6600 LB Capacity Long Drum Winch w/Manual Brake. The MP-W3036 series tugger is a real work horse among the San-Ei tugger line. They are preferred in outdoor applications such as oil platform work and railroad car moving. With its large 4-piston air motor and rugged, extra heavy-duty construction, this unit delivers return on investment. Ideal for long term rental applications in a variety of inclement weather. With a large footprint this is the tugger of choice where dependable mounting and operation is required.