An established machine shop in Billings, Montana

A fully custom diesel engine is exactly what you need to give your truck a boost. G&J Diesel will build your engine to your specifications. We're a full-service machine shop based in Billings, Montana.

Turn to us, and you can...

  • Save time and money by leaving the fabrication work to the pros
  • Discuss outside-of-the-box solutions for boosting power and performance
  • Leave your competition in the dust when you put our work to the test

See for yourself why serious truck enthusiasts make us their preferred machine shop. Call 406-248-6366 today.

E-mail Us machineshop@gjdiesel.com

Why choose G&J Diesel?

G&J Diesel is the full-service machine shop you've been looking for in Billings, MT. Want proof? We're unmatched in our...

  • Experience-G&J Diesel has been in business since 1993. Most of our crew members have been building custom diesel engines for years.
  • Shop capabilities-we've got the equipment needed to machine all engine parts, from cylinder heads to crankshafts.
  • Reputation-feel free to ask about the custom engines we've worked on recently.

Visit our machine shop today.