4-Rope Ash Handling Clamshell Buckets Application: Hawco 4-rope ash buckets are designed for use on overhead cranes working in ash pits at waste-to-energy plants. These buckets are heavy duty in design and are also equipped with teeth for handling ferrous metal often found in the ash mix. Sizes: 1 to 10 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 heavy duty roller bearings Oversized guide rollers for less cable wear. Lip material is T-1 alloy. Double rib support on bowl arms for additional strength Recessed center shaft to protect from external contact. Bolt-on teeth.