Hennessy Mammoth 6×6 revealed as monstrous 1,012bhp six-wheeler

Texas tuning specialist Hennessey has created a six-wheel drive Dodge Ram TRX pick-up truck, fitted with a 6.2-litre Hellcat V8 and costing more than $449,950

American car firm Hennessey, famous for its Venom hypercar and thundering high-performance modification projects, has turned its attention to the Dodge Ram to produce this: the Mammoth 1000 6×6 TRX pick-up truck. It’s a six-wheel drive, 1,012bhp behemoth that’s over four feet longer than a standard Ram, costing in excess of $449,950 (£345,703 approx).

To build the Mammoth 6×6, Hennessey has extended the load bay of the Ram to add a third axle that features a locking differential. All six 20-inch wheels are wrapped in 37-inch off-road tyres. Under the bonnet, the Ram’s 6.2-litre Hellcat V8 is retained, albeit with extensive modifications including a new high-flow supercharger, uprated injectors and a revised induction system, with bespoke engine mapping to suit. The result is 1,012bhp and a colossal 1,314Nm of torque.

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In an effort to control all this power, Hennessey has fitted Bilstein suspension at each axle, and promises scorching performance on and off-road. Company founder John Hennessey said, “Everything we do at Hennessey Performance is turned up to 11, but the Mammoth 1000 6×6 is definitely turned up to 12! 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.”

The Mammoth 6×6 stands at over seven feet tall, and features restyled front and rear bumpers, a set of additional LED lights and a bespoke cabin. Despite the extensive modifications, each example will be delivered with a two-year, 24,000 mile warranty. 

Just twelve Mammoth 6×6’s will be built each year, and the new model joins the VelociRaptor 6×6 and Goliath 6×6 Silverado in Hennessey’s range of six-wheeled powerhouses.

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