Parts list: № Number Qty Name Options Next page: ST819051 Arch Cylinder Components, Single Function ST819056 Grapple Cylinder Components - 10.8 sq ft, 13.3 sq ft, and 15.9 sq ft Grapples ( - 678405) ST934406 Boom Cylinder Components ST934420 Hydraulic Cylinder Components ST815275 Arch and Boom Cylinders, Dual Function