... drawing or new specification is welcome.Main applicationcombine harvester, swather , lawn mower , straw chopper , straw disintegrator , ensilage cutter ,fodder disintegrator , spade head ... On anti-rust oil.5. Main application : combine harvester, swather , lawn mower , straw chopper , straw disintegrator , ensilage cutter ,fodder disintegrator , spade head ...