Weaver Chain Drive Replacement Kit

$ 39.99

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 O Scale locomotives. 

Easily replace the drooping plastic 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 with a fiberglass lower section for electrical isolation, adjustable height tower for the perfect chain tension, an additional 2.5 to 1 gear reduction for better low speed running, ball bearing supported drive shafts for smoother operation, and threaded drive shafts that eliminate gear cracking and allows for horizontal backlash adjustment... no more C clips!

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 in pairs.

Kit includes everything you need:

  • 1 - Insulated lower tower
  • 1 - Aluminum upper tower
  • 2 - Drive shaft bearing
  • 1 - Drive shafts 1/8"
  • 1 - Shaft spacer
  • 1 - Lock nut
  • 1 - 8 tooth upper gear
  • 1 - 20 tooth lower gear (modified to fit lower axle)
  • 1 - Length of chain with 36 links.

Kits sold in pairs include 2 of everything listed above.