I'm needing wiring help. I am wiring a mobile home and at the service pole I'm not wanting to hang the 200 amp breaker box since it's over one foot long and would like to hang a much small box w/ only a lone breaker or disconnect before going to the 200amp breaker panel mounted else where. Anyone know of such a box?

There is available a 200 amp circuit breaker enclosure just for one breaker. Look in your area for the available brands, each manufacturer will make one. Be sure to ask for a NEMA 3R enclosure, it is rated as Rain Tight.

The 200 Amp Breaker box, You are talking about all the breakers? Most 200 Amp disconnects are over a foot long. Did you want to put panel in Mobile Home.
I am probably reading wrong. Seems like you want 2 disconnects?