Skip to main content 

Cummins V903 engine specs, bolt torques, manuals - amp

Barrington Diesel Club for diesel engine manuals and specs
Click to
Become a Member
and have access to all the manuals and specs at Barrington Diesel Club
image Cummins V903 - click for specs and manuals

Cummins V903 bolt torques, specifications and manuals

Diesel engine specs, bolt torques and manuals

Cummins V903 Essential Diesel Engine Bolt Tightening Torques

Cummins V903 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
finally in 2 steps
advance total of 60 degrees

Cummins V903 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

Cummins V903 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, bore and stroke 

14.8 liter, 903 CID

5.50", 139.7 mm

4.75", 120.65 mm

Cummins V903 Arrangement 

V8 Naturally Aspirated
V8 turbo

Cummins V903 Power 

V8 903 Natural Aspiration
190-229 kW, 255-307 hp
@ 2600 rpm

190-238 kW, 255-320 hp
@ 2600 rpm

V903M Pleasure Craft
286 shaft hp
@ 2600 rpm

Cummins V903 Dimensions 

refer to spec sheet

Cummins V903 Weight 

2800 lb, 1270 kg

Cummins V903 Compression ratio 

commonly at 15.5:1

Inter Club Navigation
Click for:
Info on
basic engine specs

Basic specs are free
 and open to everyone

They usually include
engine images, displacement, 
dimensions and weight, 
essential bolt tightening torques, 

characteristics of the engine 
e.g. its power and torque. 

Essential bolt tightening torques are
 main bearing cap bolt torque, 
 connecting rod cap bolt torque 
 and the cylinder head bolt torques.

   Home Page   Membership   Contact Us      Club Matters   Engine List   Technical  Videos 
Click for:
Info on
manuals and books

You need club membership
for your engine manuals or parts books. 

Subscribe for Membership 
if you need manuals continually


Take a one week membership window
 if you only need manuals 
 for a specific engine.


 Membership - Sign Up  More about Membership  Login 
Home Page 
  Home - Desktop    Home - Mobile 
Engine List 
  Engine List - Desktop    Engine List - Mobile 
Club Matters
More About Us  Terms and Conditions  Acknowledgements  Site Map  Privacy Policy 

Click for: Cummins engine specs   Click for: CAT Diesel engine Specs   Click for: Detroit Diesel specs   Click for: ADE diesel engine specs   Click for: Deutz diesel engine specs

Click for More Cummins engine manuals, bolt torques, specs

More Diesel Engine Specs, Bolt torques and manuals

Click for Index to More Diesel Engine Manuals, bolt torques, specs

Page Revision #11.1RS AMP 05-20