◾Maxx, Ready-To-Race® model with Traxxas 540XL brushless motor. A 3-cell 11.1V LiPo battery will operate the vehicle with reduced performance.NiMH batteries are not supported. Four AA alkaline batteries for the transmitter.
Traxxas 2085X Servo Digital High-Torque Metal Gear For X-Maxx/ XRT/ Maxx
#5382X Differential Gear Set - TRAXXAS Revo Summit T-Maxx E-Maxx Steel New