... BulldozerTY320,D155,D85,T140-1 KobelcoSK07,SK200 komatsu: Komatsu seal group are used in construction machinery and mining machinery , the outer ... -0.2um ,the lifetime is more than 3,000HRS. My factory can produce floating seal according GNL,GOETZE,CAT,KOMATSU.But ... you have your own drawings,that's ok. Komatsu seal group is applicable to various engineering machinery and mining machinery. Various ...