For the ones with the factory hitch, I *think* they were all 2". Aftermarket hitches are fairly easy to spot because of the brand stickers (Reese, HiddenHitch, U-Haul, etc.) on them.

hupptoy


99 4Runner SR5 3.4 Auto 4x4, 32" LTX A/T, 154K
93 Toy x-cab 22RE 5-spd 4x4, 31" LTX A/T, 150K