Cummins ISX15 Engine – Heavy-Duty Class 8 Applications.
The Cummins ISX15 is a widely used heavy-duty diesel engine for Class 8 trucks. It offers horsepower ratings from 400-600 hp (298-447 kW) and peak torque up to 2050 lb-ft (2779 N·m).
Compatibility:
- Heavy-duty Class 8 trucks including Peterbilt, Kenworth, Freightliner, and other major brands
- Long-haul, regional, and vocational applications
Important Notes:
- Contact Kustom Truck to confirm compatibility with your specific truck model and configuration.
Key Specifications:
- Horsepower range: 400-600 hp
- Peak torque: up to 2050 lb-ft
- VGT turbocharger, XPI fuel system, and integrated aftertreatment (DPF + SCR)
- Single high-capacity ECM for engine and aftertreatment management
- Certified to 2014 EPA and DOT emissions standards with On-Board Diagnostics
