A mat washer is disclosed which includes a mainframe, a rail surface affixed to the mainframe at an angle of 25 degrees to 90 degrees, a conveying system adapted to transport one or more mats along the rail surface, an enclosed washing chamber having one or more spray bars adapted to direct jets of water at each mat, a discharge wheel adapted for stacking each mat onto a discharge rack, a water recycling system having a waste conveyor adapted to separate large debris from water, the water recycling system have one or more filtration devices adapted to separate small debris from water, and a high pressure pump to supply water under pressure to the one or more spray bars.