Arrma 1/10 Kraton 4x4 4S BLX Monster Truck RTR Black ARA102690

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  • Arrma 1/10 Kraton 4x4 4S BLX Monster Truck RTR Black ARA102690
  • Arrma 1/10 Kraton 4x4 4S BLX Monster Truck RTR Black ARA102690
  • Arrma 1/10 Kraton 4x4 4S BLX Monster Truck RTR Black ARA102690
  • Arrma 1/10 Kraton 4x4 4S BLX Monster Truck RTR Black ARA102690
  • Arrma 1/10 Kraton 4x4 4S BLX Monster Truck RTR Black ARA102690
  • Arrma 1/10 Kraton 4x4 4S BLX Monster Truck RTR Black ARA102690
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Vehicle Type:
Monster Truck
Build Type:
Ready to Run
Power Type:
Electric Power
Skill Level:
Skill Level 1
Free Shipping:
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Fits Model:
Arrma Kraton 4x4 4S BLX


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This is the Arrma Kraton 4x4 4S BLX 1/10 Scale Brushless Electric Powered Ready-To-Run Monster Truck in Black. ARRMA created the KRATON 6S BLX for monster speed and fun. Now comes the KRATON 4X4 4S BLX – smaller but still intimidating, and capable of 50+ mph speed. If you're looking to level up from brushed power or just want a new ARRMA experience, unleash the KRATON!

Powered by the BLX120 brushless system, the KRATON 4X4 4S BLX is unstoppable on trails, race tracks, and muddy courses. Its 2400Kv brushless motor is matched to an ESC with dual EC5 connectors for using two 2S LiPo batteries. Differential gears inside the front and rear gearboxes are made of durable metal. To develop the chassis, ARRMA engineers started with the proven 4X4 3S platform. They stretched the track width by widening the suspension and drive shafts, and added a center brace along the length of the chassis for maximum durability (it can be removed in just four quick steps when it's time to perform maintenance). The molded 16mm Big Bore shocks include top-loading springs and molded-in shock rod ends to prevent spring loss.

The body has the same aggressive styling as that of the KRATON 6S BLX, with a smaller version of its rear wing. There are also many subtle tweaks that give the KRATON 4X4 4S BLX a personality all its own. Large, tough wheels hubs and durable 17mm wheel hexes hold standard 3.8" wheels, outfitted with low-profile MINOKAWA LP tires. Included with the ready-to-run package is a Spektrum STX2 2.4GHz radio with SRX200 waterproof receiver and an ARRMA ADS-15M metal gear servo. Just add your choice of battery, charger, and "AA" transmitter batteries – and start unleashing ARRMA monster speed and performance in a whole new size.

1x ARRMA KRATON 4x4 4S BLX Vehicle with
1x Spektrum SRX200 Waterproof Receiver (installed)
1x ARRMA ADS-15M Metal Gear Servo (installed)
1x ARRMA 4S-capable BLX120 Electronic Speed Control (installed)
1x ARRMA 4S-capable BLX3668 Brushless Motor (installed)
1x Spektrum STX2 Transmitter
1x Product Manual

1x 3S/4S or (2) 2S LiPo battery setup
1x Appropriate LiPo balancing charger
4x AA batteries for transmitter


  • ARRMA speed and toughness
  • 4S-capable BLX120 Brushless Power System for 50+ mph speed
  • Performance approaching the KRATON 6S BLX in a smaller, yet still beast-like setup
  • Spektrum STX2 2.4GHz Radio System
    • Precision steering wheel, perfect control in all conditions
    • Easily adjustable trim dials for personalized handling set-up
    • Lightweight and ergonomic design for long bashing sessions
    • Fully waterproof and dustproof ARRMA radio box *
    • 2 channel radio system
    • 2.4GHz technology
  • 2-Channel SRX200 waterproof receiver
  • Built-in 3-position throttle limiter
  • Extended range and interference-free performance
  • Throttle/steering reversing
  • Throttle/steering travel adjust
  • Throttle limiting
  • ADS-15M waterproof metal-gear high-torque servo
    • Strong metal gears used throughout
    • Waterproof and dustproof case *
    • 25 tooth output spline
    • Torque: 195 oz-in (14 kg-cm) @6V
    • Speed: 0.16sec/60degree @6V
    • Dimensions: 40x38x20mm (Industry standard size)
  • 2400Kv brushless motor with large heatsink
    • 2400kV brushless motor
    • 4S LiPo ready (2S, 3S and 4S hardcase LiPo compatible)
    • Beautifully etched aluminium can
    • 4-pole construction for smooth and consistent power
    • Gold 4mm bullet connectors for reliable and efficient connection to ESC
    • Finned motor can for increased heat dissipation
    • Super strong 5mm shaft
  • BLX120 ESC with dual EC5 battery connectors for two 2S LiPo packs
    • Waterproof and dust proof design
    • 120A, 4S LiPo ready (2 x 2S, 3S and 4S hardcase LiPo compatible)
    • Fitted with reliable EC5™ battery connector
    • Integrated fan for reduced heat during extreme running
    • Gold 4mm bullet connector for motor wires
    • Low voltage cut off and thermal overload protection
    • User programmable punch and brake settings
  • Lengthened suspension arms and driveshaft for wider track than 3S BLX vehicles
  • Center chassis brace for maximum durability
  • Metal spur gear and castellated slipper pads
  • Enlarged front and rear hubs for added strength
  • Durable 17mm aluminum hexes
  • 16mm big bore shocks with molded-in shock rod end and top-loading spring
  • Front and rear gearboxes with metal internal differential gears
  • New wing, wing mounts, and bumpers
  • New body mounts
  • Low-profile MINOKAWA tires
  • ADS-15M metal gear servo
  • 2-year limited warranty


Approximate Assembly Time: No assembly required
Ball Bearings: Full set
Batteries: One 3S, two 2S or one 4S hardcase LiPo battery (sold separately)
Body: Molded polycarbonate, trimmed and painted with decals applied
Bushing Material: Metal
Charger: Compatible with selected LiPo battery (sold separately)
Chassis: Molded composite
Completion Level: Ready-To-Run
Differential: Oil-filled metal gear
Drivetrain: 4WD
Final Drive Ratio: 12.48
Front Shock Spring Rate: 0.8N/mm
Gear Pitch: 0.8 Module
Ground Clearance: 2.28" (58mm)
Height: 7.56" (192mm)
Internal Gear Ratio: 2.85:1
Length: 20.79" (528mm)
Max Battery Dimensions: 6.50 x 2.01 x 1.89" (165 x 51 x 48mm)
Motor Size: 3668
Motor Type: Non-sensored brushless, 2400Kv
Pinion: 13T
Radio: Spektrum STX2 2-channel included
Rear Shock Spring Rate: 0.7N/mm
Servos: Metal gear steering servo
Shock Type: Oil-filled, coil over spring
Size/Scale: 1/10
Speed Control: BLX120 w/dual EC5 battery connectors for two 2S LiPo packs
Spur Gear: 57T
Suspension: Independent
Tire Diameter: 6.1" (155mm)
Tire Tread: dBoots Minokawa LP
Vehicle Type: Monster Truck
Water-Resistant: Yes
Weight: 7.99 lbs (3.63 kg)
Wheel Diameter: 3.82" (97mm)
Wheel Hex Size: 17mm Hex
Wheel Type: MT
Wheelbase: 12.87" (327mm)
Width: 15.55" (395mm)

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