By arrangement Burrells built ploughing engines incorporating the Everitt and Adams winding drum arrangement and engines were supplied either as a pair with left and right drums or singly with a double drum for use with supplied roundabout tackle.
By agreement between Burrells, ploughing engines were built featuring the Everitt and Adams winding drum system. The engines could be delivered as pairs with separate drums or as single units with dual drums, designed to work in conjunction with attached roundabout equipment.