Rockford, Illinois

3736 11th Street, Rockford, Illinois 61109
Conveniently located at the interchange of Highways 20 and 251, just northeast of Chicago Rockford International Airport, the Interstate PowerSystems at 3736 11th St., in Rockford, Illinois, has a reputation for providing quality products and exceptional service to the trucking industry.

We are a licensed distributor of Detroit Diesel, Allison Transmission and other engine and transmission products. Not only do we provide these excellent product lines, but our highly skilled technicians deliver excellent service – warranty and non-warranty work – on all types of trucks and trailers.

We belong to the WheelTime service network, which means you receive the highest level of service on your vehicle, with quality communication to match. We bring a sense of urgency to your visit, because we know how downtime can affect your bottom line. We get you in the shop quickly, provide a diagnosis within two hours, and deliver an estimate on cost and completion time that is realistic. Our goal is to get you back on the road as soon as possible. We’re here for you day and night, with emergency service available 24/7.

Our Interstate PowerSystems location in Rockford provides generator sales and services for industries and other facilities in the region. We distribute MTU Onsite Energy generators as well as other brands and types of backup generators, and can provide excellent maintenance and service.

We have a wide range of products and services to offer. Review our product selection at the links below. For additional information, or for after-hours service, please call 815-229-1028.



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


Monday - Friday: 7 AM - 11:30 PM
Service Advisor: 7 AM - 5 PM
Emergency service available 24/7
  • Detroit Diesel
  • MTU
  • Allison
  • MTU-OE
  • Wheel Time