Front weight

I mounted a receiver on the back of my tractor to pull my boat with and it works great. The only problem is the front gets light and doesn't want to turn. Does anyone have suggestions on how to add weight to the front?

I took an old mule drive that was bad and welded a large stamping die to it,works great,and i can slide it out when i no longer need to use it.

I got a mule drive for a sickle mower. I can probably do something with that to get some weight. That's a good idea, thanks.