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Introduction to the Excavator Hydraulic Axial Piston Pump MVP48.45 for LiuGong 950 - 970
In the realm of construction machinery, the excavator stands as a workhorse, and at the heart of its efficient operation lies the hydraulic system. Central to this system is the hydraulic axial piston pump, and the MVP48.45 designed specifically for LiuGong 950 - 970 excavators is a prime example of advanced engineering and reliability. This pump is not just a component; it is a key enabler of the excavator's high - performance operation, ensuring smooth and powerful hydraulic actuation for a variety of tasks.
1. Product Overview
The MVP48.45 hydraulic axial piston pump is a precision - engineered product, meticulously designed to meet the exacting demands of LiuGong 950 - 970 excavators. Its compact and robust structure is a result of state - of - the - art manufacturing techniques, combining lightweight materials with high - strength alloys to achieve optimal durability and performance.
1.1 Design Features
- Axial Piston Design: The axial piston design of the MVP48.45 offers several advantages over other pump designs. The pistons are arranged in a circular pattern around a central shaft, which allows for a more uniform distribution of forces during operation. This results in reduced wear and tear on the pump components, leading to a longer service life.
- High - Pressure Capability: This pump is capable of generating high hydraulic pressures, typically reaching up to [X] bar. This high - pressure output is crucial for the excavator to perform heavy - duty tasks such as digging deep trenches, lifting large loads, and breaking through tough ground surfaces.
- Variable Displacement: The MVP48.45 features variable displacement technology, which means that the volume of hydraulic fluid it pumps can be adjusted according to the needs of the excavator's operation. When the excavator is performing light - duty tasks, the pump can reduce its displacement to save energy and reduce wear. Conversely, during heavy - duty operations, the pump can increase its displacement to provide the necessary power.
1.2 Material Quality
- Premium Alloys: The pump's housing and key internal components are made from high - quality alloys. These alloys are chosen for their excellent mechanical properties, including high tensile strength, corrosion resistance, and wear resistance. The use of such materials ensures that the pump can withstand the harsh operating conditions of construction sites, where it may be exposed to dust, moisture, and high - stress loads.
- High - Grade Sealing Materials: To prevent hydraulic fluid leakage and maintain the integrity of the hydraulic system, the MVP48.45 is equipped with high - grade sealing materials. These seals are designed to withstand high pressures and temperatures, ensuring a long - lasting and leak - free operation.
2. Performance Advantages
2.1 High Efficiency
- Energy - Saving Operation: Thanks to its advanced design and variable displacement mechanism, the MVP48.45 operates with high efficiency. It can precisely match the hydraulic power output to the actual work requirements of the excavator, minimizing energy waste. This not only reduces fuel consumption but also lowers the operating costs of the excavator.
- Fast Response Time: The pump has a fast response time, which allows for quick and smooth operation of the excavator's hydraulic actuators. Whether it's extending the boom, retracting the arm, or rotating the turntable, the MVP48.45 can provide the necessary hydraulic power almost instantaneously, enhancing the overall productivity of the excavator.
2.2 Smooth Operation
- Low Vibration and Noise: The axial piston design and the high - quality manufacturing of the MVP48.45 result in low vibration and noise levels during operation. This not only provides a more comfortable working environment for the excavator operator but also reduces the stress on the pump and other components of the hydraulic system, contributing to their longer service life.
- Stable Flow Output: The pump is designed to provide a stable flow of hydraulic fluid, regardless of the operating conditions. This ensures that the excavator's hydraulic actuators move smoothly and precisely, enabling the operator to perform delicate tasks with ease.
2.3 Durability
- Robust Construction: As mentioned earlier, the use of high - quality materials and advanced manufacturing techniques makes the MVP48.45 a highly durable pump. It can withstand the repeated high - stress cycles and harsh environmental conditions that are typical of construction site operations.
- Long - Lasting Components: The internal components of the pump, such as the pistons, cylinders, and valves, are designed for long - term use. They are made from wear - resistant materials and are engineered to maintain their performance over an extended period, reducing the frequency of component replacements and downtime.
3. Compatibility with LiuGong 950 - 970 Excavators
3.1 Perfect Fit
The MVP48.45 is specifically designed to be a direct replacement for the original hydraulic axial piston pumps in LiuGong 950 - 970 excavators. It has the exact same mounting dimensions and connection interfaces as the original pumps, ensuring a seamless installation process. This eliminates the need for any modifications to the excavator's hydraulic system, saving both time and cost during replacement.
3.2 Optimal System Integration
- Hydraulic System Compatibility: The pump is fully compatible with the hydraulic system of LiuGong 950 - 970 excavators. It can work in harmony with other components of the hydraulic system, such as the valves, hoses, and cylinders, to ensure the smooth operation of the excavator.
- Electrical and Control Compatibility: In addition to hydraulic compatibility, the MVP48.45 is also compatible with the excavator's electrical and control systems. It can communicate with the excavator's control unit to receive and execute commands accurately, enabling the operator to control the excavator's hydraulic functions with precision.
4. Applications in Construction Operations
4.1 General Excavation Work
- Earthmoving: In large - scale earthmoving projects, the LiuGong 950 - 970 excavators equipped with the MVP48.45 pump can efficiently move large volumes of soil, sand, and gravel. The high - pressure and high - flow output of the pump enable the excavator to dig deep and load materials quickly, increasing the productivity of the construction site.
- Trench Digging: For projects that require the digging of trenches, such as for laying pipelines or foundations, the precise control and high - power output of the MVP48.45 - equipped excavator are essential. The pump can provide the necessary hydraulic force to cut through the ground accurately and create trenches of the required depth and width.
4.2 Demolition Work
- Building Demolition: When demolishing buildings, the excavator needs to have the power to break through concrete walls, steel structures, and other tough materials. The high - pressure capability of the MVP48.45 pump allows the excavator to use hydraulic breakers and other demolition attachments effectively, making the demolition process faster and safer.
- Site Clearance: After the demolition of a building, the excavator is often used to clear the debris from the site. The smooth operation and high - flow output of the pump enable the excavator to handle the debris - handling tasks efficiently, whether it's loading the debris onto trucks or moving it to a designated area.
4.3 Infrastructure Construction
- Road Building: In road - building projects, the excavator is used for tasks such as grading the roadbed, digging drainage ditches, and handling construction materials. The MVP48.45 pump ensures that the excavator can perform these tasks with precision and power, contributing to the quality and speed of the road - building process.
- Bridge Construction: For bridge construction, the excavator may be used for tasks such as excavating the foundation pits, handling heavy bridge components, and assisting in the construction of the bridge piers. The compatibility and high - performance of the MVP48.45 pump make it an ideal choice for these demanding bridge - construction operations.
5. Quality Assurance and After - Sales Service
5.1 12 - Month Warranty
The MVP48.45 hydraulic axial piston pump comes with a 12 - month warranty, which is a testament to the manufacturer's confidence in the product's quality and reliability. During this warranty period, if the pump fails due to manufacturing defects or material quality issues, the manufacturer will provide free repair or replacement services.
5.2 Technical Support
- Expert Team: The manufacturer has a team of experienced technical experts who are available to provide support to customers. Whether it's answering technical questions, providing installation guidance, or troubleshooting problems, the technical team can offer timely and professional assistance.
- Online Resources: In addition to direct communication with the technical team, the manufacturer also provides online resources such as product manuals, installation guides, and troubleshooting guides. These resources are easily accessible to customers, allowing them to quickly find the information they need.
5.3 Spare Parts Availability
- Reliable Supply Chain: The manufacturer has established a reliable supply chain for spare parts. This ensures that customers can quickly obtain the necessary spare parts for the MVP48.45 pump, minimizing downtime in case of component failures.
- Quality Spare Parts: The spare parts are also made from high - quality materials and are strictly tested to ensure their compatibility and performance. This guarantees that the replacement parts will maintain the same high - quality standards as the original pump components.
In conclusion, the Excavator Hydraulic Axial Piston Pump MVP48.45 for LiuGong 950 - 970 is a high - performance, reliable, and cost - effective solution for the hydraulic power needs of these excavators. Its advanced design, excellent performance, perfect compatibility, and comprehensive after - sales service make it an ideal choice for construction companies and equipment owners who demand the best for their excavators. Whether it's a large - scale construction project or a small - scale renovation job, the MVP48.45 - equipped LiuGong 950 - 970 excavators are sure to deliver outstanding performance and value.
Pump |
Product Name |
Pison Pump |
Model NO. |
MVP48/45 |
Material |
Cast Iron |
Rotate Direction |
Right |
Speed |
3000rpm |
Pressure |
30Mpa |
Application |
Excavator |
Seals |
Fluorine rubber |
Operating temperature |
80ºC |
Weigh |
22 KG |
Specification |
175*238*280 |
Delivery cycle |
7Days |
Minimum quantity |
1 |
Warranty period |
12months |
Quality standard |
CE/ISO9001 |
condition |
Brand-New |
Control Method |
Electronic |
Control Voltage |
24V |
Flow |
45ml/min |
Remarks |
For LiuGong 950/952/956/960/965/968/970 |
Installation hole pitch A |
146 |
Installation hole pitch B |
|
Hole diameter*number of holes |
Φ13*2 |
Rabbet Diameter |
Φ101.6 |
Rabbet height |
9.5 |
Output shaft diameter |
Φ21.8 |
Shaft length |
33 |
Number of spline teeth |
13 |
Flat key size |
|
Total height |
175*238 |
Total length |
280 |
Oil inlet |
69.9*35.7-Φ40 |
High-pressure oil port |
52.4*26.2-Φ25 |
Oil drain port |
U7/8 |
Tapered shaft size |
|
Remarks |
|
Other configurations |
|
FAQ
Q: How to guarantee the same?
A: Before sending, I will take pictures. After confirmation, I send.
Q: When to ship?
A: Once getting payment then arrange.
Q: Import customs fee?
A: It depends on import country. I can make lower valve so that you can pay lower customs fee even no need to pay.
Q: How long for transport?
A: For express/ air, it takes about 5 days. For land/ sea, it takes about one month. It depeds on your address.
Q: Product usage?
A: If any problem about usage, I will solve at first time.
Q: What Is The Payment Terms?
A: Full order: 30% as deposit, the balance before shipment:
Small order /sample order: full payment in advance.
Q: Can I Mark My Own Brand On The Pump?
A: Yes. Full order can mark your brand and code.
Q: How Long Is Guarantee?
A: We give 1 year guarantee.
Our product range primarily focuses on brand-new fan pumps, fan motors, and travel motors for excavators. These components are meticulously crafted using advanced manufacturing techniques and premium materials. Each piece undergoes rigorous quality control procedures throughout the production process to ensure optimal performance and durability.One of the key highlights of our service is the provision of a 12-month quality guarantee for customers worldwide. This commitment reflects our confidence in the reliability of our products. We understand the importance of minimizing downtime in the construction and heavy machinery sectors, and our quality assurance aims to give our clients peace of mind when using our equipment.
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






Excavator PC200-3,PC200-5,PC200-6,PC200-7,PC200-8 Hydraulic Main Pump Parts |
PC220-5,PC300-5,PC300-6,PC300-7,PC400-5 |
PC60-3,PC60-5,PC100-3,PC100-5,PC120-3,PC120-5,PC200-1,PC220-1,PC150-1,PC220-3 |
PC210-6,PC220-6,PC220-7,PC300-3,PC400-3,PC400-5,PC400-6 Hydrauic Main Pump Parts |
Hydraulic Main Pump Assembly |
K3V112DTK/K5V140DTK of 6LOO type Regulator ; Interchangeable PC200-3 & 5 |
K3V112DTK/K5V140DTK of load sensing control type Regulator ; Interchangeable PC200-6 |
K3V112DTK/K5V140DTK of load sensing control type Regulator ; Interchangeable PC200-7 & 8 |
Hydraulic Pump Spare Parts |
HPV35,HPV71,HPV75,HPV90,HPV95,HPV100,HPV132,HPV140,HPV160,HPV165,KPV90,KPV105,KPV90,KPV90 |
KMF41,KMF125 |
REXROTH SERIES HYDRAULIC PUMP /MOTOR |
A4V40; A4V56; A4V71; A4V125; A4V250; A4VFO28; A4VSO40; A4VSO71; A4VSO125; A4VSO180; A4VSO250; A4VSO355; A4VSO500; A4VF500 / A4F500; A4VG28 (A4F028); A4VG50;; A4VG40; A4VG45 A4VG56; A4VG71; A4VTG71; A4VG90 (A4VT90HW / 32R); A4VHW90; A4VTG90 charge pump (Laid thick); A4VG125; A4VG125 Charge pump; A4VG125 charge pump (general use type); A4VG125 charge pump (A10VO28 string type); |
Rexroth Bent Axis Pump Series |
A2F5;A2F12;A2F23;A2VK28;2VK28;A2F28;A2F55;A2F80;A2F107;A2F160;A2F200; A2V225;A2F250;A2V500;A2V915;A2F355;A2F500;A2F1000;A2FO10;A2FO12;A2FO16;A2FO23;A2FO28;A2FO32;A2FO45; A2FO56; A2FO63; A2FO80; A2FO90 / A2FE90; A2FO107; A2FO125 (A2FM125); A2FO200;; A2FO160; A2FO180 A2FO250; A2FO500; A6V28; A7V55 / A8V55; A7V58; A7V80 / A8V80; A7V107 / A8V107; A7V160 / A8V160; A7V200; A7V225 ; A7V250; A7V355; A7V500; A6VM / A7V1000; A6VM / A7VO12; A7VO28; A7VO55; A7VO80; A7VO107; A7VO160; A6VM160; A6VE160; A6VM200; A6VM500; A7VO172; A7VO200; A7VO250; A7VO355; A7VO500. |
Our Product Range |
Hydraulic Pump Parts |
Hydraulic pump parts |
Cylinder block |
Press pin |
Piston motor |
Piston shoe |
Snap ring |
Piston pump |
Retainer plate |
Coil spring |
Gear pump |
Ball guide |
Disk spring |
Charge pump |
Valve plate |
Barrel washer |
Pilot pump |
Shoe plate |
Oil seal |
Vane pump |
Bearing plate |
Frication plate |
Repair OEM parts |
Swash plate |
Steel plate |
Motor spare parts |
Drive shaft |
Metal |