Professional 36 Litre Kentucky Mop System With Wheels A professional 36 Litre Kentucky Mop Bucket with 4 Wheels This is a rapid use bucket mopping system complete with a wringer that has been designed for use with either flat mops, large socket mops and Kentucky mops. Made from easy-to-clean polypropylene, this bucket moves easily on 4 wheels across all surfaces. Capacity is 19 to 36 Litres.