S3 Delta Harrows inc. 800 S. Freemont Street , Shenandoah , Iowa 51601 USA About Solutions products Downloads Companies S3 Delta Harrows inc. Products S3 Delta - Turnlock Drawbar S3 Delta - Turnlock Drawbar 0 Share Delta’s Turnlock Drawbar Style is designed to stay securely attached using a loop connector which then “locks” into place when the drawbar is rotated to working position. Customer reviews No reviews were found for S3 Delta - Turnlock Drawbar. Be the first to review! Add your review Publish your review Great! review successfully added!