Rocky Mountain Hub

[Billy C]

Does anyone know if the Rocky Mountain front wheel hub has the same dimensions as the stock wheel hub? I am looking to replace a Rocky mountain Hub with a stock one on a 1930 Sedan.

 

[mrraford]

The Rocky Mountain drums were the same dimension as factory drums and hubs. They were cast iron for added ability to stop.
I've got a spare pair that mike to 0 wear. If you are interested I would be willing to discuss parting with them.

 

[Billy C]

Thanks for the reply and offer but I am going with stock this time.

 

[Charlie Stephens]

If you are talking about what I think you are they are late '31 and should interchange although replacing just one will probably cause the brakes to pull. Ford also used this design beginning in 1932 and but these drums are 12 inch diameter (versus 11 for the Model A) and will not interchange using existing backing plates.

Charlie Stephens

 

[Hitman]

The Rocky Mountain hubs and drums are one piece. The original style closed drums are two piece, with the drum and hub being separate, but secured together by swedging the wheel studs.

You should provide more clarity to your question.

I think you're asking if the original drum and hub configuration is the same as the Rocky Mountain style. If that's your question, yes, they are compatible and interchangeable as a drum and hub assembly.

 

[Ruth]

Why are these referred to a "Rocky Mountain Brakes"? I always thought Rocky Mountain Brakes where an aftermarket brake setup for the Model T.

 

[redmodelt]

The current Ford Model T so called "Rocky Mountain Brakes" are a modern adaption of the 1926/27 AC brakes and are sold under the brand name "Rocky Mountain Brakes". Not all outside Ford Model T brakes are RMB.

The Ford Model A Rocky Mountain Brakes are cast iron with holes to allow better heat dispersion under heavy braking situations, I think they only were made for the front.