HOURS 8:00am - 5:00pm | Ohio - Eastern Time    Call: (740) 297-7223


About D&J Precision Machine

About D&J Precision Machine

If you’re looking for high quality and personal service, you’ve come to the right place. At D&J Precision Machine LLC, we’re about giving you the attention and personal service you’ll come to expect and enjoy.

We offer the best in services. At D&J Precision Machine, our goal is to make our customers satisfied with our expertise level of knowledge and service in the diesel performance industry. We build crate engines and cylinder heads, and those very same engines are in some of the fastest Cummins-powered diesel trucks in the nation. We will suit your needs from street to speed with attention to detail and precision to ensure your engine will perform to the best of its abilities.

Our rates are competitive, with no hidden fees. Our employees are friendly and will be there to help you every step of the way.

Let us put our experience to work for you.

706 Woodlawn Avenue Cambridge, OH 43725

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Machine List

  • Centroid A560XL 5 axis port/block machine
  • 2-Haas VF4SS 4 axis vertical machining center
  • Haas TM2P 3 axis vertical machining center
  • Haas TL2 CNC lathe
  • DMG Mori NHX 5000 Horizontal
  • CNC Masters 3 axis CNC Bridgeport
  • Ampro / Smoghog Porto Cleaner
  • Gordon manual knee mill
  • Ez-flow flow bench
  • RV516 JB Valve Grinding and Resurfacing Machine
  • Sunnen rod hone
  • Sunnen cylinder hone
  • Berco BC-A Line Boring Station
  • Miller syncopated 250 DX
  • Pro Ultrasonics Pro3624 Cleaning Tank
  • Dedicated clean room for Engine Assembly
  • 26,000 square foot facility for machine shop and service work