concrete mixer

1 Electric lubricating oil pump Supplying oil to the four shaft-end respectively with four pump cores, without by-pass valve, to avoid blocking of by-pass valve, desreasing maintenance and service. 2 Shaft-end seal Original-imported parts installation, to avoid cement and slurry closed to shaft-head, extending service life of concrete mixer. 3 Reducer Long service life, lower noise, oil tightness 4 Synchronizer Original imported from Italy to ensure mixing blades synchronous operation.