World class Medium- and Heavy-duty truck products and services in three convenient locations.

McDevitt Trucks is New England’s largest medium duty truck and heavy duty truck distributor providing sales, parts and service for Mack, Volvo, Western Star and Isuzu trucks.

McDevitt Trucks is a “factory authorized” dealer for all the most commonly used engines, transmissions and axles including; Mack, Volvo, Caterpillar, Detroit Diesel, Cummins, Mercedes and Allison. McDevitt’s “all makes” service includes fire trucks and motorhomes too!

Our Pro Parts Call Center stands ready to fill all your heavy duty truck parts needs from Monday – Friday 7 AM to 7 PM , Saturday 7 AM to 3:30 PM. We stock parts for all major powertrain components and proprietary parts for Mack, Volvo, Western Star, Isuzu and Ford Heavy Duty trucks.

We are an authorized service dealer for Prevost Coach and motorhome chassis as well!

McDevitt Trucks in Manchester, New Hampshire can also provide parts for Autocar and Ford Heavy Duty Trucks.

With a 4+ million dollar parts inventory and over 40 factory-trained technicians, McDevitt Trucks can reduce downtime and keep your truck running at peak performance.

If its a “big rig” we can fix it!