A broken tooth or a split gear and the locomotive starts to skip: these genuine Athearn replacement gears put the gear towers of your HO locomotives back in order.
The 16- and 23-tooth idler gears relay motion between the worm and the axles in Athearn trucks; the drive axle gear, here for the SD40-2, mounts directly on the axle. Pick the part for the tower you are rebuilding.
Features
- Replacement drive gears — HO scale
- 16-tooth idler gear (6-pack), 23-tooth idler gear (4-pack) or SD40-2 drive axle gear (6-pack)
- Genuine Athearn replacement parts (items ATH41020, ATH40030 and ATH60024)
A broken tooth or a split gear and the locomotive starts to skip: these genuine Athearn replacement gears put the gear towers of your HO locomotives back in order.
The 16- and 23-tooth idler gears relay motion between the worm and the axles in Athearn trucks; the drive axle gear, here for the SD40-2, mounts directly on the axle. Pick the part for the tower you are rebuilding.
Features
- Replacement drive gears — HO scale
- 16-tooth idler gear (6-pack), 23-tooth idler gear (4-pack) or SD40-2 drive axle gear (6-pack)
- Genuine Athearn replacement parts (items ATH41020, ATH40030 and ATH60024)