4-Rope Rehandler Clamshell Buckets Application: For handling bulk commodities such as grain, fertilizer, salt, etc. with a 4-rope operated crane. Hawco 4-rope rehandler clamshell buckets come in standard scoop type or tray type for handling ore pellets. Sizes: 4 cubic yards to 77 cubic yards Standard Features: All alloy steel construction. Pins and bushings made of heat treated 4140 and 4150 alloy stock. All pins and bushings are lubricated through recessed grease fittings. Sheaves are cast of alloy steel and fitted with roller bearings. Oversized guide rollers for less cable wear. Lip material is T-1 alloy. Scoop reinforcing bars on bowls for prolonged life. Double rib support on bowl arms for additional strength. Recessed center shaft(s) to protect from external contact. Geared hinge for positive alignment when opening and closing. Options: Stainless steel overlaid pins and manganese alloy bushings (not applicable to sheaves) 400 BHN hardened alloy steel lips Environmental "lap" type lip seal Environmental rubber lip seal Spill plates to increase capacity Spillways to decrease capacity Environmental dust covers Removable sheave blocks