No there aren't .Only the last mod the Ultimate mod offers the playable Sherman M1A3 with American voices.There are othe rnaitons listed in the ME but they arwe not playable only for the AI.Never tried using them.
For more info come to our SF forum( the one here is pretty much dead) on :
http://graviteam.com/forum/index.php?board=1.0
It's pretty lively and fun and you get all the latest mods and info!
Cheers!