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Cummins X15 - 15.0L Diesel Engines

Original price was: $25,188.00.Current price is: $24,800.00.

Find powerful Cummins X15 15.0L Diesel Engines (2017-2020, 400-605 HP) in Inline-6 Long Block, Long Block Premium, or Special builds. Ideal for long-haul, vocational trucks, buses, and heavy equipment, all USA assembled with competitive pricing.

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Description

Unleash the ultimate in power and efficiency for your heavy-duty fleet with our high-quality Cummins X15 15.0L Diesel Engines. We offer these advanced inline-6 engines in various configurations to meet your specific needs, including Long Block, Long Block Premium, and Special builds. Price is subject to specific engine specifications and intended use. We’ll also beat or match competitor pricing to ensure you get the best value!

The Cummins X15 is the pinnacle of heavy-duty diesel engineering, specifically designed for Year Models 2017-2020 and delivering impressive power ranging from 400 to 605 Horsepower. To ensure our engines will stand the test of time, we meticulously use OEM or equivalent pistons, rings, bearings, valves, and gaskets, guaranteeing exceptional durability and consistent performance.

Applications of the Cummins X15:

The versatility and robust power of the Cummins X15 make it an ideal choice for a wide array of demanding applications:

  • Long-haul freight trucks
  • Regional haul tractors
  • Tanker and bulk carriers
  • Heavy-duty vocational trucks (e.g., dump trucks, mixers, refuse)
  • Fire trucks and emergency response vehicles
  • Oversized load escorts
  • Airport rescue and firefighting (ARFF) units
  • Motorcoaches and tour buses
  • Long-distance transit vehicles
  • High-performance intercity buses
  • Heavy construction equipment haulers
  • Logging and forestry trucks
  • Oil field service vehicles
  • Municipal fleet trucks
  • Specialized heavy industrial and power equipment (with ISX or X-series industrial variants)

All our engines are proudly assembled in the USA, reflecting our unwavering commitment to superior craftsmanship and exceptional quality.

 


Get A Quote On This Engine
Questions?

Our experts are ready to help call us at  (888) 655-4615

 

Additional information

Long Block

Block, Cam Gears, Camshaft, Crankcase Breather Element, Crankshaft & Gear, Flywheel Housing, Front and Rear Seal Installed, Front Cover, Front Gear Housing, Fuel Filter, Gasket Set, Head, Jake Brake-If Applicable, Oil Cooler, Oil Filter, Oil Pan, Oil Pump, Piston Assemblies, Rods, Valve Cover, Valve Train (Rocker Arms), Water Filter, Water Pump

Long Block Premium

*All Parts On The Long Block Plus, Injectors

Nationwide Warranty

Long Block configurations: 1 year/unlimited mileage.
Motorhome/RV Applications: 1 year parts only
(No labor or diagnostic reimbursement)
Some restrictions apply; see limited warranty details @reviva.com.

  • All engines are assembled in the USA.
  • Replaces 100% of rings, bearings, bushings, gaskets, and seals.
  • Matched OEM requirements for piston type depending upon HP and application.
  • All heads get new valves and are vacuum tested to ensure the quality of the valve job. All heads are pressure tested and upgraded to the latest style valve seal.
  • Cylinder head seats replaced 100% new.
  • Camshaft is checked for size, reground, if necessary, and micropolished to OEM specifications.
  • All connecting rods are demagnetized.
  • Core plugs are 100% stainless steel to avoid corrosion.
  • Blocks, heads and crankshafts are 100% magnaflux tested to avoid cracked components.
  • Connecting rods have new bushings installed and both large and small end are remachined to OEM specifications.

Crankshaft is checked for size, reground, if necessary, and micropolished to OEM specifications.

ENGINE TESTING

Every engine is machined using state-of-the-art equipment and assembled using precise and repeatable methods. All engine production follows documented lean manufacturing processes and principles to create consistent quality and dependable outcomes.

All Short Block, Long Block, and Long Block Premium are 100% Sim tested before shipment.

Complete Drop-In engines are 100% dyno tested before shipment. Computer controls ensure that each engine dyno test is conducted under standard, repeatable settings. Every engine is run through a warm-up cycle; three separate cruise segments simulating light, medium, and heavy throttle conditions; maximum torque and horsepower tests; both high and low idle tests; and a black light leak detection test with dyed oil, coolant, and fuel.

we’ve been delivering remanufactured engines for skid steer loaders for over 30 years—longer than any competitor in the industry. Our veteran machinists, many with decades of experience, follow engine-specific rebuild procedures to ensure consistent quality with every unit.

Each engine is carefully rebuilt to meet or exceed OEM specifications, using top-tier components and proven techniques. This is more than just a repair—it’s a full remanufacturing process designed to restore the engine to like-new condition.

Before shipping, every complete skid steer engine is dyno-tested for performance and reliability, so you can install with confidence.

HPowertrain logo featuring pistons, gears, and stars in blue and orange.

HYML Powertrain is a trusted leader in the distribution and remanufacturing of high-quality engines, transmissions, and transfer cases. With a commitment to excellence, we offer factory-direct products that are renowned for their exceptional craftsmanship, reliability, and customer service.

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