Front Wheel and Tire Assembly replaces Toro 117-7386. 4.10/3.50-4 Ribbed Tubeless Tire. Fits Time Cutter Z Models 74360, 65, 66, 80, 81 & 74398 . 42 & 50" Units. 3/4"ID X 4-1/4" Hub Length and Grease Zerk.