Billed as a limited edition sport truck, the Mammoth 400 is based on the Ram 1500 Laramie and features paintwork that pays tribute to Hennessey’s early roots in the Dodge Viper community.

The Mammoth 400 features the Ram 1500’s 5.7-liter V8 breathing ... Custom front and rear bumpers complete the look and Hennessey is only offering the trucks in Dodge Viper red, white and GTS ...

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 6x6 TR ...

The Ram 1500 TRX may be dead and buried, yet one tuner decided to celebrate it by releasing an insane upgrade wrapped in a rather simple package. Meet the Mammoth 1000 Last Stand from Hennessey ...

"The 2018 Demon is a street-legal rocket from Dodge, but we wanted to take the car's impressive track times to an industry leading level." said president and company founder, John Hennessey.

Enter to win the limited-edition 2024 RAM TRX Mammoth 1000 – a 1,012-horsepower, off-road beast with exclusive upgrades. In a nod to raw power and off-road prowess, Hennessey’s limited-edition 2024 ...

Based on a Ram TRX pickup truck, 7-passenger Mammoth 1000 features a supercharged V8 that makes it a real muscle car! Hennessey Takes the Mad 2021 Dodge Durango Hellcat to an Insane 1012 hp The ...