Steering Pump — Part Number R277683 Description A replacement hydraulic steering pump designed as a directfit unit for the specified tractor models. This steering pump restores steering assist to factorylike operation, helping maintain precise control and reducing operator fatigue during field and transport tasks. Key benefits Restores hydraulic steering performance for tractors equipped with compatible systems, improving responsiveness and control. Lowers downtime by replacing a worn or failing pump with a readytoinstall unit built to match the original part number. Broad vehicle compatibility lets you one common component across multiple models, simplifying parts inventory. Primary attributes Part Name: Steering Pump Part Number: R277683 Function: Hydraulic steering pump for powerassisted steering systems Fitment: Direct replacement for listed tractor models and configurations Performance: Designed to deliver steady hydraulic flow and pressure for smooth steering operation Compatibility Fit for the following tractor models: 5E1000, 5E1004, 5E1100, 5E1104, 5E1200, 5E1204, 5E904, 5E850, 5E850h, 5E950, 5E954, 5E854, 5750, 5850H1, 5754, 5750, JD550, JD600, JD654, JD650, JD720, JD724, JD750, JD754, JD800, JD804, JD820, JD824, JD850, JD854, JD900, JD904, JD1054, JD1204 Installation and use Intended as a direct replacement unit for tractors listed under compatibility. Use standard hydraulic system procedures when replacing the pump. Inspect hydraulic lines, fittings, and reservoir for contamination before installation to protect the pump. After installation, bleed the steering system according to the vehicle service instructions and check for proper operation and leaks. Typical applications Field work: a failing steering pump on a tractor used with front loaders, plows, or cultivators to restore accurate steering under load. Transport and road travel: Restore reliable power steering for tractors that move between fields or work sites, improving maneuverability and operator control. Maintenance and fleet : Keep a spare R277683 pump on hand for field service or scheduled maintenance to reduce equipment downtime. Notes Confirm part number R277683 and model compatibility before ordering to ensure correct fitment. Follow the tractor manufacturer service recommendations for installation and system testing.