This manual covers YANMAR 3TNV and 4TNV Series Industrial Engines, designed for a range of industrial applications. These diesel engines, featuring direct injection and water-cooling systems, are available in inline 3-cylinder (3TNV) and inline 4-cylinder (4TNV) configurations, with displacements of 1.63 L and 2.17 L respectively. Engineered for reliability and performance, these engines are built to meet various emission standards depending on their specific application and region.

This comprehensive Service Repair Manual provides essential information for the maintenance and repair of your YANMAR engine. It details service procedures, including assembly and disassembly, and includes wiring diagrams. The manual outlines recommended service intervals for components such as oil and filters, and specifies fluid capacities and types for both 3TNV and 4TNV models. This resource is intended to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their YANMAR industrial engines.