floating seal group assy 5m-1177 5m1177 used for final drive assy travel motor assembly fit excavator cat311 e311 e120b

service component for the final drive group that transmits power from the engine to sprockets or wheels and permit gear reduction. rubber and metal material, made in standards. it may fit many machines in the final drives or transmissions. please refer to the given size and the ps to check more compatible models. other related parts for the final drive are available, such as gears, bearings, carriers, housing, hub, cover, and so on. excavator spare parts including bearings, gears, seal kits, engine parts, motors, pumps, solenoids, valves, etc..syi