Bachmann Spectrum 4‑6‑2 K4 Axle Gear – HO Scale Replacement This Bachmann spectrum k4 axle gear is a direct replacement for the original drive gear used in Bachmann’s HO scale K4 Pacific locomotives. The factory gear is known to crack with age, causing slipping, clicking, or complete loss of drive. Installing this precision‑printed replacement restores proper torque transfer and smooth running performance. Features Direct replacement for Bachmann Spectrum K4 (HO) Precision‑printed for accurate tooth alignment Durable resin construction resists cracking Restores smooth, quiet drivetrain operation Tight‑fit axle bore for long‑term reliability Compatibility ✔ Bachmann Spectrum 4‑6‑2 K4 (HO Scale) ✔…
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