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Industrial Rexroth A4VG Hydraulic Pump With EP/HD Controls 350-450 Bar

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A6VM Rexroth Hydraulic Motors in Construction / Agriculture

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A4VSO Series Rexoth Piston Pump High Pressure Variable Volume

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A10VSO18 28 45 71 100 140 Rexroth Variable Displacement Piston Pump for Engineering

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About Us

Quzhou Ouster is a hydraulic pump company that integrates production and sales. Its products cover hydraulic pump models of various well-known brands, delivering highly cost-effective hydraulic pumps for you.

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Our Advantage

HIGH QUALITY

Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

Cases

It is used in various scenarios

Chinese Hydraulic Leader Supplies A4VG Pumps to Russian Mining Giant

11-28 2025

01-14 2026

Mastering the Basics of Hydraulic Pump Repai

Hydraulic pump failure can cause costly downtime. Understanding key repair principles is crucial for efficient maintenance. Core Steps for Effective Repair: 1. Accurate Diagnosis: Identify the root cause (e.g., cavitation, contamination, worn components) before disassembly. Listen for noise and check for low pressure or slow operation. 2. Clean Environment: Perform repairs in a meticulously clean area. Contamination is the leading cause of pump failure. 3. Systematic Inspection: Upon disassembly, carefully inspect all components—gears, vanes, pistons, seals, and bearings—for wear, scoring, or damage. 4. Precise Replacement: Use exact OEM or high-quality replacement parts. Pay special attention to seal kits and wear plates. 5. Proper Testing: After reassembly, prime the pump and conduct a controlled run-in test. Check for leaks, unusual noise, and proper pressure output. Pro Tip: Prevention is key. Implement a strict fluid maintenance regimen with regular filtration and analysis to prevent premature failures. For complex issues, always consult a certified specialist.

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01-04 2026

Ouster Hydraulic Introduces Advanced Sensing for Safer, Smarter Heavy Machinery

Ouster Hydraulic announces the integration of its high-performance digital lidar sensors into next-generation hydraulic systems and heavy equipment. This innovation provides machines with real-time, long-range 3D perception, significantly enhancing operational safety and autonomy in challenging environments like mining, construction, and agriculture. By accurately detecting objects, people, and terrain in all lighting and weather conditions, Ouster's technology enables proactive collision avoidance, precise automation, and improved efficiency. This development marks a critical step toward fully autonomous industrial vehicles, reducing downtime and protecting worksites. Ouster Hydraulic is committed to setting a new standard for reliability and intelligence in fluid power systems through cutting-edge perception.

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12-31 2025

Breakthrough in Durability: New Composite Material Extends Hydraulic Pump Component Life by 40%

Breakthrough in Durability: New Composite Material Extends Hydraulic Pump Component Life by 40% A leading manufacturer in fluid power technology has unveiled a groundbreaking composite material for key hydraulic pump wear parts, including pistons and valve plates. Laboratory and field tests demonstrate that components manufactured with this advanced material exhibit a 40% increase in service life under extreme pressure and contamination conditions, compared to traditional hardened steel alloys. This innovation directly addresses the industry's pressing needs for reduced downtime, lower total cost of ownership, and enhanced sustainability through extended maintenance intervals. The new material significantly improves resistance to abrasion, cavitation, and micro-pitting. It is now available for select high-pressure axial piston pump models, with plans for a broader rollout across product lines in the coming year. This development is expected to set a new benchmark for reliability in construction, mining, and industrial automation sectors.

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12-26 2025

Premium Hydraulic Pump Parts Launched for Enhanced Performance

A leading hydraulic pump accessories company has introduced a new series of high-precision replacement parts, designed to improve system efficiency and durability. The line includes pistons, seals, and valves compatible with major pump brands, ensuring reliable performance under extreme conditions. Manufactured with certified materials, these parts reduce downtime and maintenance costs for industrial and mobile equipment. The company emphasizes strict quality control and offers global shipping with technical support. This release aims to meet growing demand for durable hydraulic solutions, helping businesses maximize equipment lifespan. For specifications and purchasing, visit the official website or contact authorized distributors.

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12-15 2025

OUSTER Hydraulics Launches A4VG Series Hydraulic Pump

Quzhou, China – Quzhou Ouster Hydraulic Co., Ltd. has officially launched its core product: the A4VG Series Axial Piston Variable Pump. Designed for heavy-duty machinery, this pump series excels in high reliability, efficiency, and power output. The A4VG pump utilizes a proven swashplate design with various control options, precisely meeting the demands of complex hydraulic systems. It effectively helps customer equipment achieve energy savings and enhanced performance. Its robust construction ensures long-lasting, stable operation in demanding environments such as mining and construction. This launch strengthens Aosi Hydraulics' position in the high-end hydraulic components market and underscores its commitment to providing superior solutions.

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12-08 2025

Precision Hydraulic Pump Parts Manufacturer Expands Global Reach with Innovative Solutions

QUZHOU OUSTER HYDRAULIC CO.,LTD, a leading manufacturer of high-performance hydraulic pump parts, announces expanded production capabilities to meet growing global demand. Specializing in precision-engineered pistons, cylinders, valves, and housings, the company serves OEMs and repair markets across construction, agriculture, and industrial machinery sectors. The expansion includes state-of-the-art CNC machining and stringent quality control processes, ensuring durability and exact compatibility with major pump brands. "Our focus is on reliability and innovation," stated the CEO. "We are committed to providing cost-effective, high-quality parts that minimize downtime for our clients worldwide." This strategic growth enhances QUZHOU OUSTER HYDRAULIC CO.,LTD's ability to deliver efficient hydraulic solutions and reinforces its position as a trusted partner in the fluid power industry.

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