Tillage Trunnion Unit GW211PP2-HDT detail Specifications: GW211PP2-HDT GANG DISC TILLAGE TRUNNION UNIT Seal Type : 3 lips , contact seal at both sides Housing Material : Ductile cast Iron Main Dimensions: Inner Diameter (d) : 55.575 mm Inner ring width (Bi) : 33.338 mm D1: 34.925 mm E : 133.35 mm F : 127 mm G : 203.2 mm H : 55.56 mm