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Popular Diesel Engine Specs

Cummins V903 Essential Diesel Engine Bolt Tightening Torques



Main Bearing Bolts
Step 1 = 50 lb.ft, 68 Nm
Step 2 = 100 lb.ft, 136 Nm
Multiple Steps until 350 lb.ft, 475 Nm
Step x = Loosen
Multiple Steps x+1 = 90 lb.ft, 122 Nm
Multiple Steps x+2 = 180 lb.ft, 244 Nm
fially in 2 steps 
advance total of 60°

Connecting Rod Bolts
Step 1 = 50 lb.ft, 68 Nm
Step 2 = 100 lb.ft, 136 Nm
Step 3 = Loosen
Step 4 = 50 lb.ft, 68 Nm
Step 5 = 100 lb.ft, 136 Nm

Cylinder head Bolts
280-300 lb.ft, 380-407 Nm
in 50 lb.ft, 68 Nm increments

Cummins V903 Diesel Engine Specs

Cummins V903
Displacement 
14.8 liter, 903 CID

Bore
5.50",  139.7 mm 

Stroke
4.75",  120.65 mm
 
 
Arrangement
v8 turbo

Power 
V903 
190-229 kW, 255-307 hp @ 2600 rpm
VT903
190-238 kW, 255-320 hp @ 2600 rpm
V903M Pleasure Craft
286 shaft hp @ 2600 rpm



Dimensions:
approx:
refer to spec sheet

Weight:
approx:
V903M 
2800 lb, 1270 kg

Compression ratio:
commonly at 15.5:1

Cummins V903 Diesel Engine Spec Sheets




Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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