Detroit Diesel 3-53 Dimensions and weight

Dimensions approx
3-53N
length 838 mm, 33 in
width 686 mm, 27 in
height 889 mm, 35 in

3-53T
length 838 mm, 33 in
width 737 mm, 29 in
height 1016 mm, 40 in

Weight approx

3-53N
438 kg, 964 lb

3-53T
454 kg, 999 lb


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