Gary, Indiana

2601 E 15th Ave, Gary, Indiana 46402

Located just off I-65 at Exit 261, the Interstate PowerSystems in Gary, Indiana, at 2601 E. 15th Ave., has a reputation for meeting the high expectations of its customers for on-highway and off-highway engine and transmission service and repairs.

We offer products from top manufacturers such as Detroit Diesel and MTU engines, and Allison Transmission. Our highly trained technicians have experience working on all makes of trucks, trailers and equipment. If you need warranty work, we’ll get it done.

We are a proud member of the WheelTime network. We are committed to providing the highest level of service on your vehicle. We will get your truck in the shop quickly, diagnose the problem within two hours, and give you a realistic estimate of the cost and time needed for repairs. We will communicate frequently during the process so you’ll know exactly when you’ll be back on the road.

If you have a need for power generation, Interstate PowerSystems, the area distributor for MTU Onsite Energy, has experience servicing generators for a wide variety of customers – businesses, schools and other organizations in and around the Gary area. Our team will provide support on an ongoing basis.

Please check out the links below to learn more about the wide range of products and services we offer. For additional information or for 24/7 emergency service, call 219-883-0421.



  • Off Highway Equipment Service
  • All make truck and engine repairs


Monday - Friday: 7 AM - Midnight
Emergency service available 24/7
  • Allison
  • Detroit Diesel
  • MTU
  • MTU-OE
  • Wheel Time