Athearn ATHG16105 HO F-Unit B Mechanism, SP Gray

Athearn ATHG16105 HO F-Unit B Mechanism, SP Gray

This genuine Athearn Genesis HO scale F-Unit B mechanism is finished in Southern Pacific gray and provides a complete drive chassis for an F-Unit B locomotive model. It is designed as a replacement or upgrade for your Athearn locomotive.

• Scale: HO
• Type: F-Unit B mechanism
• Paint scheme: SP Gray
• Genuine Athearn Genesis part