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Detroit Diesel 1-71 Essential Diesel Engine Bolt Tightening Torques
Detroit Diesel 1-71
Main Bearing Bolts
Step 1 = 100 lb.ft, 135 Nm
Step 2 = 184 lb.ft, 250 Nm
Detroit Diesel 1-71
Connecting Rod Bolts
67, lb.ft, 90 Nm
Detroit Diesel 1-71
Cylinder Head Bolts
Step 1 = 100 lb.ft, 135 Nm
Step 2 = 184 lb.ft, 250 Nm
Detroit Diesel 1-71 Diesel Engine Specs
Detroit Diesel 1-71
Arrangement, Displacement,
Bore, Stroke and
Compression Ratio
Arrangement
3 Cyl In-Line, natural aspiration
Displacement
1.2 liter, 71 CID
Bore
4.25 in, 108 mm
Stroke
5.0 in, 127 mm
Compression ratio
17:1
Detroit Diesel 1-71
Power and Torque
Power
34 hp, 25 kW @ 1800 rpm
Torque
92 lb.ft, 125 Nm @ 1400 rpm
Detroit Diesel 1-71
Dimensions and Weight
Dimensions
approx
1-71N
length
712 mm, 28 in
width
686 mm, 27 in
height
1041 mm, 41 in
Weight
approx
1-71N
257 kg, 565 lb