1999 Fendt Favorit 509 C - 515 C & Xylon 520 - 524 Tractor Workshop Manual (P/N X 990.005.023.024)

• Covers 1999 Fendt Favorit 509 C through 515 C and Xylon 520 through 524 tractor transmission and power-shift systems
• Official AGCO Fendt publication form EKI 2330Z-en, 1999 edition
• Contains 410 pages of technical data including 25 specific transmission repair sections and critical fastener torque specifications
• This 1999 first edition is the primary reference used for the Favorit 500 and Xylon 500 series launch transmission and power-shift clutch configurations
• Delivers complete PDF accessibility for advanced troubleshooting, incorporating wiring diagrams, hydraulic flow schematics, exploded part views, diagnostic fault charts, and component cross-sectional drawings
• Details crucial sub-assemblies such as the fluid turboclutch, powershift control valves, forward/reverse synchronizers, four-wheel drive clutches, cardan-shaft brakes, and master brake cylinders

Transmission and Drivetrain Walkthrough

The Fendt Favorit 509 C–515 C and Xylon 520–524 workshop manual documents complex transmission operations. This publication details the removal, installation, and repair procedures for the power-shift transmission, including specific clutch assembly sequences for clutches A through G. Providing exact step-by-step instructions for tasks that typically demand highly expensive dealership labor—such as overhauling the turboclutch assembly or rebuilding the powershift control valve—this resource enables mechanics to tackle major drivetrain jobs internally. The text outlines disconnection procedures for the engine-clutch housing and the manual transmission-rear axle joints, ensuring correct separation and reassembly. Because splitting an agricultural tractor involves separating extremely heavy cast-iron sections that severely shift the center of gravity, technicians must always utilize approved heavy-duty splitting stands and follow precise cribbing protocols before unbolting components to prevent extreme crushing hazards. It additionally provides guidance on front p.t.o. gear train servicing, differential repairs, and comprehensive brake system maintenance for both Favorit and Xylon variants.

Technical Specification Highlights

This technical manual contains vital fluid capacity charts and lubricant specifications, listing requirements for engine oil, transmission STOU oil, and hydraulic systems. Reference charts specify metric standard and fine thread bolt torque values in both Nm and kpm, with dedicated sections for assembly clearances. Having these exact factory assembly tolerances and hydraulic pressure values immediately accessible on the shop floor significantly reduces diagnostic time and prevents unpredictable shifting behavior caused by incorrect clutch shimming. Coolant system capacities vary from 15.5 to 22.0 liters depending on the specific engine configuration. The brake and clutch systems are documented for maintenance with Pentosin CHF 11S hydraulic oil, with detailed bleeding sequences included for the pedal systems.

When servicing these specific Fendt models, mechanics frequently encounter a notorious diagnostic trap involving the fluid turboclutch. Operating the tractor at low RPMs under heavy draft loads often overheats the internal fluid, which hardens the radial shaft seal and leads to a stealthy loss of drive power that perfectly mimics a burned multi-disc transmission pack. Avoiding this costly misdiagnosis requires verifying the exact factory-specified SAE 10W fluid volume to confirm proper engagement characteristics before unnecessarily tearing down the main gearbox.