



At the top of every Athearn gear tower, the worm transfers motor torque to the axles. These genuine replacement parts let you rebuild the drive of a worn or noisy Athearn HO locomotive.
The square bearing and the housing replace cracked or lost parts on classic chassis; the brass worm and shaft are made for Genesis locomotives; the complete high-performance assembly fits current drives.
Features
- Worm drive parts — HO scale
- Square bearing (12-pack), housing (12-pack), Genesis brass worm and shaft (6-pack) or high-performance worm gear assembly (single)
- Genuine Athearn replacement parts (items ATH40052, ATH40053, ATHG40063 and ATH34128)
At the top of every Athearn gear tower, the worm transfers motor torque to the axles. These genuine replacement parts let you rebuild the drive of a worn or noisy Athearn HO locomotive.
The square bearing and the housing replace cracked or lost parts on classic chassis; the brass worm and shaft are made for Genesis locomotives; the complete high-performance assembly fits current drives.
Features
- Worm drive parts — HO scale
- Square bearing (12-pack), housing (12-pack), Genesis brass worm and shaft (6-pack) or high-performance worm gear assembly (single)
- Genuine Athearn replacement parts (items ATH40052, ATH40053, ATHG40063 and ATH34128)