Description
Make: Ram
Model: 1500 TRX Hennessey Mammoth 900
Year: 2021
Mileage: 25,100
Engine: 6.2L Supercharged V8
Drivetrain: 4WD
Transmission: Automatic (8-Speed)
Body Style: Truck
Exterior Color: Matte Green (vinyl wrap over Granite Crystal)
Interior Color: Black
Description
THIS… is a 2021 Ram 1500 TRX Hennessey Mammoth 900, finished in Granite Crystal and wrapped in matte green vinyl, with a black interior.
This example has been upgraded with Hennessey Performance’s Mammoth 900 package, which significantly enhances the already formidable TRX platform. The upgrade includes an ECU tune, upper and lower pulley upgrades, a ported supercharger snout, high-flow fuel injectors, and an upgraded intake system, along with heavy-duty metal front and rear bumpers.
From the factory, this TRX is highly optioned and equipped with the Level 2 Equipment Group, TRX Carbon Fiber Package, Technology Group, Advanced Safety Group, Trailer Tow Group, and Bed Utility Group, along with a dual-pane sunroof, Mopar off-road running boards, TRX red interior accents, and a Harman/Kardon 19-speaker premium sound system.
Introduced for the 2021 model year, the Ram TRX was developed as a direct response to the Ford Raptor, featuring a reinforced frame, long-travel suspension, aggressive bodywork, and the Hellcat-derived supercharged V8. It remains one of the most powerful and capable production pickup trucks ever built.
Performance
Power comes from a supercharged 6.2-liter Hellcat HEMI V8, originally rated at 702 horsepower and 650 lb-ft of torque. According to Hennessey, the Mammoth 900 upgrades increase output to approximately 912 horsepower and 873 lb-ft of torque. Power is sent to all four wheels through an 8-speed automatic transmission.
Factory Equipment & Features
A window sticker is shown in the gallery, and notable equipment includes:
– TRX Level 2 Equipment Group
– TRX Carbon Fiber Package
– Technology Group
– Advanced Safety Group
– Trailer Tow Group
– Bed Utility Group
– Electronic locking rear differential (3.55 axle ratio)
– Adaptive dampers
– Mopar off-road style running boards
– Dual-pane sunroof
– Leather upholstery with TRX red accents
– Heated and ventilated front and rear seats
– Heated steering wheel
– Uconnect infotainment system with 12-inch touchscreen
– Navigation system
– Harman/Kardon 19-speaker premium sound system
Modifications
Hennessey Mammoth 900 Package – Powertrain:
– ECU tune
– Upper and lower pulley upgrade
– Ported supercharger snout
– High-flow fuel injectors
– Crankcase ventilation system
– Performance air intake system
Exterior & Chassis:
– 20-inch Hennessey wheels
– 37-inch Nitto Ridge Grappler M/T tires
– Metal front bumper with push guard, LED light bar, and off-road lighting
– Metal rear bumper
Additional Modifications:
– Matte green vinyl exterior wrap
– Retrax XR retractable bed cover
– Tinted windows
– Ravelco anti-theft system
– Hardwired radar detector
Recent Service History
Service records detail routine maintenance. The seller reports recent work including:
– April 2024 (21,993 miles): Engine oil and filter changed, brake fluid flushed, tires rotated
– September 2023 (16,775 miles): Engine oil and filter changed, tires rotated
– March 2023 (11,420 miles): Driveshaft lubricated, boot clamps replaced
– February 2023 (11,089 miles): Engine oil and filter changed, recall campaign completed, tires rotated
– October 2022 (9,123 miles): Hood emblems replaced
– April 2022 (5,080 miles): Engine oil and filter changed, tires rotated
Included with Sale
– 2 keys
– Owner’s manuals
– Window sticker
– Hennessey documentation
– Spare set of 35-inch tires
– Car cover
