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Bring your Bachmann HO Scale GS4 4-8-4 back to life with this complete Generation 2 replacement axle and gear kit. Designed specifically for the square-hole version of the GS4, this kit replaces the commonly cracked drive gears and split axles that can leave your locomotive sidelined.
Precision 3D printed from durable, high-strength resin, these replacement parts are engineered to provide a reliable solution while offering improved durability over the original factory components. Whether you\'re restoring a favorite locomotive or keeping a prized model operating smoothly, this kit provides the essential parts needed to get back on the rails.
Features:
• Compatible with Bachmann HO Scale GS4 4-8-4 Generation 2 locomotives
• Designed for square-hole wheel versions only
• Helps replace cracked drive gears and split axles
• Precision 3D printed using durable resin material
• Includes spare parts for future maintenance
• Ideal for locomotive repairs and restorations
Package Includes:
• 4 Standard Drive Axles (3 required + 1 spare)
• 2 Drive Gears (1 required + 1 spare)
Compatibility Notice:
This kit fits Bachmann HO Scale GS4 4-8-4 Generation 2 locomotives equipped with square axle holes. Please verify your locomotive uses square-hole wheels before purchasing. If your locomotive has round axle holes, this kit will not fit.
Please note: Listing is for replacement gears and axles only
