SENTON 4X4 MEGA Brushed 1/10th 4wd SC Blue
SENTON 4X4 MEGA Brushed 1/10th 4wd SC Blue
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SENTON 4X4 MEGA Brushed 1/10th 4wd SC Blue

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video overview



  • Stronger chassis and retained hinge pin plates
  • Steering with more clearance for stones
  • Castellated slipper pad and sliding gear mesh
  • 23T Spline servo saver
  • Brushless-ready 37T 1.35Mod diffs with silicone O-rings
  • Power Module with sliding gear mesh and improved dirt management
  • Rubber shielded bearings throughout
  • Oil-filled shocks with silicone O-rings
  • New body design, front and rear bumpers, paint and decals
  • New vented tires
  • MEGA 12T brushed 550 motor
  • MEGA waterproof* ESC

* Note: For details on waterproof standards, refer to the instruction manual

  • IC3™ connectors (EC3™) compatible


  • Signature easy-access modular design
    • Easy-access power module
    • Easy-access electronics module
    • Easy-access diff module removal front and rear
  • Double wishbone suspension front and rear
  • Metal-geared differentials
  • Adjustable ride height
  • Adjustable body mounts
  • Extended height dirt defenders
  • Multi-terrain dBoots® Fortress™ SC tires
  • Tough multi-spoke black wheels
  • ADC-N7 7-cell NiMH wall charger
  • 2-year limited warranty (see website for details)
  • 30MPH (48km/h) speed achievable in optimum driving conditions with optional gearing



Fast, rugged and factory-built, the 2S LiPo-compatible ARRMA®
SENTON™ 4X4 MEGA RTR comes ready to bash on any terrain. This version of
the Short Course truck features new equipment that improves on the
original’s already impressive performance and durability.

The SENTON™ 4X4 MEGA RTR Short Course truck is DESIGNED FAST,
DESIGNED TOUGH — built for exciting bashing speeds and extreme,
all-terrain durability. New features to enhance its unstoppable
performance include a stronger chassis and retained hinge pin plates;
steering with more clearance for stones; a castellated slipper pad and
sliding gear mesh; and rubber shielded bearings throughout.

The Short Course truck now also includes the Spektrum™ SLT3™
transmitter and SLR300 receiver. The transmitter is ergonomically
designed for long periods of fatigue-free driving and has a foam wheel
for precise fingertip control plus an improved hand grip and trigger
feel. New bashers will be able to set throttle limits at 50% or 75%
until they are ready to use the full speed potential. The SLT3™ is
compatible with Tactic® SLT™ receivers to run other RTR vehicles you may
own, and includes a third channel to control optional features such as
lights and winches on models that have them.

It retains the ingenious modular design perfected by ARRMA® engineers
for easy component access and maintenance. The power module, with
improved dirt management, consists of a MEGA 550 motor, motor plate,
slipper clutch assembly and gear cover. The power module can be detached
from the chassis as a complete unit by removing just one screw. With
the power module removed, the slipper clutch can be reached easily for
adjustments by taking out three screws that attach the gear cover. The
gear ratio can be finely tuned as the power module now uses a sliding
motor mesh design.

A two-piece molding screwed to the truck’s chassis serves as its
electronics module, containing a waterproof receiver box, servo mount
and ESC tray. The SLR300 receiver mounts inside the receiver box for
protection from dirt and moisture. The ultra-compact ESC is screwed to
the top of the module, allowing quick access to the on/off switch, while
the servo mounts to the side. All three components can be removed
together, quickly and easily.

The differential module houses each differential unit in an
innovative yoke design. Only eight screws need to be removed to release
the front and rear yokes. The power module can then be detached,
allowing you to pivot the gearbox cases for differential access. The
SENTON™ 4X4 MEGA RTR comes brushless-ready with 37T 1.35mod diffs with
silicone O-rings. The large gears can withstand huge torque, and
internal metal gears have been chosen for reliability during extreme

Its full-time 4WD transmission uses strong front, rear, and
centerline telescopic driveshafts that can’t be lost during heavy
impacts, unlike dogbones. A simple, dependable, responsive steering
assembly complements the ultra-reliable drive system and features a
servo horn with built-in servo saver. The SENTON™ 4X4 MEGA RTR includes
the waterproof Spektrum™ SPMS650 digital servo for 20% more torque than
the previous version’s ADS-5 servo.

The self-bleeding, oil-filled shocks, now with silicone O-rings, use a
tried and tested, coil-over design for simple maintenance and amazing
handling. Their innovative rod-end has a molded-in spring perch for
extra toughness. High chassis guards limit the amount of dirt and debris
that can get into the chassis tub. Side impact nerf bars further
protect the chassis and body shell. Shock-absorbing loops keep the front
and rear bumpers secured to the chassis, offering defense against heavy

Tough, multi-spoke black SC wheels with vented dBoots® Fortress™ SC
tires give the SENTON™ 4X4 MEGA RTR effective traction for bashing on
almost any terrain. Multiple battery types can be used with the
hook-and-loop mounting, from 6-cell NiMH packs to a 2S block pack. This
version comes with a Dynamite® 3300 mAh 8.4V 7-cell Speedpack® 2 Hump
NiMH battery that provides 35% more run time compared to the 2400mAh
pack of its predecessor.