This vintage farm equipment operator’s manual provides detailed assembly, operation, and maintenance instructions for the Wil-Rich Standard Rolling Plow Disk RPS 20 Series (10′-16′). • Comprehensive diagrams for assembly and parts • Covers operation and safety instructions • Printed in the USA in 1984 • Includes maintenance guidelines Minor wear on the cover. Dimensions: 8.5″ x 11″. We are always happy to combine items so that you can save on shipping