This is the Axial 55T Rock Crawler Electric Motor.
Equip or upgrade the Axial AX10 RTR or other rock crawlers for more
low end pull and slower speed while crawling than stock 27 turn
motors
Preinstalled bullet connectors, no soldering required
Axial 55T Rock Crawler Electric Motor with bullet connectors
Compatible speed control for rock crawler motors
Shaft diameter: 3.2mm (0.12")
Shaft length: 12.5mm (0.49")
Can diameter: 36mm (1.4")
Can length: 50.75 (2")
Weight: 164g (5.8oz)
Mounting Pattern: 25mm (0.98")
Wire length: 115mm (4.5")
Input Voltage: 4+ cells (12VDC) max