Overview: This Dynamite® brushed crawler motor/ESC combo offers price sensitive enthusiasts the perfect arrangement for their crawlers. Additionally, the system is a great completion item for both kits and rollers. The combo includes a powerful, rebuildable 540 size 35 turn motor and a waterproof, NiMH/LiPo compatible, brushed ESC offering forward/brake/reverse, forward/brake and crawler drive modes. Additionally, it features "On the Fly" adjustable drag brakes with specific 3 channel radios. Its compatibility makes it an ideal replacement ESC or the perfect upgrade to your current non-LiPo, non-waterproof, or limited motor spec ESC. As with all Dynamite power systems, motors and ESC's are available separately. Component Specifications: Motor: Motor dimensions::  36mm dia x 53mm L Shaft dimensions::  1/8”/3.12mm x 12.5mm Input voltage limit::  2S-3S LiPo/6-9cell NiMH Bearings/Bushings::  Ball bearings ESC: Input Voltage::  2-3S LiPo, 6-9 Cells NiMH/NiCd Size::  46.5x34x28.5mm Weight::  68g Motor Limit::  >12T 2S/>18T 3S On-Resistance FET::  .002 Continuous current::  40A Rated/Peak Current::  180A Braking Current::  90A BEC Voltage::  6.0V 3.0A Peak Connector::  IC3 PWM Frequency::  1KHz