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Mopar Underground 2010 Ram Powerwagon Concept

Short And (Oh So) Sweet

By Ken Brubaker, Photography by Sean P. Holman
There’s no debating that the Powerwagon has a muscular stance befitting its name. That look is enhanced by an exterior paint scheme that is a nod to that found on the Power Wagon in the ’70s. All of the colors are custom, the main color is white, and it has black highlights and a green accent. The truck rolls on 40-inch-tall BFG Mud-Terrain tires that are 14½ inches wide. They’re inflated around the factory 17x8 forged aluminum Power Wagon wheels that have been powdercoated black (the rig is shod with 17x8.5 Hutchinson Rock Monster beadlock wheels on the cover of this month’s issue). All of the fenders were radiused to create ample room for the big tires to travel without contacting sheetmetal. The truck has a generous 25¼ inches of front bumper-to-ground clearance and an impressive approach angle of 45 degrees. Out back, it has 32 ½ inches of rear tow hook-to-ground clearance and a notable departure angle of 39 degrees. The lowest point under body, other than the axles, is the exhaust xover pipe at 19 3/4 inches.
There’s no debating that the Powerwagon has a muscular stance befitting its name. That loo

When Dodge resurrected the Power Wagon name in 2005, it was clear the company was dead serious about offering the industry’s most off-road-capable fullsize pickup. Dodge based the Power Wagon on the solid axle ¾-ton Ram truck, and it was fitted with front and rear locking differentials; a switch-operated disconnecting front sway bar to improve suspension flex; lots of beefy underbody protection; a simple lever-shift transfer case; stout Warn 12,000-pound winch; quality Bilstein shocks; large 33-inch tires; and strong 17-inch forged aluminum wheels. It doesn’t get much better than that. Or does it?

Here’s one of the trucks surprises, a one-of-a-kind cargo bed that was custom made for the Powerwagon. Mopar Under Ground grafted a pair of ’10 Ram dualie bedsides onto a narrowed and lengthened inner box section from a 5-foot 7-inch RamBox cargo bed. The cargo bed was then lined with protective bedliner material and a Mopar Accessories fuel door was added to the driver-side bedside. The result is a brawny looking unit that retains its functionality.
Here’s one of the trucks surprises, a one-of-a-kind cargo bed that was custom made for the

To gauge consumer reaction, Chrysler’s Mopar Under Ground created a radical, short wheelbase version of the ’10 Power Wagon that integrates Power Wagon features in a regular cab truck with a trick, custom bed. The result is a rig that is over 32 inches shorter in overall length and has a 29-inch shorter wheelbase than the current Power Wagon Quad Cab. Not only does this configuration look smokin’ hot, it translates to improved maneuverability both on- and off-road.

Out back there’s a custom tube bumper welded to the rear framerails and it’s made from 4-inch-diameter steel tube. A spare tire and wheel are bolted securely to the cargo bed floor via a custom mount. Bolted to each framerail is a heavy-duty towhook.
Out back there’s a custom tube bumper welded to the rear framerails and it’s made from 4-i

So how did Mopar Under Ground create what they simply call “Powerwagon,” and what are its features? Read on, there are some surprises.

The Details
General
Owner/Hometown: Chrysler LLC/Auburn Hills, Michigan
Vehicle/Model: 2010 Ram Powerwagon
Estimated value: N/A
Engine
Type: Chrysler 5.7L Hemi V-8
Aspiration: Fuel injection
Output, hp/torque (estimated): 383/375
Drivetrain
Transmission: Chrysler 545RFE 5-spd auto
Transfer case: NV271
Suspension
Front: Superlift 4-in-lift coil springs, Bilstein 5100 shocks
Rear: Superlift 4-in-lift coil springs, Bilstein 5100 shocks
Axles/Differentials
Front: AAM 9.25-in/TracRite
Rear: AAM 10.5-in/TracRite
Ring and pinion: 4.56:1
Wheels/Tires
Wheels: 17x8 factory forged aluminum, powdercoated (17x8.5 Hutchinson Rock Monster beadlock’s on the cover image)
Tires: 40x14.50R17 BFGoodrich Mud-Terrain

  • The front axle is a Power Wagon-spec AAM 9.25-inch unit with TracRite electronic locking differential, 4.56:1 ratio gears, and 14.17-inch-diameter brake rotors with dual-piston calipers. The suspension is a Superlift system that includes 4-inch-lift coil springs, a track bar relocation bracket, a new pitman arm, longer sway bar end links, and longer bumpstops. The shock absorbers are Bilstein 5100 monotube units.
    The front axle is a Power Wagon-spec AAM 9.25-inch unit with TracRite electronic locking d
  • Here’s another one of the trucks surprises. In order to eliminate the leaf-spring rear suspension and replace it with a coil-spring suspension, Mopar Under Ground cut the Power Wagon’s factory 3/4-ton chassis approximately 10 inches behind the cab and then replaced everything rearward with a section of rear chassis from a 2010 1/2-ton Ram truck. The suspension includes Superlift components like Superide dual-rate 4-inch-lift coil springs as well as a number of new brackets including those to relocate the factory four-link bars to the frame. Like the front, Bilstein 5100 monotube shocks are used in the rear. The rear axle is an AAM 10.5-inch unit with TracRite locking differential (which operates as a helical-style limited slip when unlocked), 4.56:1 ratio gears, and 14.17-inch-diameter brake rotors with dual-piston calipers.
    Here’s another one of the trucks surprises. In order to eliminate the leaf-spring rear sus
  • The factory front bumper was modified for tire clearance by trimming approximately 1 1/2 inches from each end. Tucked behind the bumper is a Warn 12,000-pound winch that has been fitted with synthetic rope. The factory chrome grille was painted black.
    The factory front bumper was modified for tire clearance by trimming approximately 1 1/2 i
  • To create a custom look, the headlamp bezels were painted black.
  • A custom dual Corsa after-cat exhaust system carries gases to the rear of the truck.
  • Situated on each side of the truck is a custom rocker guard made by Rock-Slide Engineering and these guards offer protection from trail damage.
    Situated on each side of the truck is a custom rocker guard made by Rock-Slide Engineering
By Ken Brubaker
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