Interstate PowerSystems has over 50 years of experience in the design, building, sales and support of marine propulsion and auxiliary support systems. Considered by many businesses to be an indispensable insurance policy, Interstate PowerSystems provides solutions for main engines, generators, marine gearboxes, propulsion systems, electronic control systems and monitoring systems for all types of applications.

Interstate PowerSystems is your single-source supplier for all your marine needs. We are the exclusive distributor for MTU and Volvo Penta in our area, with propulsion and auxiliary power ratings from 13HP to 5766HP and generator ratings from 5kW to 2500kW for the pleasure craft and commercial markets. Our highly skilled team has expertise in traditional inboard, pod drive, water jet, diesel-electric, generator and onboard auxiliary power applications to support your requirements.

  • High power density
  • Low cost of ownership
  • Best in class availability
  • Proven dependability
  • Emergency repairs
  • Advanced electronics
  • Single source supply of all marine power needs

In addition to selling and servicing MTU, Volvo Penta, Kohler Marine and John Deere marine engines, our field service teams are trained to complete non-warranty repairs and maintenance on most brands of engines on yachts, trawlers, power boats, sail boats, tug and tow boats, freighters, ATB’s, passenger vessels and governmental boats throughout our service area. For more information about our marine sales, parts and service capabilities, please contact the Interstate PowerSystems branch near you: