1959 Oliver OC-4 Crawler Tractor Parts Manual (102 P.)

Parts Identification for the 1959 Oliver OC-4 Gas Crawler

• Built for owners and workshops maintaining the 1959 Oliver OC-4 gas crawler tractor with four-cylinder engine and serial numbers ITG000 and up
• Original OEM publication Form No. S6-9-102A, final edition April 1959
• Contains 42 specialized sections with hundreds of exploded-view parts diagrams and detailed assembly components
• Delivered as a direct download the moment payment clears
• Re-download the file any time, no expiration
• Page spreads stay legible when printed at original size
• Indexed PDF search covers every chapter and appendix
• Full-text search finds any part number in seconds
• This 1959 final edition is the definitive source for identifying OEM-specified components for the ITG000-series OC-4 build

Component Documentation Scope

This 1959 Oliver OC-4 parts catalog provides a complete breakdown of the crawler’s mechanical and structural systems. The document lists individual parts, assembly numbers, and quantities for the main frame, four-cylinder engine, cooling architecture, and fuel management system. Specialized sections address the throttle and governor controls, ignition components including the magneto, and the complex electrical system complete with wiring diagrams. Detailed illustrations show the internal configuration of the transmission case, differential assembly, steering brake controls, and final drive systems, providing necessary context for identifying gear sets and bearing seals.

Technical Data Preview

Coverage extends to the track assemblies and undercarriage components, including track frames, guide supports, front wheel assemblies, and rock guards. The manual lists various grouser types, including street plates and rubber tread options, for the 31-inch to 68-inch gauge configurations. Detailed schedules for packaged service kits, such as engine overhaul gaskets and transmission seal kits, assist in maintenance planning. The structure of factory parts documentation ensures accurate component selection based on the specific tractor build. Coolant system architecture for the 1959 Oliver OC-4 is defined by a thermostat range of 175–195°F. Hydraulic relief operations for the 1959 Oliver OC-4 are governed by pressure thresholds between 1430 and 1570 psi. The four-cylinder power unit utilizes specific manifold gaskets documented in the engine assembly section. An official 102-page 1959 Oliver OEM parts catalog covering the OC-4 gas crawler, providing illustrated component identification for engine, transmission, steering, and track systems across the ITG000-series production run.