Arrma Big Rock 1/10 3S BLX V3 Monster Truck Black

£340.00 £424.99 Save £84.99

Tax included

  • 50+mph top speed
  • BLX100 2S/3S ESC
  • Waterproof* electronics
  • IC5™ connectors (EC5™) compatible

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In stock PART #ARA4312V3
includes free uk delivery
A great step-up from brushed bashing, the 1/10 scale ARRMA® BIG ROCK™ CREW CAB 4X4 3S BLX ready-to-run monster truck delivers a thrilling combination of ARRMA® toughness, street truck style and 50+ mph speed capability. Built on the powerful 4X4 BLX platform, its precision aluminium, tough steel and composite materials come together for an easy-to-maintain, super-durable vehicle design that’s now been upgraded to further increase the monster truck’s impressive performance and durability.

The BIG ROCK™ 4X4 3S BLX is DESIGNED FAST, DESIGNED TOUGH — built for exciting bashing speeds and extreme, all-terrain durability. New features that 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; longer suspension arms for a 1.10 inch increase in width; and rubber-shielded bearings throughout. 

It also now includes a 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.



  • BLX100 2S/3S waterproof* ESC
  • Spektrum™ Firma™ 3200Kv brushless motor with Safe D pinion and ARRMA heatsink and cooling fan
  • Spektrum 3-Channel SLT3 2.4GHz radio and SLR300 Waterproof* Receiver
  • Waterproof* Spektrum™ SPMS651 metal-geared digital servo
  • 50+ MPH (80+ km/h) speed achievable in optimum driving conditions on 3S LiPo
  • Full-time 4WD transmission
  • IC5™ connectors (EC5™) compatible
  • Power Module with sliding gear mesh and improved dirt management
  • Tough black multi-spoke sealed wheels with matte black finish
  • Vented multi-terrain dBoots® RAGNAROK™ tyres
  • Signature easy-access modular design
  • Metal-geared differentials
  • Adjustable ride height, body mounts and turnbuckles
  • Plastic locknut for slipper
  • 23T Spline servo saver
  • 37T 1.35Mod diffs with silicone O-rings
  • Oil-filled shocks with silicone O-rings
  • Wider arms front and rear
  • Body with matte black finish
  • Front and rear bumpers with matte black finish
  • Double wishbone suspension front and rear
  • High-speed centre driveshaft support
  • Proven tough composite shock towers
  • Wheelie Bar

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


  • Scale: 1/10
  • Motor type: Brushless - Sensorless
  • Weight: 2835g
  • Height: 201mm
  • Length: 514mm
  • Width: 356mm


In the Box: 

  • Arrma Big Rock 1/10 3S BLX V3 Monster Truck
  • Radio Gear


Required to Run: 

  • 1x 2S LiPo or 3S Hardcase LiPo Battery with IC5 Connector 
  • Compatible charger
  • 4x AA batteries for controller