Firma Brushless Motor/Esc 1400Kv (SPMXSEM1040A)

The Firma Sensored 2-in-1 Brushless Crawler Motor/ESC is a compact, all-in-one motor and speed controller designed for 1/10-scale crawlers and scalers. The 1400Kv low-speed variant delivers precise, controlled slow-speed performance for technical trails and steep angles, while the integrated design keeps wiring tidy and makes for an easy drop-in upgrade—roughly the size of a 550 can motor. The unit is fully waterproof, letting it perform through mud, sand, and water with less worry.

Developed by Spektrum engineers in partnership with the industry’s leading brushless motor and ESC manufacturer, the system combines pro-level drag braking with field-oriented control for highly responsive throttle at any speed. It includes an integrated 40A ESC (with 160A burst) and supports 2-3S LiPo or 6-9 NiMH packs, with an adjustable high-power BEC (6V or 7.4V). Fully programmable via the Spektrum ESC Programmer Box (sold separately), the setup is compact, solder-free, and designed to fit most 1/10-scale crawlers while resisting the elements thanks to its waterproof design.