The Deutz Fahr Agrotron 135 MK3 is a tractor model from a manufacturer renowned for its agricultural machinery and innovation. This tractor, part of the advanced Agrotron line, represents a specific generation (MK3) known for its robust engineering and reliability. While precise production years are not specified, models of this designation typically fall within the late 1990s to early 2000s. The Agrotron 135 MK3 is designed for demanding agricultural tasks, offering approximately 135 horsepower, and is powered by a diesel engine. Its advanced design is complemented by sophisticated transmission and hydraulic systems, making it a capable and versatile machine for professional farming operations. This workshop service repair manual provides comprehensive coverage for the Deutz Fahr Agrotron 135 MK3 tractor, offering OEM dealer-level information in English. It details full service and repair procedures, including troubleshooting, diagnostics, and scheduled maintenance such as fluid and filter changes. The manual covers essential systems including the engine, hydraulics, and electrical systems, complete with wiring schematics and hydraulic diagrams. It also provides general information on safety rules, required tools, and tightening torques. This extensive resource is designed to empower owners, mechanics, and technicians to effectively maintain, diagnose, and repair the tractor, ensuring its optimal performance and longevity.