The KRATON 4S BLX RTR offers ARRMA speed and strength in the ideal size for any monster truck basher — with a center diff for the ultimate grip, an updated Spektrum brushless system for more punch, added dirt protection, and two fresh color choices.
Improved traction from an aluminum-cased center differential
Updated 4S LiPo capable Spektrum brushless power system
Additional dirt protection for even more toughness
Updated chassis with center diff module, hinge pin bracing, and dirt drain
Higher torque Spektrum S662 metal-geared digital servo with alloy case center

In The Box
(1) ARRMA KRATON 4S BLX 4WD 1/10 Scale Speed Monster Truck RTR
(1) Spektrum Firma 120A V2 Smart Waterproof* ESC
(1) Spektrum Firma 3668 2400Kv Brushless Motor
(1) Spektrum S662 Metal-Geared Waterproof* Digital Servo
(1) Spektrum 2.4GHz SLT3 Transmitter & SR315 Receiver
(4) AA Batteries
(1) Instruction Manual
*For details on waterproof standards, please refer to the instruction manuals.
Needed to Complete
(2) 2S, (1) 3S, or (1) 4S Hardcase LiPo Battery
(1) Compatible Charger