This is for a heavy weight crawler that need a counter balance output to compensate for a wight shift

front bulkhead

The Merrimac scale is 1/300 and the Monitor is 1/210 scale

5 Pucks 1:10

as well as a fully-powered 5V

Tamiya - TT-02 Cup Joint for Universal Shaft GMA57000 This is for a heavyThese gearbox joints are used when the TT 02 chassis is fitted with Item 53792 Assembly Universal Shaft (TT 01, TA04). Steel components help cut power loss and allow for smooth motion. Compatible Chassis: TT 02*1, TT 02 Type S, TT 02B*2 & TT 02D*1 Chassis *1: Use with Item 53792 Assembly Universal Shaft (TT 01, TA04). *2: Use with Item 53791 DF 02 Assembly Universal Shaft.