(under subclass 584) Apparatus comprising two groups positionable substantially abreast with their longitudinal axes on substantially the same laterally extending line and two other similarly positioned group, behind the first two groups and working substantially the same soil path.
SEE OR SEARCH THIS CLASS, SUBCLASS:
588, for horizontally, angularly adjustable double tandem groups wherein the adjusting means comprises a hitch, longitudinally movable on the tongue of the apparatus.
589+, for horizontally, angularly adjustable double tandem groups having a turning connection offset from the draft connection.
594+, for horizontally, angularly adjustable double tandem groups provided with manual actuator-adjusting means.