This high-quality aftermarket replacement brake drum, compatible with ADR part number 66LTG1004NO, is specifically designed for agricultural and industrial trailers equipped with ADR axles. Measuring 400mm in diameter and 80mm in width, this drum is engineered to provide reliable and consistent braking performance. It features a precise F10 22 335-280 bolt pattern, indicating 10 bolt holes, a 22mm bolt diameter, a 335mm pitch circle diameter (PCD), and a 280mm center bore, ensuring a direct and secure fitment for specified axle configurations. As a non-OEM alternative, this brake drum offers a cost-effective solution for maintaining the braking system of your heavy-duty machinery. It is manufactured to meet or exceed the performance and durability standards of the original equipment, facilitating easy installation and restoring optimal stopping power. Ideal for replacing worn, damaged, or corroded brake drums, this compatible part helps ensure the safety and operational efficiency of your trailer. Always verify dimensions and bolt patterns against your existing part for accurate compatibility.