450 - LOADER, CRAWLER 25 DROTT 4-IN-1 BUCKET HYDRAULICS Parts group 25 DROTT 4-IN-1 BUCKET HYDRAULICS 25 DROTT 4-IN-1 BUCKET HYDRAULICS . CLAM CYLINDER FOR DROTT 4-IN-1 BUCKET (DROTT SERIAL NO. -1490) [B22] CLAM CYLINDER FOR DROTT 4-IN-1 BUCKET (DROTT SERIAL NO. 1491-1616) [B23] CLAM CYLINDER FOR DROTT-1-1/4 YARD 4-IN-1 BUCKET (DROTT SERIAL NO. 1617- ) [B24] RELIEF VALVE FOR DROTT 4-IN-1 BUCKET [B25] OIL LINES AND FITTINGS - 1-1/8 YARD DROTT 4-IN-1 BUCKET [C01] OIL LINES AND FITTINGS (LOADER CONTROL VALVE TO DROTT 4-IN-1 BUCKET OR LUMBER FORK) [C02]