The Traxxas X-Maxx 8S 4WD Brushless RTR Monster Truck brings the same unrelenting 4X4 power, mammoth size and award-winning innovation to the game that make X-Maxx the ultimate monster truck. When you add 30+ volts of extreme 8s power, X-Maxx 8S defies physics, unleashing jaw-dropping acceleration and 50+mph speeds. Engineered to conquer the most extreme terrain and take brutal real-world punishment in stride, X-Maxx is the definition of Traxxas Tough™. Traxxas engineers tossed conventional thinking out the window to bring loyal X-Maxx owners the most powerful Traxxas Monster ever developed. X-Maxx 8s is packed with 8s rated components engineered to handle the brutal torque and incredible speed. The Torque-Biasing Center Drive unit distributes the power for maximum wheels-up punch and unrelenting acceleration. Full steel-gear driveline, larger driveshafts, larger main bearings, strengthened bulkhead, heavy-duty ring and pinion gears, dual-fan motor cooling and more make this X-Maxx the ultimate monster.