This manual covers a range of DANA and FENDT agricultural vehicles, including various models within the Farmer and Vario series. These tractors are engineered for demanding agricultural tasks, offering robust performance and reliable operation. Their design emphasizes efficiency and durability, making them suitable for a wide array of farming applications. This document serves as a comprehensive guide for the maintenance, repair, and technical understanding of these vehicles. It details essential procedures such as routine maintenance and lubrication, safety precautions, and in-depth technical information on key components like the planetary reduction, steering systems, and differential unit. Troubleshooting guidance and a list of special tools are also provided to assist owners and technicians in keeping the equipment in optimal working condition.