This 19‑tooth replacement gear fits the Bachmann N Scale 4‑8‑4 Northern locomotive and fixes the common cracked‑gear issue that causes slipping, clicking, or loss of drive. This is the standard version, matching the original Bachmann gear dimensions.
Fits Bachmann N Scale 4‑8‑4 Northern
19‑tooth precision‑printed gear
Direct replacement for the original
Restores smooth, quiet operation
Durable material resists cracking
Clean, accurate tooth alignment
Clicking or ticking noises
Wheels not turning while motor spins
Jerky or uneven movement
Complete loss of drive
A tiny amount of polishing or reaming may be needed depending on axle tolerance. Normal for N scale repairs.