Considering that they now sell an AM planetary gearbox with FPs installed I would have to say yes:
http://www.andymark.com/product-p/am-0822.htm. I have never used these before however, and was wondering if it is possible to directly mount an fp to the gearbox (confused because it also says a cim will mount). It appears so, just want to check before spending $200 on two of them.