1.reducer tapered active bearing and differential bearing differential noise resolutionReducer bearings usually produce a harsh "buzz" or "quack" sound, sound beat is stable, with the east wind dung-suction vehicle speed changes.The front bearing noise of the tapered driving gear of the reducer is l

Fire fighting Truck Fire truck, also known as fire engines, refer to vehicles designed and manufactured to be suitable for use by firefighters and equipped with various fire fighting equipment or extinguishing agents for fire fighting, auxiliary fire fighting or fire rescue by fire fighting forces.

The youngest, simplest and beautiful Chengli garbage truck.