Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio

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Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
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The Arrma Granite 2S 4x4 V3 550 Mega RTR Monster Truck comes out of the box ready to bash in any terrain. This version features equipment that further increases the original monster truck’s already impressive performance and durability.

The GRANITE 4X4 MEGA RTR Monster Truck is DESIGNED FAST, DESIGNED TOUGH — built for exciting bashing speeds and extreme, all-terrain durability. 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 monster truck now also includes the Spektrum SLT3 transmitter and SLR300 receiver. The transmitter is ergonomically designed for long periods of fatigue-free bashing 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 GRANITE 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 bashing.

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 GRANITE 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. Shock-absorbing loops keep the front and rear bumpers secured to the chassis, offering defense against heavy impacts.

Tough, multi-spoke black MT wheels with dBoots Fortress MT tires give the GRANITE 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.

  • 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
  • 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™ MT tires
  • Tough multi-spoke black MT 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
Ball Bearings: Transmission
Battery: Included
Body: Painted, decalled and trimmed
Charger: Included
Chassis: Molded Composite
Completion Level: Ready-To-Run
Differential: 2 Gear Diffs
Drivetrain: 4WD
Final Drive Ratio: 18.5
Front Track: 13.46 in (342mm)
Power Type: Electric
Gear Pitch: 48-pitch
Ground Clearance: 1.85 in (47mm)
Internal Gear Ratio: 2.85
Motor Type: Brushed
Pinion: 14T
Product Height: 8.11" (206 mm)
Product Length: 17.76" (451 mm)
Product Weight: 6.69lbs (3035g)
Product Width: 13.46" (342 mm)
Radio: Included
Rear Track: 13.46 in (342mm)
Receiver: Included
Scale: 1/10
Servos: Included
Shock Type: Oil-Filled, Coil-Over Springs
Spur Gear: 91T
Suspension: Independent
Track: 13.46 in (342mm)
Vehicle Type: Monster Truck
Water-Resistant: Yes
Wheelbase: 11.3 in (287mm)

  • (1) ARRMA® GRANITE™ 4X4 MEGA 550 1/10 Scale 4WD Electric Monster Truck RTR
  • (1) MEGA Waterproof* ESC
  • (1) MEGA 12T Brushed 550 Motor
  • (1) Spektrum™ 2.4GHz SLT3™ 3-Channel Transmitter
  • (1) Spektrum™ SLR300 Receiver
  • (1) Spektrum™ Waterproof* SPMS650 Digital Servo
  • (1) Dynamite® 3300mAh 8.4V 7-Cell Speedpack® 2 Hump NiMH Battery
  • (1) ADC-N7 7-Cell NiMH Wall Charger
  • (1) Product Manual
Needed to Complete:
  • (4) AA Batteries
*NOTE: For details on waterproof standards, refer to the instruction manual.

This product was added to our catalog on September 24, 2020

Armando Matute III
Verified Owner
Tuesday, Mar 14 2023 (9 months ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
I got this to compete with my grandpas traxxas stampede and we drive on the weekends. Very fun rc car. Is really simple on how to change the motor. I already upgraded mine to brushless. Nice touch of waterproof electronics. Only down thing is that the plastic piece to holed the wire down snapped but isnt really a big deal since the battery wire isnt super long to point of being in the way.
Matthew Brown
Verified Owner
Tuesday, Dec 5 2023 (4 days ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
Excellent RC vehicle for the beginner in the RC Hobby, it will provide plenty of power and speed for anyone interested in giving RC a try. Excellent price point and already assembled just put batteries in the radio and charge the battery for the for the truck and you’re ready to go. Truck is good to drive on flat ground or go over jumps with, excellent vehicle and highly recommend for the young or RC beginner!
Todd Ryan
Verified Owner
Sunday, Jun 11 2023 (6 months ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
I bought the Granite for my 9 year old son as a starter RC truck. It's perfect right out of the box. The Granite is incredibly tough for a truck at this price point and loads of fun. This is the first Arrma that I've purchased and I have to say that I am thouroughly impressed with the build quality and attention to detail put into it. My son especially loved the body (we got the blue one) and all the detail it has. I would highly recommend this vehicle to anyone looking for a first, or 100th rc vehicle. It's awesome and ready to be upgraded into whatever you want.
Verified Owner
Saturday, May 27 2023 (6 months ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
So far seems like a stout truck! Handles jumps well. Haven’t run on lipo yet just the nihm it came with. Charger it comes with is pretty slow but I expected that.
michael horvath
Verified Owner
Wednesday, Mar 30 2022 (about a year ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
Good truck so far, running 2s lipos.
Before those showed up used the included battery and wall charger.
The wall charger is as to be expected.
With the lipo this truck wakes up quite a bit, good value for my young son to start on.
Douglas Andrews
Sunday, Jan 16 2022 (about a year ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
Bought this as my first RC Truck as a Birthday gift to me. I’ve always wanted one of these for many years now. It’s a fun beginner RTR Truck.
Wish the factory battery would last longer. Oh well I plan on trying to do some upgrades to the truck myself it will be fun.
Cory Pannebecker
Verified Owner
Friday, Oct 15 2021 (about 2 years ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
It's okay...on the slow side, just pay the extra 100 bucks and get the brushless one. Good truck for a young child.
Anthony Barbee
Sunday, Sep 19 2021 (about 2 years ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
Just re-writing, my review. Its a good reliable vehicle for beginners as long as you don't hit anything hard. I've only had to replace a shock, the wheel fell off too and I had to put it back on, and put some rubber on the front bumper to make it stop knocking the motor loose on impact. It's a great beginner and or kid car overall.
Wednesday, Jun 16 2021 (about 2 years ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
Motor died after the first 3 days of use. Prior to that it ran and handled great, and I would have given it 5 stars. Replaced motor and ESC with Firma and it's been the truck it should have been and a lot more.

Motor did get warranty replaced by Arrma after a bit of email back and forth.
Zak Harpley
Saturday, Oct 10 2020 (about 3 years ago)
Arrma Granite 4x4 V3 550 Mega RTR Monster Truck (Blue) w/Spektrum SLT3 2.4GHz Radio
A good rc truck for the price, the only issue i have is that the esc gets hot after about 15 minutes of use and cuts out. But other than that I love the power setting on the remote and the steering is strong and responsive.