Application: Light Commercial Vehicles, Industrial Equipment, Automotive Swaps
The legendary Cummins 4BT 3.9L inline 4-cylinder diesel engine, remanufactured by US Engine Production (USEP). Known for its exceptional durability, simplicity (mechanical fuel system), and fuel efficiency. Based on the 6BT design (minus two cylinders), it shares many parts. Ideal for repowers, light commercial trucks (step vans), construction/agricultural equipment, and popular automotive swaps. Available in Turbocharged (4BT) or Turbocharged/Aftercooled (4BTA) configurations.
| Power | 64-155 hp (48-116 kW) |
|---|---|
| Displacement | 3.9 L (239 cu in) |
| Configuration | In-line 4-cylinder, 4-stroke diesel |
| Bore & Stroke | 102 mm x 120 mm (4.02 in x 4.72 in) |
| Aspiration | Turbocharged (4BT) or Turbocharged/Aftercooled (4BTA) |
| Fuel System | Mechanical Injection Pump (Bosch VE or P7100) |
| Valves | 8 (2 per cylinder) |
*Specifications may vary based on exact configuration and application. Contact us to confirm details for your needs.
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.
Standard warranty coverage applies. Please inquire for specifics.
Please contact us or refer to the official Warranty Page for full details and conditions.
| Prop 65 Warning |
| The State of California requires that this warning to be posted for California residents purchasing products. |
| WARNING: Products may contain one or more chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
631-991-7700