We supply spare parts for Heavy Equipment, which are mainly used on Engine, Hydraulic & Electronic Systerm, and Undercarriage, covering almost the whole machine. Excavator Spare Parts including Bearings, Gears, Seal kits, Engine Parts, Motors, Pumps, Solenoids, Valves, etc. The housing hub is used for Excavators in the travel gearbox reducer. And the other parts related in this reducer are also available. Please check with the part number and the photos to check more compatible machine models. The shipment can reach to most of the countries of the world, please contact us if there is no option for your destination..syi