This 18-inch by 5-inch H.D. HPPT Polyurethane caster wheel is a high-performance solution designed for dynamic applications that can handle higher weight capacities, making it perfect for AGVs, Tuggers, and other high-speed, heavy-duty scenarios. With superior tear and abrasion resistance, it maintains its structural integrity over extended periods, while its excellent solvent resistance ensures durability. Performance doesn’t stop there, this wheel is capable carrying loads up to 9500 lbs. This specific wheel also has a 1-inch thick tread which is denoted by the H.D. in the wheel material.