Mack Diesel Engine Replacements & Rebuilds
Built for strength, reliability, and endurance — Mack trucks are made to move heavy loads through tough jobs. When your Mack engine needs replacement or rebuilding, we provide expertly remanufactured diesel engines that meet or exceed OEM performance standards.
Whether you’re operating a dump truck, mixer, refuse hauler, or highway tractor, we’ve got the powerplant to keep you running.
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Supported Mack Models
We offer diesel engine solutions for a wide range of Mack vocational and highway models:
Construction & Vocational Trucks
- CL Series
- DM Series
- RD Series
- R Series
- WS (Western Series)
Refuse & Urban
- MR Series
- MC Series
Medium-Duty
- MD6
- MD7
Why Choose Gearhead Engines?
- Engines Built to OEM Specs
- Industry-Leading Warranty
- Nationwide Shipping
Let us help you get your diesel vehicle back on the road. Call 1-800-508-5999 or request a quote today.
Need another engine or not sure what you exactly need? Our team of experts is ready to help. Just provide your vehicle’s VIN, year, make, and model and ENGINE SERIAL NUMBER and we’ll make sure you get the right fit the first time. Fill out the quote form or contact us at info@gearheadengines.com or call 800-508-5999.