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Cummins QSB 5.9L Marine Remanufactured Diesel Engine by USEP

Cummins QSB 5.9L Marine Remanufactured Diesel Engine

Application: Marine (Recreational & Commercial Propulsion)

Cummins Remanufactured QSB 5.9L marine diesel engine, fully remanufactured by US Engine Production (USEP). Features advanced 24-valve cylinder head and High-Pressure Common Rail (HPCR) fuel system for industry-leading power density, quiet operation (up to 80% noise reduction at idle), and virtually smoke-free performance. Ideal for demanding recreational and commercial marine applications requiring high power and reliability.

Detailed Specifications

Power169-353 kW (230-480 hp)
Displacement5.9 L (359 cu in)
ConfigurationIn-line 6-cylinder, 4-stroke diesel
Bore & Stroke102 mm x 120 mm (4.02 in x 4.72 in)
AspirationTurbocharged & Aftercooled
Fuel SystemHigh-Pressure Common Rail (HPCR)
Valves24
RotationCounterclockwise facing flywheel

*Specifications may vary based on exact configuration and application. Contact us to confirm details for your needs.

Warranty Information

All Cummins remanufactured engines sold by US Engine Production are backed by a comprehensive manufacturer warranty. Specific terms depend on the engine model and application.

For marine applications, this engine typically comes with a 1 year warranty.

Standard warranty coverage applies. Please inquire for specifics.

Please contact us or refer to the official Warranty Page for full details and conditions.

Request a Quote for Cummins QSB 5.9L Marine Remanufactured Diesel Engine
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