World’s most powerful ute breaks cover with six wheels

world’s-most-powerful-ute-breaks-cover-with-six-wheels

The specially modified tri-axle Ram pick-up is more than a metre longer than the longest Rolls-Royce, has more power than most hypercars, and costs more than a small house.


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You call that a ute? A US high-performance tuning firm has created what it claims is the world’s most powerful pick-up.

Based on the Ram TRX production ute, US manufacturer Hennessey has stretched the chassis, added a third axle, and tuned the V8 engine.  



The truck now measures 7190mm from nose to tail, and weights approximately 4.0-tonnes – meaning it can be driven on a car license.

For reference, the longest Rolls-Royce limousine ever built is the 5980mm current-generation Phantom VIII LWB.

At its highest point, the Hennessey ute is 2130mm tall – towering over all but the very biggest NBA basketball players.  



The existing 6.2-litre Hellcat V8 engine picks up new superchargers, fuel injectors, and a high-flow induction system.

These modifications up output to 754kW/1314Nm, sent to all six wheels via an eight-speed automatic transmission.

While performance figures are yet to be announced, a 0-100km/h sprint in the mid 4.0-second range is likely.



All six 20-inch alloy wheels are wrapped by 37-inch off-road tires, while the two rear axles can be locked for off-road driving.

New LED lights, custom bumpers at the front and rear, electronic fold-out steps, Hennessey badging, and embroiled seats are also fitted as standard.

“Everything we do at Hennessey Performance is turned up to 11, but the Mammoth 1000 6×6 is definitely turned up to 12,” company CEO John Hennessey said in a media statement.



“Everything on the Mammoth 6×6 is bigger, badder, and more imposing – plus, it’s still super-fast, while being a total powerhouse off-road. It’s the undisputed king of the road.”

Just 12 examples of the 2022 Hennessey Mammoth 1000 6×6 TRX are slated for production each year, according to the manufacturer.

Pricing in the USA will start “in excess of” $US450,000 ($AU610,000), with a standard two-year/38,000km warranty included.



While Hennessey says the vehicle is “available for global shipping,” the car will not be offered in right-hand drive – ruling it out for Australia.

It also offers a small number of bespoke hypercars, including the $US1.8 Hennessey Venom F5 – which it claims has will top 500km/h.

William Davis has written for Drive since July 2020, covering news and current affairs in the automotive industry. He has maintained a primary focus on industry trends, autonomous technology, electric vehicle regulations, and local environmental policy. As the newest addition to the Drive team, William was brought onboard for his attention to detail, writing skills, and strong work ethic. Despite writing for a diverse range of outlets – including the Australian Financial Review, Robb Report, and Property Observer – since completing his media degree at Macquarie University, William has always had a passion for cars.

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