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    2007 GMC 7500

    Will get pictures of interior.It is part time.one switch for in and out another for high low.not shift on fly.gears are 5 57. rpm 2300,75 mph.Marmon & Harrington does a lot of military tcases axles etc. mpg don't know..would guess around 8mpg.but that's just a guess.
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    2007 GMC 7500

    2007 GMC 4 wheel drive. Marmon and Harrington 4x4 factory conversion. CAT engine, Allison transmission, hydraulic brakes. Non CDL weight. Air, cruise, single wheel conversion, webasto coolant heater. 71,xxx miles. Located in Basin, WY. $24000 SOLD
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