Excavator and bulldozer Seal Group Mechanical seal 1.Material: Alloy cast iron and rubber 2. ... Size :Diameter 35mm to 1100mm Excavator and bulldozer Seal Group Mechanical seal 1.Material: Alloy cast iron and rubber2.Size ... 3.Rigidity: HRC60-72 4.Excavator and bulldozer floating Seal Group,we can supply various size floating seal5.Application:Komatsu,Mitsubishi ...