5500 Starts: 9:00 a.m. Tire Limit: 15.5×38 Example Tractors: Farmall 450,460,560,656, Oliver 1600,1650, Case 400, and Spare Parts 6000 Starts: Around Noon Tire Limit: 15.5×38 Example Tractors: Farmall 450,460,560,656, Oliver 1600,1650, Case 400, and Spare Parts 6500 Starts: Around 3:00 p.m. Tire Limit: 15.5×38 Example Tractors: Farmall 450,460,560,656, Oliver 1600,1650, Case 400, and Spare Parts 7000 Starts: Around 6:00 p.m. Tire Limit: 15.5×38 Example Tractors: Farmall 450,460,560,656, Oliver 1600,1650, Case 400, and Spare Parts 8500 Starts: Around 6:00 p.m. Tire Limit: 18.4×38 Example Tractors: Farmall 706,756,806, Oliver 1800,1850, and Case 970 9000 Starts: Around 3:00 p.m. Tire Limit: 18.4×38 Example Tractors: Farmall 706,756,806, Oliver 1800,1850, and Case 970 9500 Starts: Around Noon Tire Limit: 18.4×38 Example Tractors: Farmall 706,756,806, Oliver 1800,1850, and Case 970 10000 Starts: 9:00 a.m. Tire Limit: 18.4×38 Example Tractors: Farmall 706,756,806, Oliver 1800,1850, and Case 970