Winch Products Winch Bars Standard Painted. All winches except lashing winches feature a working load limit of 5,000 lbs., with a breaking strength of 15,000 lbs. They are designed to meet or exceed the Web Sling and Tie down Association (WSTDA-T3) specifications for winches used with synthetic web tiedowns, and to also meet U.S. Department of Transportation (DOT), California Highway Patrol (CHP), and Commercial Vehicle Safety Alliance (CVSA), requirements when properly installed. Caution: When tightening or loosening winches, never release the winch bar until you are sure the pawl has fully engaged the sprocket teeth. Serious injury can occur otherwise. The winch must be installed where the pawl can easily be seen.