That depends, your 2012 Winnebago's maximum gross trailer weight and maximum tongue weight are independent of those corresponding values of your hitch receiver. You are limited to the lower of the two values between your motorhome and the hitch receiver, so going with a hitch receiver with a higher maximum tongue weight does not guarantee you can carry anymore weight. You will have to contact the manufacturer to find out the frame capacity of your Winnebago. view full answer...