Cummins X15 Diesel
525–565 HP Heavy-Duty Flagship
Power: 525 – 565 HP (options to 605 HP) | Torque: 1,650 – 2,050 lb-ft
Displacement: 15 L inline-6 | Emissions: EPA 2017 / Euro VI compliant
Released in 2017 as the next-generation successor to the ISX15, the Cummins X15 delivers unrivaled horsepower, massive torque, and best-in-class fuel economy for Class 8 tractors, heavy-haul, and vocational applications.
Key Technology Highlights
- Variable Geometry Turbocharger (VGT™) for rapid boost, stronger engine braking, and lower fuel burn.
- High-Pressure Fuel Injection & Optimized Combustion that squeeze every drop of energy from every gallon.
- Integrated AfterTreatment—DPF, SCR, and DEF dosing—for cleaner exhaust and longer service intervals.
- Advanced Electronic Controls that harmonize engine, transmission, and powertrain for seamless performance and easier diagnostics.
X15 Engines & Parts In Stock
At Boots & Hanks Truck Parts you’ll find:
- Dyno-tested Cummins X15 complete engines
- Reman long blocks, cylinder heads, and crank kits
- Turbos, injectors, ECMs, aftertreatment components, and full overhaul kits
Every unit is compression-tested, warrantied, and ready for same-day worldwide shipping. Upgrade your fleet to Cummins’ pinnacle of power and efficiency.
Call 800-738-7802 or browse live inventory at BootsAndHanksTruckParts.com today.
