This standard specifies the size specifications, drum rope capacity, wire rope traction force and wire rope speed definitions of winches for forest harvesting machinery.
LY/T 1289-2006 history
2008LY/T 1289-2008 Machinery for forestry—Winches—Dimensions,performance and safety requirements
2006LY/T 1289-2006 Machinery for forestry - Winches - Performance requirements