Non-Idler: 0.3 module 28:1, Idler 0.3 module, 28:1, Compound 0.3 module, 50:1,
All gearboxes are: acetal Case, steel worm, brass and acetal gears.
Minimum driver dia 13.4mm, 9.6mm if cover trimmed.
Gearboxes for 1/8″ and 3/32″ (2.4mm) axles can be imported to order.
Also available are O gauge, 0.5 module for 3/16″, 1/4″, 5.8mm and 6.0mm axles, these can be imported to order. 12.5:1 ratio and ball bearing worm shaft versions are also available.