

The heart of the locomotive: this Athearn replacement motor, supplied with both flywheels, revives a locomotive whose original motor has given up, or swaps an old noisy motor for a modern, quiet drive.
The Genesis version is the original motor of Genesis locomotives; the DCC-compatible high-performance version equips current Ready-to-Roll locomotives and suits conversions of older Athearn “Blue Box” chassis. Flywheels are factory mounted, ready for the dogbones.
Features
- Motor with flywheels — HO scale, single
- Genesis version (63842) or DCC-compatible high-performance version for RTR (84086)
- Genuine Athearn replacement part
The heart of the locomotive: this Athearn replacement motor, supplied with both flywheels, revives a locomotive whose original motor has given up, or swaps an old noisy motor for a modern, quiet drive.
The Genesis version is the original motor of Genesis locomotives; the DCC-compatible high-performance version equips current Ready-to-Roll locomotives and suits conversions of older Athearn “Blue Box” chassis. Flywheels are factory mounted, ready for the dogbones.
Features
- Motor with flywheels — HO scale, single
- Genesis version (63842) or DCC-compatible high-performance version for RTR (84086)
- Genuine Athearn replacement part