3-Rope Coke Handling Clamshell Buckets Application: Hawco 3-rope (2 hold lines and one close line) coke buckets are designed for use on overhead cranes working at coke pits in refineries. These buckets are of rugged construction to withstand the punishment of this application. Hawco 3-rope buckets are very similar in design to the standard rehandler clamshell buckets with the exception of their being a hold line equalizer bar on the head of the bucket. Buckets are fitted with perforated bowl scoops for water drainage, allowing the bucket to pick up more coke than water. Sizes: 3 to 20 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 9C aluminum bronze bushings. 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. Perforated bowl scoops.