Hennessey reveals wild six-wheeled Mammoth ute

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Seven-metre-long truck is Hennessey’s biggest pick-up yet and driven by an uprated 6.2-litre supercharged Hellcat V8.

American performance engineering company Hennessey has revealed its largest vehicle yet: a six-wheeled truck with more than 750kW.

The Hennessey Mammoth 1000 6×6, based on the Ram TRX, is 7190mm long, 2133mm tall and 2235mm wide.

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Under the bonnet sits a 6.2-litre supercharged Hellcat V8 engine from the donor Ram, but it has been uprated from the standard engine to produce 755kW – an increase of more than 220kW.

Automotive Daily has contacted Hennessey for detailed performance figures.

A 432Nm increase over the Ram’s standard torque figure means the Mammoth produces 1314Nm.

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On top of its huge power increase, the Mammoth gains an off-road kit with Bilstein suspension and locking rear axles.

Six 20-inch wheels are fitted with 37-inch off-road tyres. The addition of a third axle extends the model’s length by 1219mm. It’s also equipped with more rugged-looking front and rear bumpers and LED lights.

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John Hennessey, Hennessey’s founder and CEO, 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.”

Prices for the Hennessey Mammoth 1000 6×6 start from $449,950 (AUD$609,000), including the cost of the base Ram TRX. Just 12 cars will be built each year.

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The Mammoth is Hennessey’s third and most powerful six-wheel pick-up model. It follows the Ford Ranger-based VelociRaptor 6×6, which produced 440kW, and the Goliath 6×6 Silverado, which is based on the Chevrolet Silverado and produced 590kW.

Jack Warrick

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