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Cummins ISX12 Remanufactured Diesel Engine

Application: Medium to heavy-duty trucking

Cummins ISX12 Remanufactured Diesel Engine Long Block remanufactured by US Engine Production (USEP). Renowned for its simplicity, unmatched reliability, torque, and longevity. Features a robust mechanical fuel injection system (Bosch VE or P7100 pump). Ideal for repowers, medium-duty trucks, industrial/construction equipment, and performance automotive swaps. Fixes for common issues like the Killer Dowel Pin (KDP) are typically addressed during

Detailed Specifications

Power310-500 hp (231-373 kW)
Displacement11.9 L (726 cu in)
Compression Ratio 17.3:1
Fuel System Cummins XPI (Extreme Pressure Injection) common rail
Turbocharging Single Cummins VGT™ Turbocharger
Governed Speed 2100 RPM
Engine Weight (Dry) 2,650 lbs (1,202 kg)
Oil System Capacity 40 quarts (37.9 liters)
Regional Haul Trucks Medium to heavy-duty trucking
Vocational Vehicles Dump trucks, delivery vehicles, utility trucks
Industrial Machinery Construction equipment, agricultural machinery
Specialty Vehicles Emergency vehicles, municipal equipment
Variable Geometry Turbocharger Optimal boost across operating range
XPI Fuel System Precise fuel control for improved efficiency
Advanced Electronics Real-time performance monitoring and diagnostics
Robust Components High-strength block and forged steel pistons

*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 truck applications, this engine typically comes with a 1 year / unlimited miles warranty.

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
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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.