20iR40TT

Drive tire - TI-075 (10 x 5 x 6 1/2 recommend SPS compound)

Load wheels - RY-654 (5 x 3 5/8 (2.441))

Caster wheel - RY-663 (6 x 2 1/2 (2.328/1.969)

copied from info provided to Master Industrial by Carol.