TRAVEL DRIVING GEAR FOR CRAWLER WORKING MACHINE

摘要

PURPOSE: To facilitate the exchange of a floating seal portion without disassembling a reduction gear. CONSTITUTION: This crawler travel driving gear 10 for a crawler working machine comprises floating seals 30 arranged on the inner peripheries of opposed portions between the end of a protruded portion 12b of an output side housing 12 for the reduction gear 11 and a shaft mounting boss portion 21 of a sprocket 20.