The 47.6-gross-horsepower U55-5 reduced tail swing unit has a dig depth of 11 feet 11 inches and a max dump height of 13 feet 2 inches. Kubota focused on cab comforts, adding a double adjustable seat and greater head and foot space. Noise and vibration levels were also addressed; the company put in a thicker floor plate, replaced the overhead metal sash bars with a felt ceiling and used thinner cab pillars..