HTH623C - HARVESTER 20 Mechanical Parts group 20 Mechanical 20 Mechanical . Tilt Unit with Swivel (310 Standard) Link Link, Thru Hosing Rotator (310 Standard) Rotator (Continuous Rotation) Hydraulic Assembly (Continuous Rotation) Manifold (Continuous Rotation) Rotator, Continuous W/ Thru Hosing Swivel ( - 000133) Swivel - Limited Travel (000134 - XXXXXX) Swivel - Limited Travel (XXXXXX - ) Tilt Frame (Standard) ( - 000251) Tilt Frame (Standard) (000252 - ) Tilt Frame (Continuous Rotation) Tilt Frame, Thru Hosing Head Main Frame Main Frame Guards Cover ( - 000006) Cover (000007 - 000133) Cover (000134 - ) Cutterbar Wear Plate Delimber Unit Delimb Arms Feed Unit - Fixed Seal Kit (TMVW 500 / 630 Motors) Diameter Measuring Feed Unit Feed Unit Arms Feed Unit Feed Arm Motors Feed Wheel Options Lower Delimb Arm (Standard Option) Lower Delimb Arm (Processing Option) Lower Delimb Bushing (Standard Option) Lower Delimb Bushing (Processing Option)