with 4 acres youll need at least a 5 foot cut . i think a real
garden tractor deere or cub ,with a heavy trans would be a good choice.
there are all kinds of attachments for them. if moneys not an issue, get
a 4 wheel drive kabota with a woods mower on the back and snow blower on
front. lucas

http://www.minibite.com/america/malone.htm