It's been a little while since you've heard from Hennessey's astounding Hellephant-swapped RAM TRX, and for good reason! The truck has been under the knife to become the first 1200 HP MAMMOTH 6x6s. This Hellephant-powered production run is limited to three examples and all are spoken for, but Hennessey is now proud to offer 6x6 conversions for the still-ridiculous MAMMOTH 1000. In this video, some of the team behind this outrageous build hit the road with their masterpiece for a bit of driveabil

Hennessey's journey with the world's first Hellephant-swapped RAM TRX continues! Bearing Mopar's supercharged 426 Hemi crate engine and running on 93 octane, this one-of-a-kind TRX lays down 865 rear wheel HP (281 RWHP over stock) and 912 rear wheel lb-ft of torque (351 RWTQ over stock) on Hennessey's Dynojet chassis dyno. Subscribe and stay tuned- the next step in Hennessey's research and development process is a test drive! NOTE: TRX trucks are too long to fit on our AWD dyno, hence the practi