German series drum axle: 1. Capacity: 12ton, 14MT, 16MT trailer and semi-trailer axles; 2. Axle Tube: square 150mm and square 127mm; 3. ... Track Length: 1840mm 4. Brake Size: 420*200mm 5. Bearing: 33215/ ... forging, ensure they are more powerful and better steady; 4.Special clone-shape design on the axle-shoulders, lessening stress ...