The Oliver 1550 Tractor represents a robust piece of agricultural machinery, known for its durable construction and reliable performance, hallmarks of the Oliver Farm Equipment Company's legacy. This model, likely produced in the 1960s, was a mid-range offering designed for demanding agricultural tasks. Its versatility is highlighted by support for Gasoline, Diesel, and LP Gas fuel systems, catering to various operational needs. The tractor's engineering emphasizes longevity and efficiency, making it a valuable asset for farming operations and a sought-after machine for restoration enthusiasts who appreciate its classic design and dependable functionality. This comprehensive Workshop Service/Repair Manual provides detailed guidance for maintaining and repairing the Oliver 1550 Tractor. It covers a wide array of systems, including complete engine overhauls, fuel systems (Gasoline, Diesel, LP Gas), powertrains such as PTO and various drive systems, air systems, ignition, and hydraulics. The manual offers step-by-step repair procedures, disassembly and reassembly instructions, routine maintenance checks, fluid specifications, and crucial torque values, all supported by numerous diagrams and exploded views. This resource is designed to empower owners, mechanics, and technicians to perform in-depth repairs and ensure the continued optimal performance of their Oliver 1550 Tractor.