Used Engines

Used Cummins Engines

Pre-owned Cummins engines are available at Torquepower . Please contact us with your specific requirements. If you have a Cummins engine that you no longer require, please give us a call and we will help you to determine a fair market value. We are also keen to use our wide industry connections to help you source obsolete equipment and parts when required. Torquepower is your “hard-to-get” parts specialist for Cummins Heavy Duty Automotive, Marine, Agriculture, Mining, Power Generation, and Buses and Coaches equipment, and associated parts.

Rebuilding Great Engines Is what sets us apart

FOR SALE !! – Cummins 8.3 -M3- (450 Diamond) Marine Engine

The Cummins 8.3 -M3- (450 Diamond) Marine Engine is the ideal Cummins diesel marine engine in both recreational and commercial markets. It is a proven mid-range diesel platform. First in service March 1999 – CPL2172, this much sought-after Cummins C450 Engine is in VERY GOOD CONDITION, and has just had a FULL REBUILD – COST $25,750 plus GST.

The C450 in-frame rebuild included new pistons, liners, rings, main and con rod bearings. Works carried out included; Aftercooler serviced, Turbo serviced, Fuel pump tested, New oil pressure sender; New front and rear crankshaft seals, full set of new Bosch fuel injectors; Anodes replaced; Coolant replaced; and full set of new Filters.


  • In-line 6-cylinder, 4-stroke diesel
  • Bore & Stroke; 114 mm x 135 mm (4.49 in x 5.31 in)
  • Displacement; 8.3 L (505 in3)
  • Aspiration; Turbocharged/Aftercooled
  • Rotation ; Counter- clockwise facing flywheel