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Replacement Spindle, Brakes, and Hubs for Roadmaster Tow Dolly with Electric Brakes RM3477


I have a 3-year old Road Master RM3477 car dollie. The passenger side brake drum, spindle, brake shoes are all bad. I would also like to replace the wiring and the relay mechanism. I belive thT the brake locked against the drum. The driver side appears okay. The spindle has the grease cert.


Expert Reply:

In regards to the Roadmaster Tow Dolly with Electric Brakes (RM3477) part # RM-2050-1, the correct replacement spindle is part # RM63FR, the correct replacement braking assemblies are part # RM-4701-R for the passenger side and part # RM-4701-L for the driver side, and the correct brake drum is part # RM43FR.

Unfortunately, we don't offer any relay harnesses for this tow dolly as they are not available as replacement parts so you'll need to re-wire this yourself or hire a professional.

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