This manual covers the New Holland 9N/2N/8N Series Tractors, iconic machines that served as the backbone of agricultural operations for many years. These tractors, produced across various years typically from the 1930s through the 1950s, are known for their robust inline 4-cylinder gasoline engines, ranging from 119.7 to 134 cubic inches, and their practical design featuring a sliding gear manual transmission with four forward and one reverse gear. Their engineering emphasizes reliability and straightforward operation, making them enduringly popular for a wide range of farm tasks.

The purpose of this service workshop repair manual is to provide comprehensive guidance for the maintenance and repair of these New Holland tractors. It details essential technical specifications, including engine and transmission data, dimensions, and fluid capacities. Furthermore, the manual outlines crucial maintenance procedures, such as lubrication schedules and intervals for engine oil changes and grease point servicing, alongside information on the chassis, drivetrain, braking system, and the integrated Ferguson hydraulic system. This resource is designed to assist owners, mechanics, and technicians in keeping their 9N/2N/8N Series tractors in optimal working condition.