The BPW truck brake drum 0310677520 is a heavy-duty component, typically used in trailers. It features a 420 mm inside diameter, a brake shoe width of 215 mm, and a total height of 284 mm. The drum has 10 stud holes, a hub diameter of 290 mm, and weighs around 39 kg. This brake drum is designed for durability, making it ideal for the tough demands of commercial transport.