1973 International Loadstar with a Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

Summit Truck Bodies in Wathena, Kansas manufactures and sells custom service bodies for construction, mining, and excavation industries. To show off their unique ability in the industry to customize truck bodies they decided to build something really unique. They started with a 1973 International Loadstar 1700 body that was dropped over a Ram 5500 chassis. They installed one of their 7-series service units and crane system on the back. Power comes from a supercharged 6.2 L HEMI V8 from a Dodge Challenger Hellcat that produces 707 horsepower and 700 lb-ft of torque. Behind that sits a NV5600 six-speed transmission and 4.88 gear rear end. Summit is considering taking it on the Power Tour this year.

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

1973 International Loadstar with a supercharged 6.2 L Hellcat V8

Source: Summit Bodies FB page (more photos) via Bangshift

4 Comments

  1. Mike Jones

    definitely real unique to not swap a newer diesel in there. I wonder if that 4.88 rear gear is enough to not overload that engine…700ft-lbs is plenty, but it was never designed to use that to push 10k+lbs lol

    • It won’t be great on the highways but I am sure the powertrain is strong enough to handle cruising around. They did swap the transmission from a Tremec to a New Venture six-speed.

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