ARRMA 1/10 KRATON 4X4 4S V2 BLX Speed Monster Truck RTR (Green)
ARRMA 1/10 KRATON 4X4 4S V2 BLX Speed Monster Truck RTR (Green)

ARRMA 1/10 KRATON 4X4 4S V2 BLX Speed Monster Truck RTR (Green)

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Your Price: $469.99
Part Number: ARA4408V2T4
GTIN: 5052127047111
Brand: ARRMA
Availability: In Stock.

The original ARRMA® KRATON® 4X4 4S BLX Speed Monster Truck provided the perfect middle ground between the agile 3S BLX vehicles and bigger, more powerful 6S BLX machines. It delivered affordable performance for brushed bashers looking to upgrade and for any driver wanting ARRMA® toughness and speed.

This new version marks the next evolution of the capable ARRMA® 4X4 4S platform — longer, wider, and tougher than the previous chassis for even greater stability and control. It also includes a full package of Spektrum radio electronics and is the first ARRMA® 4X4 to come equipped with a Spektrum 4S brushless power system.

The footprint of this KRATON® 4X4 4S BLX Speed Monster Truck is 16% larger than the previous model, with higher shock towers, longer shocks, and wider suspension arms for longer, more plush suspension travel. The strength of the transmission has been bolstered with the inclusion of steel gearbox input gears, steel main diff gears and CVD Driveshafts. Upgrades are joined by proven features from before that deliver unstoppable performance in environments ranging from off-road, dirt, and grass to parking lots, paved and asphalt surfaces. These include a strong composite chassis and retained hinge pin plates; protective skid plates in front and rear; steering with more clearance for stones; a castellated slipper pad and sliding gear mesh; and rubber-shielded bearings throughout. The KRATON® 4X4 4S BLX also incorporates the signature ARRMA® easy-access modular design to make routine maintenance fast and simple.

Made of high-quality rubber, the dBoots® Copperhead 2 LP tires offer an aggressive, chunky tread pattern for excellent traction on a wide range of surfaces. They're also vented to disperse water for improved durability. The truck body has a tough, injection-molded rear wing and comes factory-finished in your choice of two exciting colors. Front and rear bumpers protect against impacts and a wheelie bar with rubber tires provides stunt potential.

Completing the ready-to-run package are a Spektrum SLT3 2.4GHz radio with SR315 receiver and a stronger, faster Spektrum S652 digital servo. Add your choice of battery, charger, and "AA" transmitter batteries and bash with the best!


  • 16% Larger footprint – longer and wider than the previous KRATON® 4X4 4S platform for added stability
  • Tough new suspension arms that increase vehicle width
  • Durable steel 1.35 module main diff gears and input gears in the front and rear gearboxes
  • Strong CVD telescopic driveshafts front and rear
  • Higher shock towers, longer shocks and wider suspension arms for longer, more plush suspension travel
  • Aluminum big bore shocks included as standard
  • CNC machined, red anodized 17mm wheel hubs
  • Steel slipper hub strengthening ring
  • Spektrum Firma 120A brushless ESC and 3668 2400Kv motor
  • Spektrum 2.4GHz SLT3 transmitter and SR315 receiver
  • Spektrum S652 Steel Metal-Geared, waterproof digital servo with 232 oz-in of torque
  • Sway bars fitted front and rear for improved cornering dynamics
  • Wheelie bar with rubber tires
  • Low-profile dBoots® Copperhead 2 LP tires with vents to disperse water for improved durability

Product Weight9.26lbs (4.2kg)
Vehicle TypeMonster Truck
BrakesIntegral with ESC
BatterySold Separately
Internal Gear Ratio2.85
Motor Size3668-2400Kv
Product Length21.54" (547 mm)
Spur Gear57T
Final Drive Ratio12.48
Motor TypeBrushless - Sensorless
Rear Track17.72" (450mm)
Speed ControlIncluded
Wheelbase13.98" (355 mm)
Approximate Assembly TimeNo assembly required
BodyPainted, decalled and trimmed
Power TypeElectric
Gear Pitch0.8m
Front Track17.72" (450mm)
Power System4S
Product Width17.72" (450 mm)
Technology Smart
Ball BearingsFull set, rubber shielded
ChassisMolded composite
Completion LevelReady-To-Run
Drive TypeForward/Brake/Reverse
Product Height8.11" (206 mm)
Top Speed55+
Wheel Hex Size17mm
ChargerSold Separately
Differential2 Gear Diffs
Max Battery Dimensions6.14x2.01x1.89 in (156x51x48 mm)
Shock TypeAluminum body, coil-over springs

In The Box:
  • (1) ARRMA® KRATON® 4X4 4S BLX 1/10 Scale 4WD Speed Monster Truck RTR
  • (1) Spektrum™ Firma™ 120A Smart Waterproof ESC
  • (1) Spektrum™ Firma™ 3668 2400Kv Brushless Motor
  • (1) Spektrum™ 2.4GHz SLT3™ 3-Channel Transmitter
  • (1) Spektrum™ SR315 Dual Protocol Receiver
  • (1) Spektrum™ SPMS652 Metal-Geared Digital Servo
  • (1) 23T Spline Servo Saver
  • (1) Product Manual
Needed To Complete:
  • (1) 3S or 4S LiPo Battery with EC5™ or IC5® connector
  • (1) Compatible Battery Charger
  • (4) AA batteries for Transmitter
  • *Maximum battery dimensions 6.14x2.01x1.89 in (156x51x48mm). Minimum battery specs 5000mAh 35C.


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