If you want the pinnacle of off-road capability and performance, a Hummer H1 converted by Predator Inc. to use the Duramax engine is your best bet. With this update, your Hummer becomes a formidable machine, sporting a powerful Duramax diesel engine capable of approx. 465HP and 1100ft lbs of torque.

The XHP Hummer conversion kit includes the highest quality components available for your Duramax powered Hummer project. The entire kit has been engineered to optimize the fit of the Duramax drivetrain into the hummer platform.

Mash Motors Inc. is world-renowned for our Duramax Diesel conversions for the Hummer H1, H2 and large SUVs including the Chevy Suburban, Yukon and Avalanche. We are also the first company to successfully convert the Hummer H3 with the Vortec 6.0 liter engine and 4L60HD transmission by GM.

Add the reliability and performance of the Duramax® and Allison® 6 Speed to your Humvee®. Available for Riot, Ruckus , Rampage and Bring Your Own Humvee ® customers. HAVE QUESTIONS?

Hummer H1 Enclosed. The "Alpha" was a re-engineered H1 equipped with GM's 6.6 L Duramax Diesel and 5-speed Allison transmission. This replaced the previous GM 6.5 L diesel engine. The update program commenced in late 2002 with a production launch in the fall of 2004.

This set of motor mounts (2 included) and transmission cross member are designed to convert your H1 Hummer to be powered by a GM Duramax diesel engine and Allison transmission. These attractive mounts are laser cut and precision welded.

Experience the luxury and capability of the Hummer H1. Learn about its impressive off-road performance and stylish interior.

This is a one of a kind extremely clean 2000 Hummer H1 with a full Predator Duramax and Alpha interior Conversion! Full Alpha H1 Wagon conversion. The engine is a Predator Inc. built Duramax Diesel Engine that has been tested with a full run of break-in procedures.

Swap a Duramax drivetrain into your Hummer H1 or HMMWV with our basic DIY kit. Our kit includes the highest quality parts, precision engineered to fit your vehicle.

Jun 11, 2019 · The company started by replacing the 6.5 L Detroit Diesel V8 with a turbocharged 6.6 L LBZ Duramax V8 that makes 525 horsepower and 950 lb-ft of torque. The engine features a Danville Performance 65 mm Stage 2 turbocharger, Exergy Engineering Sportsman injectors, ported fuel rail fittings, Pusher Intakes Super Max intake, and 4-inch diameter ...