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Traxxas E-Maxx 16.8V RTR 4WD RC Monster Truck - 3905

Other Products by Traxxas


Item #: TRA3905Age Level: 14+
Skill Level Intermediate
List PriceeHobbies PriceYou Save
$640.00$369.99$270.01 (42%)
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The new Traxxas E-Maxx� takes 4WD monster truck thrashing to the next level of fun and excitement. To go along with the torquey 16.8-volt EVX-2 dual-motor power system, key improvements have been engineered into the suspension, driveline, chassis, and electronics to make this the toughest, most versatile E-Maxx ever. The new E-Maxx is equipped with Revo� sealed pivot ball suspension; dual-servo steering; an all-new transmission; Revo sealed differentials; a new, longer chassis; and weather-sealed electronics. And that�s just the start. Everywhere you look on E-Maxx Traxxas engineers have thoughtfully integrated new enhancements and features that make E-Maxx stronger, easier to use, and most importantly, more fun!

E-Maxx is equipped with sealed electronics that eliminate boundaries and let you drive where you want to drive. E-Maxx lets you blaze new trails through water, mud, snow and other wet-running conditions that wouldn�t have been possible before. Since water is no longer the enemy, E-Maxx opens up a whole new world of 4x4 adventure and fun.

E-Maxx is equipped with an all-new transmission that�s been engineered to handle nearly 2 � times more torque than the original, and yet do it in a more compact package. Extra-wide gears, smart use of steel components, and the Revo�-Spec Torque-Control� slipper all combine for the strength needed to handle the extreme power and torque that�s possible with today�s battery and motor technology. The design positions the motors closer to the chassis for a lower cg and improved handling. An optional bolt-in two-speed is available for shift-on-the-fly gearing options. Revo-Spec large diameter sealed driveshafts and sealed differentials are used for massively increased torque handling and long-lasting performance. Since the diffs are completely sealed, they can be fine-tuned with different oil viscosities to adjust the limited-slip action.

The waterproof Traxxas EVX-2� is optimized to deliver massive power from dual 7-cell battery packs. The EVX-2 packs a serious punch, belting out over 16 volts of power to the twin 550 high-torque motors. Titan 550 motors feature 30% longer motor armatures than a standard 540 size motor for monster big block torque. An internal fan helps keep the motors running at optimal temperatures for maximum power. Mash the throttle for wheelies on demand and absolutely mind-bending monster truck action that only E-Maxx can deliver. Designed by Traxxas, the EVX-2 features three drive profiles, thermal shutdown protection, and Traxxas high-current battery connectors. The EVX-2 also includes our exclusive, patent-pending Training Mode.� This profile reduces the overall power output of the EVX-2 by 50% making it easier for young or new drivers to develop their control skills before unleashing full-power operation. The EVX-2 is manufactured by Traxxas to ensure the highest level of quality and support, plus it�s backed by the exclusive Traxxas Lifetime Electronics Warranty.

Included in the box is the E-Maxx, Ready-to-Race with Twin Traxxas Titan 550 motors, EVX-2 Electronic Speed Control, TQ Radio System and full color instructions. What you'll need to run your E-Maxx is the following: 8AA batteries, two 6-cell (7.2v) or 7-cell (8.4v) NiMH battery packs with Traxxas high current connectors (7-cell recommended for best performance), a peak detecting charger and 2 charging adapters. Please see the 'Required Components' area above for our recommendations.



Traxxas 2-channel Radio System Included
Accepts (2) 6 or 7 Cell Flat Battery Packs
EVX-2 Electronic Speed Control
Weather-sealed electronics
Waterproof servos
4-channel micro receiver
All-new single speed transmisson (2-speed optional)
Revo-Spec sealed pivot ball suspension
Revo-Spec sealed differentials
Revo-spec sealed outer and center driveshafts
All-new, low-CG chassis design
Stronger chassis braces
New transmission skid plate
Scaleable battery compartments
Snap-lock battery hold downs
Dual-servo steering system
Hex hardware throughout
3.8in mirror chrome twin-spoke wheels
3.8in Maxx chevron tires
Engineered for running in wet conditions
Brushless Ready


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Length: 20.4 inches
Front Track: 16.4 inches
Rear Track: 16.5 inches
Center Ground Clearance: 4 inches
Weight: 148oz
Height: (overall) 9.8 inches
Wheelbase: 13.2 inches
Front Shock Length: XXLong
Rear Shock Length: XXLong
Front Tires (pre-glued): Maxx� Chevron
Rear Tires (pre-glued): Maxx� Chevron
Front Wheels: 3.8in Split-Spoke (chrome)
Rear Wheels: 3.8in Split-Spoke (chrome)
Speed Control Type: EVX-2 Forward/Reverse/Brake
Motor (electric): Dual Titan� 550, Fan Cooled (21-turn)
Transmission: Single-Speed (2nd gear only)
Overall Drive Ratio: 18.67 (stock, out-of-box)
Differential Type: Bevel Gear, Sealed, Limited Slip
Gear Pitch: 32-Pitch
Chassis Structure/Material: Molded Composite Nylon Tub
Brake Type: Electronic
Drive System: Shaft-Driven 4WD
Steering: Bellcrank
Radio System: Traxxas TQ
Top Speed: 30+mph
Skill Level: 2
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