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Stories about: John Hennessey Mammoth 1000 Ram TRX

John Hennessey Takes the Mammoth 1000 Ram TRX for a Roaring Joyride
John Hennessey Takes the Mammoth 1000 Ram TRX for a Roaring Joyride

17 May 2021, 09:07 UTC · By: Aurel Niculescu / It's the company's most powerful truck in its 30-year history, and John Hennessey casually takes it both to lunch and then to the Hennessey proving grounds