Description
Product details
Introduction The Rexroth A4VG125 hydraulic pump is a high-performance axial piston pump designed for demanding industrial and mobile hydraulic applications. Known for its durability, efficiency, and precision, this pump is widely used in construction, agriculture, mining, and material handling equipment. In this detailed guide, we’ll cover: ✔ Key features & benefits ✔ Technical specifications ✔ Common applications ✔ Maintenance tips ✔ FAQs By the end, you’ll have all the information needed to optimize performance, troubleshoot issues, and extend the pump’s lifespan. Key Features of Rexroth A4VG125 Hydraulic Pump ✅ Variable Displacement – Adjusts flow based on demand, improving efficiency. ✅ High Pressure Rating – Supports up to 400 bar (5800 psi) for heavy-duty use. ✅ Multiple Control Options – Mechanical, hydraulic, and electronic controls available. ✅ Load-Sensing Capability – Optimizes energy usage by adjusting to system needs. ✅ Robust Construction – Built for longevity in harsh environments. Rexroth A4VG125 Technical Specifications Parameter Specification Model A4VG125 EP/HD/DA Displacement 125 cm³/rev Max Pressure 400 bar (5800 psi) Speed Range 1000 - 3000 RPM Weight Approx. 50 kg (varies by model) Fluid Type Mineral oil (ISO VG 46 recommended) Control Options Hydraulic, mechanical, or electronic Efficiency Up to 95% (depending on configuration) Port Connections SAE or metric flanges Common Applications The A4VG125 pump is ideal for: Excavators & Bulldozers – Provides reliable power for digging and lifting. Agricultural Machinery – Used in tractors, harvesters, and sprayers. Mining Equipment – Handles extreme loads in drilling and material transport. Industrial Presses – Delivers high-pressure fluid for metal forming. Forestry & Logging Machines – Ensures smooth operation in rugged conditions. Maintenance Tips for Longevity To maximize performance and lifespan, follow these best practices: ✔ Monitor Hydraulic Fluid – Check for contamination and change oil regularly. ✔ Inspect Filters – Replace clogged filters to prevent damage. ✔ Check for Leaks – Look for oil seepage in hoses and seals. ✔ Follow Service Intervals – Adhere to Rexroth’s maintenance schedule. ✔ Use Genuine Parts – Ensure compatibility and reliability. FAQs About Rexroth A4VG125 Hydraulic Pump 1. What is the difference between A4VG125 EP, HD, and DA models? EP (Electro-Proportional Control) – Allows electronic adjustment. HD (Heavy Duty) – Built for extreme conditions. DA (Pressure Compensated) – Automatically adjusts flow based on demand. 2. What is the typical lifespan of an A4VG125 pump? With proper maintenance, it can last 10,000+ operating hours. Contamination and overheating are the biggest threats. 3. Can the A4VG125 be repaired, or should it be replaced? Many wear parts (seals, pistons, valve plates) can be replaced. However, severe damage may require a full replacement. 4. What causes overheating in the A4VG125 pump? Common causes: Low fluid levels Clogged filters Excessive pressure Worn internal components 5. Where can I find a Rexroth A4VG125 manual? Official manuals are available on the Bosch Rexroth website or from authorized distributors. 6. How do I troubleshoot low pump performance? Check: Hydraulic fluid level & quality Control settings Internal wear (pistons, swash plate) Conclusion The Rexroth A4VG125 hydraulic pump is a top-tier choice for industries requiring high power, efficiency, and durability. With its variable displacement, load-sensing capability, and robust design, it’s perfect for heavy machinery and industrial applications. By following proper maintenance and using genuine parts, you can ensure peak performance and longevity. Need expert advice or replacement parts? Contact a certified Rexroth hydraulic specialist today!
