Parameter of brake assembly: Max. operation pressure: 8MPa. Master cylinder diameter:ф12.7mm. Wheel cylinder diameter:ф38mm. Mounting position of wheel cylinder: right. Mounting-plate hole space:42.5mm. Length of oil pipe:800mm. Max.braking moment:650N.m. Parameter of brake disc: O.D.:ф245mm. L.D.:ф56mm. Thickness: 4mm. Mounting Parameter: Hole space:ф74mm. Aperture:ф8.4mm. No. of holes:4. Parallel height of bottom:14.5mm. Valid radius of braking:103mm.