Valve GP-QDR 558-5127 5585127 for CAT D9 D10 D9 GC D8 D7 Bulldozer

Product Overview Part Name: Valve GP-QDR Part Number: 558-5127 5585127 Application: Designed for use in the hydraulic system of track-type tractors (bulldozers) to enable quick drop functionality, ensuring efficient blade and attachment response Compatible Models: Track-Type Tractors / Bulldozers: D7, D7R, D7T, D8, D8R, D8T, D8 GC, D9, D9R, D9T, D9 GC, D10, D10R, D10T Dozer Variants: D8K, D8N, D8L, D9N, D9L Wheel Tractor-Scrapers: 621K, 623K, 627K, 631K, 637K Off-Highway Trucks: 770, 772, 773, 775, 777 Articulated Trucks: 725, 730, 735, 740 Motor Graders: 14M, 16M Industrial / Power Systems: C9, C13, C15, C18 Function: Provides quick drop hydraulic functionality, allowing rapid release of hydraulic pressure for faster blade lowering and improved operational efficiency Condition: Brand New Replacement Technical Specifications Type: Hydraulic quick drop valve assembly (QDR) Voltage: Hydraulic system operated component Thread Size: Precision-machined hydraulic ports for direct fitment Connector: Integrated hydraulic ports designed for seamless installation Material: High-strength steel construction with corrosion-resistant coating for durability in extreme working environments Cycle Life: ≥ 100,000 operations under standard working conditions Pressure Rating: Engineered for high-pressure hydraulic systems in bulldozers Operating Environment: Suitable for heavy-duty applications including high load, vibration, dust, and extreme temperature conditions Weight: Approx. 4–10 kg Shipping: Global Shipping Available | Delivery in 3–5 Days