INJORA CNC Aluminum Complete Transmission with 180 Brushed Motor 48T for 1/18 RC Crawler TRX4M Upgrade
Features:

Motor waterproof rating: IPX6 (It can run in the rain, or run underwater for a while.)
CNC aluminum machined transmission housing
Includes transmission gears and ball bearings
Greased
Compatible with stock and aftermarket skid plates
Extremely high-strength neodymium magnets
Stronger drag brake and torque delivery than stock motors
Pinion and wiring are installed for placement into TRX4M

Transmission Specifications:

Internal Gears:

180 Motor Specifications:

Package List:
1 * Complete Transmission 4M-55
1 * Brushed Motor INM11-48T