The Allis-Chalmers Model 720 is an agricultural tractor, likely produced during the 1970s, a period of significant advancement in tractor technology. Known for its robust construction and distinctive Persian Orange paint, this model typically features a powerful diesel engine, a multi-speed transmission, and a capable hydraulic system designed for a variety of farm implements. It competed with major manufacturers of its era and was built in the United States, embodying the heritage of Allis-Chalmers as a key player in agricultural machinery. The Model 720 was designed for utility tasks, offering a blend of power and versatility for farm operations.

This comprehensive Parts Manual for the Allis-Chalmers Model 720 provides detailed parts identification and listing, essential for owners, operators, mechanics, and parts suppliers. It covers a wide array of systems, including the engine, fuel, cooling, lubrication, clutch, transmission, PTO, axles, brakes, hydraulics, and electrical systems. The manual features extensive exploded view diagrams with numbered components corresponding to a parts list, facilitating accurate part ordering and assembly reference. Its purpose is to ensure the correct identification and sourcing of replacement parts, thereby supporting the ongoing maintenance, repair, and longevity of the Model 720 tractor.