• PVK Series Hydraulic Pump | Variable Displacement Piston Pump (For Excavators & Construction Machinery)

The PVK series hydraulic pump is a high-performance variable displacement piston pump developed by YEOSHE Hydraulic Technology for excavators and construction machinery. Featuring a compact design, it can be installed in space-limited engine compartments, and is equipped with a Constant Power Control mechanism, allowing the pump to automatically adjust output according to operating conditions, maximizing engine performance and improving overall working efficiency and productivity.

The PVK series is especially suitable for 4–5 ton class excavators, offering high efficiency, stability, and durability. It provides a reliable and cost-effective hydraulic solution for small to mid-size construction equipment. Through variable control, constant power output, and high-efficiency structural design, it enhances machine response and productivity while reducing energy consumption, making it ideal for both OEM and aftermarket applications.

• Features

• Constant Power Control Design
  Automatically matches engine output power to prevent overload and energy loss, improving fuel efficiency and operational stability.
• Compact Structure
  Suitable for installation in limited engine compartment space, ideal for small and mid-size excavators.
• High-Efficiency Variable Piston Structure
  Optimized piston and flow path design improves volumetric and mechanical efficiency, ensuring stable output under high-load conditions.
• Heavy-Duty Durable Design
  Designed for long operating hours and demanding environments, reducing maintenance requirements and extending service life.

• Specifications