Vaterra GenRight 4400 Replica Twin Hammers Rock Racer Kit

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  • Product Description

    This is the Vaterra scale model of GenRight's 4485 King of the Hammers race car. It is named for a pair of infamous off-road trails in California’s Mojave Desert.

    The Twin Hammers® 1/10 scale rock racer epitomizes the spirit of 4WD adventure.

    This kit version lets experienced RC drivers build the vehicle to their specifications, using the electronics and power system of their choice. It also takes the performance of this proven platform to the next level by including the option parts that have been most popular with the RTR version.

    Includes options like; Interco Super Swamper Tires, a front locker, heavy duty front axle outdrives and more!


    • 4-Wheel Drive
    • Shift-on-the-fly, two-speed transmission
    • Metal transmission gears
    • Metal gear differentials
    • 4-Link rear suspension
    • Threaded-body aluminum shocks
    • Licensed Interco Super Swamper tires
    • Independent cantilever front suspension
    • Metal 12mm hexes
    • Dual position battery tray
    • Heavy duty outdrives
    • Front differential locker
    • Front and rear swaybars
    • Clear body panels
    • GenRight™ decal sheet



    • Transmitter and receiver (3-channel system required to operate two-speed transmission)
    • Steering Servo
    • Shift Servo (optional)
    • ESC
    • Battery
    • Charger
    • Motor
    • Pinion
    • Polycarbonate Paint



    Approximate Assembly Time: 10-15 Hours
    Ball Bearings: Yes
    Batteries: Not included
    Body: Unpainted Clear Polycarbonate Panels (flat hood and roof) w/ GenRight Decals
    Brakes: Electronic
    Charger: Not included
    Chassis: Molded Composite
    Completion Level: Kit
    Drivetrain: 4WD
    Final Drive Ratio: High Gear - 18.1:1 Low Gear - 32.1:1
    Front Track: 10.00 in (254mm)
    Gear Pitch: 48-Pitch
    Ground Clearance: 2.25 in (57mm)
    Internal Gear Ratio: High Gear - 2.27:1 Low Gear - 4.05:1
    Motor Size: 540 Required
    Motor Type: Brushed
    Pinion: 28T
    Rear Track: 10.00 in (254mm)
    Servos: Not included
    Shock Type: Aluminum Oil Filled Coil-over
    Size/Scale: 1/10
    Speed Control: Not included
    Spur Gear: 78T
    Suspension: Cantilever (front), Trailing Arm (rear)
    Tire Compound: Blue Compound
    Tire Diameter: 4.6 in (116.8mm)
    Tire Tread: Licensed Interco Super Swamper STL SX
    Track: 9.5 in (241.3mm)
    Vehicle Type: Rock Racer
    Wheel Diameter: 2.25 in (57mm) overall, 1.90 in (48.2mm) bead surface
    Wheel Type: 1.9" Bead Lock
    Wheel Width: 26mm Outside to Outside of Bead Lock
    Width: 9.5 in (241.3mm)
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