A-Line Products (40005) | Athearn Replacement Axle Gears (Pkg of 6) | HO Scale

If your locomotive is grinding, slipping, or just not pulling like it used to, there’s a good chance worn axle gears are the culprit.

This replacement axle gear set is a simple, cost-effective way to bring your drivetrain back to life—restoring smooth, reliable performance without replacing the entire truck.

• Fix common drivetrain issues – eliminates slipping, clicking, or uneven motion
• Restore smooth operation – get your locomotive running like it should again
• Cost-effective repair – replace the problem, not the whole assembly
• Keep spares on hand – because worn gears are only a matter of time

Let’s be honest—every well-run locomotive eventually gets here. The good news? It’s an easy fix.

Get your power back on the rails without breaking the bank.

⚠️ Note: Please confirm compatibility with your specific model before purchasing.