Tire Type: X Tweel. Airless radial tires are one whole assembly that replace the tire, wheel and valve assembly. Tire Size: 24×12.00-12. Compatible With Toro: Titan HD 2000 Series 60″ – Titan HD 2500 Series 60″ – 3000 Series 60″ 72″ – 5000 Series 52″ 60″ 72″ – 6000 Series 60″ 72″ – 7000 Series 60″ 72.