Tenshodo / Hanazono 28.7mm Wheelbase with 10.5mm Disc Wheels, 12volt DC Motor Power Bogie Drive Unit (SPUD).
Tenshodo / Hanazono 12volt DC motor-bogie.
SPUD
Wheelbase 28.7mm 10.5mm Disc Wheels Self-contained motor bogie with motor included. Complete with mounting bracket, side frame bracket and screws.