Weaver Chain Drive Replacement Kit V3

$ 47.99 $ 58.99

Version 3 of this kit now available.

Lower production costs for version 3 is passed on to you, the customer, with no compromise in performance over previous versions of the drive.

Version 3 features 3D printed plastic tower parts made from PETG extruded plastic, a high strength structural plastic that provides significant chemical resistance, durability, and excellent form-ability for manufacturing

Like previous version, this kit can significantly improve low speed operation of any locomotive utilizing the popular Weaver chain drive.

Designed as a drop-in replacement for O Scale chain driven locomotives such as the Red Caboose GP9, Weaver driven GP35, Weaver driven F units, and many other popular O Scale locomotives that utilize the Weaver chain drive. 

Easily replace the stock non adjustable drive tower with this two piece adjustable tower and enjoy smooth, quite operation with the added benefit of a 2.5 to 1 gear reduction.

Featuring a two piece design for electrical isolation, adjustable height tower for the perfect chain tension, an additional 2.5 to 1 gear reduction for better low speed running, and ball bearing supported drive shafts for smoother operation.

  • Duel tower kit is a drop-in replacement for the O Scale Red Caboose GP9 locomotives.
  • Single or duel tower kits are available as a drop-in replacement for other O Scale Weaver chain driven locomotives such as the GP35 and F units.

Kit includes:

  • Insulated lower mount
  • Upper bearing support
  • Drive shaft bearings
  • Drive shaft spacers
  • 9 tooth upper gear (fits the stock drive shaft)
  • 20 tooth lower gear (fits the stock lower axle)
  • Extra lengths of chain

The perfect drop-in solution for re-gearing your Red Caboose GP9 or other chain driven locomotives.

Fits both plastic and brass trucks.

Red Caboose GP9 running on glass (dead rail)

Max's video of his converted GP38

Pete M's video of a GP9 and F Unit with Finescale Drives.

Available in single and pairs.