bendix washerdryer ?

I have a bendix washerdryer in my 1997 bounder motor home it has only been used about five times when i turn it on i can hear it run through the cycles but the tub does not turn i pulled it out the belt is still on the motor and tub but not turning i havent smelled a burn odor frome the motor could you give me any information what might be worng and where to look and where i might be able to purches parts in st louis mo thanks JD