An implement operating apparatus comprising: a drive frame comprising a base beam and first and second substantially parallel side beams extending from corresponding first and second ends of the base beam, characterized in that the drive frame is U-shaped and defines an open implement area between outer ends of the first and second side beams, the drive frame supported on a plurality of drive wheels for travel on a ground surface; wherein each drive wheel is pivotally mounted to the drive frame about a substantially vertical wheel pivot axis, and a steering control is operative to selectively pivot each drive wheel about the corresponding wheel pivot axis; a power source mounted on the drive frame and connected through a drive control to rotate each drive wheel, the drive control operative to rotate the drive wheels in a selected one of first and second directions; first and second implements, each implement configured to perform an implement operation and to rest on the ground surface when in an idle position; wherein each implement and the drive frame are configured such that when the drive frame is maneuvered to an implement loading position with respect to each implement in the idle position, each implement is connectable to the drive frame and movable to an operating position where each implement is supported by the drive frame and is connected to an implement control system operative to control implement functions; wherein when the drive frame is in the implement loading position with respect to the first implement in the idle position, at least a portion of the first implement is between and above the first and second side beams; and wherein when each implement is in the operating position, the steering and drive controls are operative in a first mode to move and steer the drive frame and supported implement along a first travel path and the steering and drive controls are operative in a second mode to move and steer the drive frame and supported implement along a second travel path oriented generally perpendicular to the first travel path. a drive frame comprising a base beam and first and second substantially parallel side beams extending from corresponding first and second ends of the base beam, characterized in that the drive frame is U-shaped and defines an open implement area between outer ends of the first and second side beams, the drive frame supported on a plurality of drive wheels for travel on a ground surface; wherein each drive wheel is pivotally mounted to the drive frame about a substantially vertical wheel pivot axis, and a steering control is operative to selectively pivot each drive wheel about the corresponding wheel pivot axis; a power source mounted on the drive frame and connected through a drive control to rotate each drive wheel, the drive control operative to rotate the drive wheels in a selected one of first and second directions; first and second implements, each implement configured to perform an implement operation and to rest on the ground surface when in an idle position; wherein each implement and the drive frame are configured such that when the drive frame is maneuvered to an implement loading position with respect to each implement in the idle position, each implement is connectable to the drive frame and movable to an operating position where each implement is supported by the drive frame and is connected to an implement control system operative to control implement functions; wherein when the drive frame is in the implement loading position with respect to the first implement in the idle position, at least a portion of the first implement is between and above the first and second side beams; and wherein when each implement is in the operating position, the steering and drive controls are operative in a first mode to move and steer the drive frame and supported implement along a first travel path and the steering and drive controls are operative in a second mode to move and steer the drive frame and supported implement along a second travel path oriented generally perpendicular to the first travel path.