- Bucher Hydraulic Pumps, Internal Gear Pumps, External Gear Pumps & Axial Piston Pumps
About Bucher Hydraulics
Bucher Hydraulics is an internationally established manufacturer of advanced hydraulic components and electrohydraulic solutions. The company offers a comprehensive range of hydraulic pumps and motors for industrial, mobile and special-purpose machinery.
Bucher Hydraulics is particularly recognised for its internal gear pump technology, external gear pumps and specialised axial piston pumps.
Global Hydraulic Solution offers sourcing and supply assistance for Bucher hydraulic pumps, motors and spare parts to customers across India.
Our product range caters to various hydraulic requirements in manufacturing industries, plastic processing, pressure die casting, hydraulic presses, construction machinery, agricultural equipment, material handling and industrial automation.
1. Bucher Internal Gear Pumps – QX Series
The Bucher QX series is a fifth-generation internal gear pump range designed for high-pressure hydraulic applications. Its compact construction and specially developed gear profile help reduce noise and flow pulsations while maintaining high efficiency.
Key features:
- High-pressure operation.
- Low noise and low flow pulsation.
- Compact and robust construction.
- Long service life.
- Suitable for fixed-speed and variable-speed drives.
- Available in multiple displacement configurations.
Model series and frame sizes:
| Series | Displacement range |
|---|---|
| QX2 | 3–16 cc/rev |
| QX3 | 10–32 cc/rev |
| QX4 | 20–63 cc/rev |
| QX5 | 40–100 cc/rev |
| QX6 | 80–250 cc/rev |
| QX8 | 160–450 cc/rev |
The QX range supports continuous operating pressures up to 360 bar and intermittent pressures up to 400 bar, depending on frame size and configuration.
Industrial applications:
- Hydraulic presses
- Plastic injection moulding machines
- Pressure die-casting machines
- Machine tools
- Hydraulic elevators and lift drives
- Waste compactors
- Industrial hydraulic power packs
- Forklifts and stackers
2. Bucher QXEH Variable-Speed Internal Gear Pumps
The QXEH series is designed for highly dynamic hydraulic systems using variable-speed electric drives. Pump output can be controlled by adjusting the drive speed, helping improve energy efficiency and system performance.
Main features:
- Variable-speed pump operation.
- High dynamic response.
- Low-noise performance.
- Compact design.
- Energy-efficient hydraulic drive solutions.
Applications:
- Plastic injection moulding
- Die-casting machinery
- Industrial automation
- Energy-efficient hydraulic power units
- Variable-speed hydraulic systems
3. Bucher QXEHX High-Speed Internal Gear Pumps
The QXEHX is designed for highly dynamic hydraulic applications requiring very high pump speeds. It is particularly suitable for modern electric-drive machinery where compactness, responsiveness and reduced energy consumption are important.
Key features:
- High-speed operation up to 6,050 rpm, depending on configuration.
- Working pressure up to 280 bar.
- Low noise emission.
- High power density.
- Suitable for fixed and variable-speed drives.
Applications:
- Plastic injection moulding machines
- Pressure die-casting machines
- High-speed industrial machinery
- Electric hydraulic drive systems
4. Bucher QXV Low-Viscosity Internal Gear Pumps
The Bucher QXV series is specially designed for pumping low-viscosity hydraulic fluids and other specialised fluids. Its bearing and lubrication design supports reliable operation under demanding fluid conditions.
Features:
- Designed for low-viscosity fluids.
- Specialised internal gear pump construction.
- Suitable for selected fire-resistant and specialised hydraulic fluids.
- Reliable operation in industrial applications.
Applications:
- Special industrial hydraulic systems
- Marine hydraulic applications
- Industrial fluid-handling equipment
- Hydraulic systems using specialised fluids
5. Bucher QXP Metering Internal Gear Pumps
The QXP series is designed for accurate metering and conveying of fluids used in polyurethane manufacturing. These pumps are suitable for applications requiring precise fluid delivery and controlled flow.
Features:
- Accurate fluid metering.
- Designed for variable-speed drives.
- Suitable for low and high-viscosity fluids within specified operating limits.
- Displacement options up to 500 cc/rev.
- Working pressure up to 250 bar.
Applications:
- Polyurethane production plants
- PU foam manufacturing
- Chemical processing machinery
- Industrial metering systems
6. Bucher QXM Internal Gear Pump/Motor Units
The QXM series is designed for applications requiring pump and motor operation in multi-quadrant hydraulic systems.
Features:
- Pump and motor operating capability.
- Suitable for energy recovery and controlled drive applications.
- Compact internal gear technology.
- Designed for dynamic hydraulic systems.
Applications:
- Industrial drive systems
- Test benches
- Special-purpose machinery
- Multi-quadrant hydraulic circuits
7. Bucher QXEM Variable-Speed Pump/Motor Units
The QXEM range combines variable-speed operation with multi-quadrant functionality. It is intended for advanced hydraulic drive systems requiring controlled acceleration, deceleration and energy-efficient operation.
Applications:
- Advanced industrial machinery
- Variable-speed hydraulic systems
- Energy-efficient drive units
- Special-purpose industrial equipment
8. Bucher QYEH Internal Gear Pump Units
The QYEH range is designed for low-noise and high-efficiency hydraulic pump unit applications.
Applications:
- Industrial hydraulic power units
- Machinery requiring low-noise hydraulic operation
- Special industrial hydraulic systems
The QYEH, QXM and QXEM are distinct product families, not interchangeable pump models.
9. Bucher Hydraulic Motors
In addition to hydraulic pumps, Bucher offers hydraulic motor and pump/motor solutions for various industrial and mobile applications.
| Product family | Description | Applications |
|---|---|---|
| QXM | Internal gear pump/motor unit | Industrial drive systems |
| QXEM | Variable-speed pump/motor unit | Advanced hydraulic drives |
10. Why Choose Global Hydraulic Solution for Bucher Pumps?
Global Hydraulic Solution focuses on sourcing imported hydraulic pumps, motors, valves and spare parts for industrial customers throughout India.
- Assistance in identifying Bucher pump models.
- Sourcing of internal and external gear pumps.
- Hydraulic pump and motor procurement.
- Support for replacement pump requirements.
- Assistance with spare parts identification.
- Solutions for OEMs, manufacturers and maintenance departments.
- Support for domestic and industrial customers.
15. Enquire for Bucher Hydraulic Pumps in India
Looking for Bucher Hydraulic Pumps?
Whether you require a QX internal gear pump, AP external gear pump, AX axial piston pump or Bucher pump spare parts, contact our team for sourcing assistance and a quotation.
Send us your complete model number, part number or pump nameplate photograph for identification and quotation.
Technical note: This page describes the manufacturer's product families. Exact model configurations, pressure ratings, rotation, displacement and compatibility must be verified against the individual manufacturer's datasheet before offering a replacement.
Brand names identify the products or equipment being sourced. Global Hydraulic Solution provides sourcing assistance; manufacturer affiliation is not implied. Verify the complete model, operating specifications and compatibility before ordering.
