HENGYUHANG Plunger Pump 169-4883 & 10R-3875 Perfect Replacement for CAT Hydraulic Piston Pump
In heavy-duty hydraulic systems, a reliable hydraulic piston pump is essential for stable pressure output and efficient power transmission. CAT hydraulic piston pumps are widely used in construction, mining, and industrial machinery. However, the high cost of original CAT pumps and long lead times have encouraged many users to look for a dependable CAT hydraulic piston pump replacement.
HENGYUHANG plunger pump 169-4883 and 10R-3875 are engineered to be a perfect replacement for CAT hydraulic piston pumps, providing OEM-level performance, full compatibility, and a more cost-effective solution.
What Is a Hydraulic Plunger Pump?
A hydraulic plunger pump, also referred to as a hydraulic piston pump, generates hydraulic energy through the reciprocating motion of multiple plungers inside a rotating cylinder block. This structure allows the pump to operate under high pressure, high efficiency, and continuous working conditions.
Due to these characteristics, hydraulic piston pumps are commonly used in CAT hydraulic systems and other demanding applications.
The main functions of a hydraulic piston pump include:
Generating stable high-pressure hydraulic power
Delivering continuous and precise flow output
Supporting heavy loads and long operating cycles
Improving overall hydraulic system efficiency
The following table shows the technical specifications of HENGYUHANG plunger pump 169-4883 and 10R-3875, designed to match CAT hydraulic piston pump standards.
| Parameter | Specification |
|---|---|
| Product Model | HENGYUHANG Plunger Pump 169-4883 / 10R-3875 |
| Pump Type | Axial Hydraulic Plunger Pump |
| Replacement For | CAT Hydraulic Piston Pump |
| Rated Pressure | Up to 35 MPa |
| Maximum Pressure | Up to 40 MPa |
| Flow Rate | High-efficiency, stable flow output |
| Rotation Speed | Compatible with CAT hydraulic systems |
| Operating Speed Range | OEM standard RPM |
| Working Medium | Hydraulic Oil |
| Operating Temperature Range | -20°C to +90°C |
| Mounting Interface | CAT standard, direct replacement |
| Installation | Plug-and-play, no modification required |
| Application System | CAT construction & industrial hydraulic systems |
| Manufacturing Process | Precision machining, OEM-level |
| Quality Testing | 100% pressure and performance tested |
Hydraulic piston pumps are widely used in various industries, including:
Construction machinery (excavators, loaders, bulldozers)
Mining and quarry equipment
Agricultural machinery
Industrial hydraulic systems
Marine and offshore equipment
Energy and power machinery
Both CAT hydraulic piston pumps and HENGYUHANG plunger pumps are trusted solutions in these industries.
CAT hydraulic piston pumps are globally recognized and offer several advantages:
Strong international brand reputation
Proven performance in harsh working environments
Stable pressure output
Long service life with proper maintenance
These advantages make CAT pumps widely used in OEM equipment.
Despite their strong performance, CAT hydraulic piston pumps also have some limitations:
High purchase and replacement cost
Expensive spare parts
Long delivery lead times in many regions
Limited flexibility for aftermarket sourcing
As a result, many customers seek a high-quality CAT hydraulic piston pump replacement.
HENGYUHANG plunger pump 169-4883 and 10R-3875 are designed to replace CAT hydraulic piston pumps directly, without compromising system performance.
Identical mounting dimensions
OEM-matching pressure and flow performance
Direct installation into CAT hydraulic systems
High-strength materials and precision machining
Reliable operation under high-pressure conditions
Long service life in heavy-duty applications
Compared with original CAT hydraulic piston pumps, HENGYUHANG plunger pumps provide:
Lower procurement cost
Reduced maintenance expenses
Excellent overall cost-performance ratio
Short production lead times
Stable manufacturing capacity
Flexible global logistics support
Choosing HENGYUHANG plunger pump 169-4883 and 10R-3875 means choosing a proven CAT hydraulic piston pump replacement with clear benefits:
OEM-level performance and reliability
Competitive pricing advantage
Stable and strict quality control
Wide range of industry applications
Professional technical and after-sales support
If you are searching for a reliable and cost-effective CAT hydraulic piston pump replacement, HENGYUHANG plunger pump 169-4883 and 10R-3875 is the ideal solution. With full compatibility, stable performance, and competitive pricing, HENGYUHANG plunger pumps help reduce operating costs while maintaining hydraulic system efficiency.

No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province



