Sealy, Texas (November 17, 2022) – Hennessey, the Texas-based hypercar manufacturer, and high-performance vehicle creator, has introduced an overlanding upgrade for its MAMMOTH TRX truck. The comprehensive package enables the world’s most powerful pickup truck to take adventure-oriented owners further into the wild than ever before.
Overlanding is vehicle-based, on-road and off-road adventure travel with a focus on self-reliance, resilience, and enjoyment of the journey – getting there is half the fun. With that in mind, the Hennessey MAMMOTH 1000 TRX offers adventurers 1,012-horsepower of 4×4 go-anywhere performance combined with everything needed to be comfortable in the remote backwoods.
The tailored Overland Edition includes a wide range of user-friendly equipment for truck-based living. The modular system utilizes a robust TRX bed rack as its foundation, topped by a convenient hard-shell rooftop tent that takes mere minutes to set up. A retractable 55-inch awning provides shade and shelter, while auxiliary fuel tanks and a pressurized water reservoir are also mounted on the rack to increase range and utility. Other accessories include a 28-inch splitting axe, shovel, and LED perimeter illumination. Grab handles, and a retractable ladder improve accessibility to the tent and equipment.
The new Overland Edition is available on the company’s ‘MAMMOTH 900’ or ‘MAMMOTH 1000’ versions of the RAM TRX. Professionally installed by Hennessey Performance technicians, the comprehensive upgrade can be added to any MAMMOTH build for $19,950.
The MAMMOTH 1000 TRX is celebrated as the world’s fastest and most powerful truck. This performance comes courtesy of its 6.2-liter supercharged ‘Hellcat’ V8 enhanced with Hennessey’s high-flow 2.65L supercharger, larger fuel injectors, and high-flow induction system alongside performance-boosting calibration modifications. The upgrades result in a go-anywhere truck with 1,012 bhp @ 6,500 rpm and mountainous torque of 969 lb-ft @ 4,200 rpm.
John Hennessey, company Founder, and CEO: “Our new MAMMOTH 1000 TRX Overland Edition is the ultimate adventure-oriented vehicle as it adds off-the-grid capability to the world’s most powerful pickup. Thanks to the modular convenience of the system and its seamless integration, explorers may travel to remote areas and effortlessly set up camp without compromising performance or 4×4 capability. There’s nothing else like it!”
Measuring 228.9 inches (5.81 meters) long, 82.1 inches (2.09 meters) wide, and 77.6 inches (1.97 meters) high, the imposing Hennessey supertruck makes an enormous statement on- or off-road. Capable of carrying five adults in first-class comfort and towing more than three tons, the MAMMOTH is the most comprehensive and capable performance overlanding truck on the market.
Overlanding customers will typically specify Hennessey’s Stage 2 off-road enhancement package for their TRX. This package adds robust custom bumpers, vision-boosting LED lights, a front leveling kit, gnarly 37-inch off-road tires, and upgraded electronic fold-out steps. The MAMMOTH 1000 TRX Overland with Stage 2 upgrades also benefits from Hennessey’s comprehensive three-year / 36,000-mile warranty.
Orders can be placed for international shipping through authorized Ram retailers or Hennessey directly by calling +1 979.885.1300 or visiting HennesseyPerformance.com.
Specifications: MAMMOTH 1000 TRX OVERLAND EDITION
MAMMOTH 1000 TRX | EXTERIOR UPGRADES |
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POWER | MAMMOTH OFF-ROAD STAGE 1 |
1,012 bhp @ 6,500 rpm | MAMMOTH Custom Front Bumper |
969 lb-ft torque @ 4,200 rpm | MAMMOTH Custom Rear Bumper |
| LED Lights in Front Bumper |
| 20-inch Hennessey 10-Spoke Wheels |
| 35-inch Off-Road Tires |
| Front & Rear Leveling Kit |
| Professional Installation |
UPGRADES TO STOCK TRX | 3-year / 36,000 Mile Limited Warranty |
Upgraded High-Flow Supercharger System | Installed $17,950 |
Supercharger Front Drive Pulley Upgrade |
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Supercharger Rear Drive Pulley Upgrade | MAMMOTH OFF-ROAD STAGE 2 |
Crank Damper Pin Assembly Upgrade | MAMMOTH Custom Front Bumper |
Upgraded Thermostat | MAMMOTH Custom Rear Bumper |
Heavy Duty Supercharger Belt | LED Lights in Front Bumper |
Upgraded Spark Plugs | 20-inch Hennessey 10-Spoke Wheels |
High-Flow Fuel Injectors | 37-inch Off-Road Tires |
High-Flow Filtration System | Front & Rear Leveling Kit |
Crank Case Ventilation System | Upgraded Electronic Fold Out Steps |
HPE ECM Calibration Upgrade | Professional Installation |
HPE TCM Calibration Upgrade | 3-year / 36,000 Mile Limited Warranty |
All Necessary Gaskets & Fluids | Installed $21,950 |
Professional Installation |
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Chassis Dyno Testing | OVERLAND EDITION |
Road Testing (up to 500 miles) | MAMMOTH Bed Rack with Rock Lights, Grab Handles, and Full Wiring Harness |
Hennessey Embroidered Headrests | Hard-Shell Nimbus Roof Top Tent |
Hennessey Exterior Badge | 55-Inch CVT Hybrid Awning with LED Light |
MAMMOTH 1000 Exterior Badges | Shovel and Shovel Guard |
Serial Number Plaques | 28-Inch Splitting Axe and Locking System |
2-Year / 24,000 Mile Warranty | 2 x Gas Tanks and Mounts |
Installed $36,950 | 8-Gallon Pressurized Water Tank |
| Professional Installation |
| Installed $19,950 |
Package prices & contents are subject to change. Contact Hennessey Performance for details.
Media Contact:
press@hennesseyperformance.com
About Hennessey®:
Based in Sealy, Texas, the Hennessey® business comprises Hennessey® Special Vehicles, Hennessey® Performance (HPE), Tuner School, and the Lonestar Motorsports Park. The company has re-engineered more than 12,000 vehicles for performance enthusiasts from around the world to deliver unparalleled driving thrills. Alongside modifying a diverse range of sports, and muscle cars since 1991, the company also applies its high-performance expertise to trucks and SUVs – and boasts its own hypercars – the Venom GT and the Venom F5.
Every Hennessey® product is dyno-proven, fully track-tested, street-legal and warrantied. Customers can choose from road-ready performance-enhanced cars by Hennessey® from a wide variety of brands including Chevrolet, Dodge, Ford and Jeep in addition to benefitting from a host of high-performance upgrades.
With its own test track, engineering curriculum for aspiring tuners, more than 85 team members and capacity to work on 40-50 vehicles at a time, Hennessey® Performance is one of the world’s leading specialist vehicle engineering companies. The new 6.6-litre V8 Venom F5 hypercar is set for customer deliveries in 2022. Boasting 1,817 hp and a +311 mph top speed, the company is guaranteed to deliver like never before on its mission of ‘making fast cars faster’.
About John Hennessey
As the company founder and CEO, John Hennessey lives and breathes fast, fun cars. John developed a passion for performance while competing at world-renowned motorsport events, including Pikes Peak, the Silver State Classic, and the Bonneville Salt Flats (where he set a class world record).
What started in 1991, modifying imports out of his garage, soon morphed into building 1,000-horsepower twin-turbo Dodge Vipers that gained international recognition in car magazines such as Motor Trend, Car and Driver, Top Gear, and Road and Track.
Known as an American icon of speed, John has achieved his vision to be the top automotive tuner and builder in the U.S. With a global sales footprint covering the U.S., Europe, Asia, South America, and the Middle East, he continues to find ways to engineer greater performance from some of the world’s most iconic vehicles alongside the creation of the company’s world-class hypercar – the Hennessey Venom F5.
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