The Deutz Allis 6275 Tractor is a robust, reliable heavy-duty agricultural machine designed for demanding farm operations. Leveraging Deutz AG's engine technology, this model represents a mid-range utility tractor with a history rooted in solid engineering and dependable performance, likely evolving from earlier Allis-Chalmers designs. It features a liquid-cooled Deutz Diesel engine, typically around 75-85 PTO horsepower, known for strong low-end torque delivery. Transmission options include a synchromesh manual or an optional PowerShift, both designed to complement the tractor's independent PTO capabilities. The 6275 is built for efficiency and durability, making it a capable partner for a wide variety of agricultural tasks. This comprehensive service manual provides essential information for the repair, maintenance, troubleshooting, and overhaul of the Deutz Allis 6275 Tractor. It covers all major systems, including the engine, transmission, hydraulics, electrical systems, and chassis. Detailed procedures for routine maintenance, diagnostic testing, and component repair are included, along with guidance on specialized tools and equipment. The manual is intended for professional technicians, experienced mechanics, and owners with mechanical aptitude, offering in-depth technical data and advanced diagnostic procedures to ensure optimal performance and longevity of the tractor.