Most Wanted Diesel is New Hampshire’s premier provider of diesel truck service and performance upgrades. We are proud to serve all makes and models. Come down with your truck to schedule repair, upgrade, or performance needs.

Commercial Flatbed Truck

About Us: 

About Us

Project Gallery: 


  • Diagnosis and general repair
  • Electrical issues on vehicles and trailers
  • Engine repair and rebuild
  • Lift kits and leveling kits
  • Welding and fabrication 
  • Transmission 
  • Tuning ( anything from mild to wild)
  • EGR delete and tune
  • Oil changes 
  • Performance upgrades
  • Brakes 
  • A/C repair 
  • Injectors
  • We make hydraulic hoses  
  • Body swap


Check us out on FaceBook here:

Contact Us:

Phone: (603) 579-7500