Traxxas EMaxx Brushless







Traxxas E-Maxx Brushless Edition is better equipped than ever! The already-loaded E-Maxx now includes Traxxas Stability Management, waterproof electronics, and the TQi transmitter as standard equipment. This heavy-duty setup gives Traxxas E-Maxx wheel-lifting torque and brutally quick acceleration on the way to over 35mph with two 7-cell NiMh batteries—or blow by 65mph by installing optional Power Cell 3S LiPo batteries!

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SKU: 39086-4 Category:


Traxxas EMaxx Ultimate Electric 4X4 Maxx Monster

Traxxas EMaxx Brushless – MXL-6s Brushless Power System

Built specifically to handle the rigors of large, power-hungry trucks, the waterproof MXL-6s electronic speed control is ready for 6S LiPo power with its massive 6.5mm gold-plated connectors, high-efficiency heatsink, integrated cooling fan and heavy-duty components. The speed control sends its power pulses to a 2200kV, 75mm motor, designed specifically for maximum performance and reliability with 6S LiPo power in torque-hungry applications. The aluminum motor can is machined to act as a massive heatsink, high-grade bearings deliver maximum efficiency, and high-strength Neodymium magnets give the Traxxas EMaxx Brushless Edition outrageous torque. To resist the twist, a beefy 5mm shaft transfers power to the Brushless-Ready transmission.

Sealed Electronics Extend Your Driving Fun

Only Traxxas lets you experience 4WD excitement year-round, no matter what Mother Nature has to offer. Water, mud, and snow don’t slow down the Traxxas EMaxx; its electronic speed control, receiver box, and high-torque digital steering servos  are all waterproof for worry-free fun in wet conditions that send other trucks back to the workbench. Drive the Traxxas EMaxx where you want, when you want—the only limit is your imagination.

Designed From The Start For Brushless Power

At Traxxas, we don’t make conversions. We built it right the first time. So, when our engineers sat down to design the latest Traxxas EMaxx, they made sure it had all the strength and durability needed for today’s most powerful aftermarket brushless setups. Give the Traxxas EMaxx all you’ve got; its Brushless-Ready™ transmission is built for hard-hitting 6S LiPo power with the burliest brushless motors, and every component between the motor and the tires is proven tough for full-throttle fun, pack after pack, with the durability and reliability you expect from Traxxas

The Traxxas EMaxx Brushless Edition is equipped with the world’s most advanced Ready-To-Race® radio system. The all-new Traxxas® TQi™ arrives with a full complement of tuning features and offers the unbeatable convenience of “no channels, no crystals” 2.4GHz technology—but that’s just the beginning. Automatic model recognition instantly recalls your settings for up to 30 Traxxas Link-enabled models. Just switch on and drive, no naming or “model memory” settings required. Power up the transmitter and the model you want to drive, and the settings for that model are dialed in immediately! The new TQi 2.4GHz transmitter is fully adjustable: steering and throttle end points can be set precisely, and the Multi-Function knob can be programmed to control Steering Sensitivity (Expo), Throttle Sensitivity (Expo), Steering Percentage (Dual Rate), Braking Percentage (Dual Rate), or Throttle Trim. TQi’s ergonomic case design provides all-day driving comfort, and the unique internal antenna contributes to its sleek, modern look.

INCLUDES: Traxxas EMaxx RTR Monster Truck, waterproof MXL-6s Brushless Power System, wide track body, 2-channel 2.4GHz TQi radio with two servos, TSM, high power 2200Kv motor, instruction manual


Radio Batteries: Eight for transmitter

Batteries: Two NiMH 7-cell flat packs with Traxxas connectors

Battery Charger: Compatible with selected batteries

Misc. Items: Building and track equipment

Be sure to check out the TMaxx & the XMaxx 8S


Battery & Charger


  • Traxxas Stability Management®
  • Self-Righting
  • 30+mph with 2-7cell NiMH packs, 65+mph on 6S LiPo! (batteries sold separately)
  • TQi 2.4GHz Radio System
  • High-power 2200Kv motor
  • Factory-installed waterproof MXL-6s Brushless Power System
  • Waterproof electronics for all-weather driving excitement in water, mud and snow!


Traxxas Stability Management (TSM): Superior tuning algorithms run on high-speed electronic components to control wheel spin and steering direction on loose dirt, concrete and even ice and snow. TSM can be fine tuned or turned off by adjusting the multi-function knob on the TQi transmitter or the slider in the Traxxas Link app
Chassis: 0.08  (2mm) thick composite with quick release hold downs and scaleable battery components to fit a variety of stick or side-by-side packs
Drive: Four wheel shaft drive with Revo spec sealed large diameter outer and center drive shaft
Motor: Castle Creations MXL-6s 2200Kv brushless, 6S capable, high-strength neodymium magnets, 5mm shaft, aluminum motor can
Radio: Traxxas TQi with Multi Function knob that can be programmed to control steering and throttle sensitivity, steering and braking percentage or throttle trim, Wireless Module compatible (not included, must be purchased separately, TRAC6511)
Electronic Speed Control: Castle Creations MXL-6s, cooling fan, 6.5mm gold-plated connectors, high efficiency heatsink Ball Bearings: Full set, rubber sealed
Shocks: Eight oil-filled, composite bodied with white springs, rubber pressure bladders and double O-ring seals
Gearbox: Sealed
Differentials: Revo spec with X-ring seals to keep oil in and dirt out, bevel gear design, sealed limited slip                  Slipper Clutch: Traxxas’s patent pending Torque-Control with aluminum slipper clutch friction pads
Transmission: Heavy duty brushless ready, single-speed Tires: Treaded soft compound Maxx 6.3″ (160mm) outer diameter 3.3″ (85mm) wide
Wheels: 3.8″ (96mm) diameter black chrome 10 spoke
Bumpers: Plastic front and rear with kickups
Suspension: Adjustable Revo Spec sealed pivot balls
Caster: Adjustable, caster/toe-in refers to the angle of the front suspension when viewed from the side of the car in relation to the chassis
Camber: Adjustable, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle
Steering: Heavy duty dual servo bell-crank type with ball bearings



E-Maxx Brushless (39086-4) Manual – English

Parts List

E-Maxx Brushless (39086-4) Parts List

Explosed Views

E-Maxx Brushless (39086-4) Chassis Assembly Exploded View

E-Maxx Brushless (39086-4) Driveshafts Assembly Exploded View

E-Maxx Brushless (39086-4) Front Assembly Exploded View

E-Maxx Brushless (39086-4) Rear Assembly Exploded View

E-Maxx Brushless (39086-4) Transmission Assembly


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