gator hpx 4x4 rim size

Bought 2006 gator hpx 4x4 diesel that has 10" rims F and R. Front tires are AT489 24x9.5-10 Rear AT48924x12-10. Need to replace soon.
Book says F 22.5x10.00-8 R 25x12.00-9.
Any feedback on rim size/tire size is appreciated.