The iconic Ram 1500 pickup truck is switching to six-cylinder engines for the 2025 model year, marking the end of the legendary HEMI V8 in this popular truck. But fear not, muscle truck lovers!

To build the Mammoth 6x6, Hennessey has extended the load bay of ... uprated injectors and a revised induction system, with bespoke engine mapping to suit. The result is 1,012bhp and a colossal ...

Meet the Mammoth 1000 Last Stand from Hennessey ... a serial number plaque in the engine bay, Hennessey-embroidered headrests, and a few other bits and bobs. The tuner based in the Lone Star ...

Texas-based engine maker Hennessey Performance Engineering has come up with an SUV that's maybe just a little over the top. Based on a Ram TRX pickup truck, 7-passenger Mammoth 1000 features a ...

This means there’s meaty 558bhp and 911Nm of torque on offer - that’s a little way off the Mammoth 6x6’s 1,012bhp, however. There is a sensible side to Hennessey’s latest crazy super truck.