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Cummins 6BT 5.9L Marine Remanufactured Diesel Engine by USEP

Cummins 6BT / 6BTA 5.9L Marine Remanufactured Diesel Engine

Application: Marine (Recreational & Commercial Propulsion)

Cummins Remanufactured 6BT/6BTA 5.9L marine diesel engine, fully remanufactured by US Engine Production (USEP) to meet or exceed original specifications. Based on the legendary 12-valve mechanical B-series platform, known for reliability, durability, and parts availability. Ideal for repowering various recreational and commercial vessels. Available in Turbocharged (6BT - Rotary Pump) or Turbocharged/Aftercooled (6BTA - Inline Pump) configurations, with Heat Exchanger or Keel Cooling options.

Detailed Specifications

Power157-265 kW (220-370 hp)
Displacement5.9 L (359 cu in)
ConfigurationIn-line 6-cylinder, 4-stroke diesel
Bore & Stroke102 mm x 119 mm (4.02 in x 4.72 in)
AspirationTurbocharged (6BT) / Turbocharged & Aftercooled (6BTA)
Fuel SystemMechanical Rotary Pump (6BT) / Mechanical Inline Pump (6BTA)
CoolingHeat Exchanger or Keel Cooled
RotationCounterclockwise facing flywheel
EmissionsIMO I / RCD 1 (most ratings) (x)

*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.

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