F-250 super duty 2002 plow truck

2002 f-250. She’s got some rust but it’s been like that since I’ve owned it the past 3 years. Plow and salt spreader and 4 pallets of salt come with it. (About 1,000 worthof salt)**** No separation. It’s ready to plow. 4wd doesn’t work right now. But i have plowed parking lots the past 3 years without a problem. I was told the part was 250 bucks to fix.. i just put new battery’s in and just installed new shocks on the front end! Also has aluminum flat bed with 2 tool boxes and has aluminum sides that come up so easy to load things!