1200 -1500 - 1700 kg 2000 kg Disc type Solid Solid Disc diameter (mm) 280 300 Nominal thickness (mm) 15.9 ÷ 16.2 15.9 ÷ 16.2 Minimum thickness after grinding (mm) 14.55 14.55 Minimum permitted thickness (mm) 14.2 14.2