Max Travel Speed 2 mph (3 kph). Tail Swing Radius 4 ft (1 m). Swing Speed 10 rpm. Max Loading Height 8 ft (2 m). Max Digging Depth 7 ft (2 m). Max Vertical Wall Digging Depth 4 ft (1 m). Hydraulic Pump Flow Capacity 14 gpm (53 lpm).