Diesel Engines at Unmatched Prices

Looking for the best deals on diesel truck engines and components? This dedicated engine branch of Boots & Hanks Truck Parts was created to showcase our lowest-priced engine inventory — deals too good to list on the main site.

Call Now for Best Price
Cummins
Cummins
 Detroit
Detroit
 Paacar
Paacar

Featured Diesel Engines

Browse a selection of our top-quality, inspected, and warranty-backed diesel engines. Call now for the best price and get your engine shipped fast!

Tested & Certified ECMs

Don’t let a faulty module ground your fleet. Our Engine Control Modules are bench-tested for performance and reliability, ensuring your truck’s electronics are as dependable as the iron they control.

Heavy-Duty Transmissions

From Eaton-Fuller manuals to Allison automatics, we provide dyno-tested transmissions built to handle the toughest loads. Rebuilt or used, our gearboxes are engineered for smooth shifting and long-haul durability.

Front & Rear Differentials

Keep your power on the pavement. We carry a wide range of Rockwell, Meritor, and Dana differentials in various ratios. Whether you need a single carrier or a complete axle assembly, we have the stock to keep you moving.

Why Choose Us

Every power unit we sell is fully inspected, dyno-tested, and backed by our industry-leading warranty so you can buy with confidence.

✓ Every power unit is fully inspected and dyno-tested
✓ Backed by our industry-leading warranty
✓ Same-day shipping available on most orders (freight rates vary)
✓ Exclusive pricing you won’t find on our main website

Engines We Stock: • Caterpillar • Detroit Diesel • Volvo • Mack • International • Mercedes • Isuzu • Mitsubishi • Ford

More Than Just Truck Engines: Industrial, equipment, and marine engines, Compression-tested blocks, heads, crankshafts, ECMs, turbos, and injectors for core builders

Trusted by fleets nationwide since 1966.

  • Mark T., Pennsylvania

    Boots & Hanks Diesel Engine Supply made buying a diesel engine simple and worry-free. Fast shipping and excellent support!

  • Susan R., Ohio

    High-quality rebuilt engines at unbeatable prices. I’ll never go anywhere else for my fleet needs.

  • James L., New York

    The team was professional and knowledgeable. My Detroit engine arrived perfectly inspected and ready to run

Looking for the best diesel engine deal? CALL NOW for today’s price.

Our experts are ready to help you find the right engine at the best value — fast, reliable, and hassle-free.

Call Now (800) 738-7802