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November 20,2017
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E-MAXX RTR Brushed Truck by Traxxas

NOW: $429.99

* Currently Out of Stock


E-MAXX RTR Brushed Truck by Traxxas

This is the Traxxas E-Maxx 2.4GHz RTR Electric RC Monster Truck (TRA3903Traxxas

The 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 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 waterproof electronics. And that's just the start. Everywhere you look on E-Maxx Traxxas engineers have thoughtfully integrated enhancements and features that make E-Maxx stronger, easier to use, and most importantly, more fun!

  • Time-tested and race-proven E-Maxx chassis
  • Twin Titan 550 motors and waterproof EVX-2 electronic speed control
  • Power Cell LiPo batteries and charger   6509
  • Massive 6.3 in. Maxx tires
  • Weatherproofed electronics
  • Extreme-duty slipper clutch
  • High-torque digital steering servos
  • Brushless-ready, heavy-duty transmission
  • Extended wheelbase and adjustable wheelie bar
  • NEW TQi 2.4GHz Transmitter and Receiver
  • Traxxas Power Cell Batteries Included!
  • Waterproof electronics
  • Waterproof servos & ESC
  • All-new single speed transmission (Two-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
  • Integrated ervo saver
  • Hex hardware throughout
  • 3.8" mirror chrome Twin-Spoke wheels
  • 3.8" Maxx® chevron tires

Every Traxxas E-Maxx brushed RTR monster truck comes with a list of features that makes lesser trucks run in fear!

E-Maxx model 3903 comes fully-assembled and Ready-To-Drive® with the TQi 2.4GHz radio system installed and adjusted, EVX-2 power system with Low-Voltage Detection, Traxxas Power Cell batteries, a painted and decaled body, pre-glued tires, and detailed instructions. Your investment is also protected by the Traxxas Lifetime Electronics Warranty. Traxxas goes the extra mile to ensure that your R/C experience is easy and fun (and fast!).

  • Two Traxxas Power Cell Battery packs (NiMH, 7-C Stick)
  • Traxxas E-Maxx 2.4GHz Brushed RTR Electric RC Monster Truck
  • 16.8V Traxxas E-Maxx Monster Truck oil-filled shocks
  • Two motors electronic speed control
  • Painted body
  • Tires
  • Foam inserts
  • 2.4GHz 2CH radio
  • Two steering servos
  • Wheels
  • Instructions
  • Decals
  • Tools
  • Foam battery spacers
  • Transmitter: 8 AA Batteries
  • Charger: 8.4V Charger

  • Length: 20.4 (518mm)
  • Width: 16.5 (419mm)
  • Height: 9.8 (248mm)
  • Weight: 9.25 lbs (4196g) approx. without batteries
  • Wheelbase: 13.2 (335mm)
  • Front Track: 16.4 (417mm)
  • Rear Track: 16.5 (419mm) side to side at outer edges of wheels
  • Center Ground Clearance: 4 Inches (101mm)
  • Front Shock Length: XXLong
  • Rear Shock Length: XXLong
  • Front Tires (pre-glued): Maxx Chevron (5.75" x 3.8")
  • Rear Tires (pre-glued): Maxx Chevron (5.75" x 3.8")
  • Front Wheels: 3.8" Split-Spoke (chrome)
  • Rear Wheels: 3.8" 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: TQ 2.4GHz High Output with Traxxas Link

The optional TQi Docking Base allows the user's iPhone 3G/3GS/4/4S or iPod Touch 2nd/3rd/4th generation along with the Traxxas Link App to deliver an intuitive, high definition graphical user interface featuring Real Time Telemetry, Customizable Dashboards, Steering/Throttle Expo, Steering/Braking Dual Rate, Servo Reversing, Endpoint Adjustment, Profile Customization and Sharing.

Do NOT use LiPo batteries with the stock motor setup in this vehicle. The EVX-2 speed control is not equipped with low voltage detection.


MODEL 3903: Fully assembled, Ready-To-Race®, with TQi™ 2.4GHz radio system, EVX-2 Waterproof Electronic Speed Control and ProGraphix® painted body.

Take racing to the next level with these Traxxas E-Maxx brusled RTR monster trucks. These trucks encompass everything you expect from a Traxxas truck--they are ultra-tough and brutally fast! These trucks are built around a time-tested and proven chassis that features 4-wheel independent suspensions with huge amounts of travel and massive ground clearance.

The Twin Titan 550 motors and EVX-2 speed control provide the motivation to the trucks by delivering insane amounts of torque and power to launch them down the track when you put the hammer down! Best of all, these trucks come pre-assembled and ready to run right out of the box.

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