This workshop repair service manual provides comprehensive information for the 674. As a product of a manufacturer with a significant legacy in agricultural and construction equipment, the 674 represents a model built with engineering quality and reliability in mind. This manual covers all models, engines, trim, and transmission types, ensuring that users have access to the specific details needed for their particular unit. The purpose of this manual is to serve as a definitive guide for owners, mechanics, and technicians. It details routine maintenance, advanced troubleshooting, and repair procedures across all major systems, including the engine, lubrication, cooling, fuel, clutch, transmission, drive chain, rear axle, brakes, front axle, steering, shocks, bodywork, intake, exhaust, hydraulic, and electrical systems. With hundreds of pages of professional-level information, including detailed substeps, diagrams, drawings, photos, and critical specifications, this English-language resource empowers users to maintain and repair their 674 effectively, potentially saving significant costs.