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Detroit Diesel 4-53 Essential Diesel Engine Bolt Tightening Torques

 

Detroit Diesel 4-53 Main Bearing Bolts (9/16 NC)
step 1 = 60 lb.ft, 80 Nm
step 2 = 130 lb.ft, 177 Nm

Detroit Diesel 4-53 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 4-53 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 4-53 Diesel Engine Specs

 

Detroit Diesel 4-53 Arrangement, displacement, bore, stroke and compression ratio

Arrangement
4-53
4 Cyl In-Line, natural aspiration

4-53T
4 Cyl In-Line, turbocharged

Displacement
4-53N and 4-53T - 3.5 liter, 212 CID

Bore
3.875 in, 98.425 mm

Stroke
4.50 in, 114.30 mm

Compression ratio
4-53 21:1
4-53T 18.7:1

Detroit Diesel 4-53 Power and torque

Power
4-53N
140 hp, 104 kW @ 2800 rpm

4-53T
175 hp, 131 kW @ 2500 rpm

Torque
4-53
282 lb.ft, 382 Nm @ 1560 rpm

4-53T
420 lb.ft, 569 Nm @ 1800 rpm

Detroit Diesel 4-53 Dimensions and weight

Dimensions approx
4-53N
length 991 mm, 39 in
width 686 mm, 27 in
height 940 mm, 37 in

4-53T
length 991 mm, 39 in
width 762 mm, 30 in
height 991 mm, 39 in

Weight approx
4-53N 503 kg, 1110 lb

4-53T 572 kg, 1260 lb


Detroit Diesel 4-53 Diesel Engine Images

 

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