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Hennessey is going to be making a six-wheel TRX called the Mammoth, just like they did when they created the six-wheel Velociraptor. It's going to be fun to see these two trucks next to each other.

Hennessey shared this photo on their website. The Mammoth is going to have over 1200 hp thanks to a tuned 7.0L Hellephant engine and will cost around $500,000 (base TRX included). Oh and they're only make THREE.

Sealy, Texas (September 1, 2020) — The team at Hennessey Performance Engineering (HPE) is planning to build the biggest and most powerful truck in the company’s 29-year history. HPE will soon be building a 6X6 conversion of the 2021 Ram TRX truck. However, the 702 bhp factory Hellcat supercharged V8 will be replaced by a specially tuned 7.0L Hellephant engine that will deliver over 1200 bhp.

Since 2017, the Hennessey team has built and delivered a total of 15 VelociRaptor 6X6 and GOLIATH 6X6 trucks to clients from around the world, making them some of the most exclusive vehicles ever produced by Hennessey Performance. Hennessey will only be building a total of three Mammoth 6X6 Hellephant-powered Ram TRX trucks which will make it the most powerful and most exclusive truck ever offered by the company. It will also be the most expensive with a cost of $500,000 which includes the base Ram TRX.

“We are very excited about the Ram TRX,” said company founder and CEO, John Hennessey. “MAMMOTH 6X6 powered by a 1200 HP Hellephant motor is just a completely ridiculous idea, which is exactly why we are doing this. We are only going to build three examples which will likely make this the most exclusive and most expensive truck we’ve ever built.”

In addition to its all new 6-wheel drive and all new truck bed conversion, MAMMOTH 6X6 will have a fully upgraded off-road suspension, bespoke interior, upgraded front and rear bumpers with upgraded LED lights and more.

Hennessey RAM TRX Mammoth
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