Hydraulic Crawler Type Windrow Compost Turner For Sale. Crawler type windrow turner in our company can save your cost on organic fertilizer making. In SEEC, there are 4 models crawler type windrow turners for you: SEECLDF-2300, SEECLDF-2600, SEECLDF-3000, SEECLDF-3000 (full hydraulic). They are different in turning width and height.