These steel gearboxes provide extended durability not only over the plastic gears but also over the traditional Heng Long cast/zinc alloy metal gearboxes.

Please note: This gearbox features a low/high motor configuration and will suit:

• M4A3 Sherman
• Russian T-34/85

Includes snap on plastic gear covers as pictured (removable)
Connector Type: 6.0/7.0 (bullet style) connectors