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Liugong Wheel Loader Gear Hydraulic Pump 11C3703
FUNCTION
1. Provides Hydraulic Power Source: Converts the mechanical energy output by the engine into hydraulic energy, driving the loader's working implements. This ensures the loader can efficiently execute heavy-duty operations such as digging, lifting, and unloading.
2. Supports Coordinated Operation of Multiple Actuators: Delivers a stable flow of high-pressure hydraulic fluid, which is distributed via multi-way directional control valves to hydraulic cylinders-such as the boom and bucket cylinders-to facilitate precise and smooth compound movements.
3. Ensures Steering and Auxiliary Hydraulic Functionality: In certain machine configurations, it can simultaneously or independently supply hydraulic power to the steering system and auxiliary attachments.
Working Principle
The engine drives a pair of meshing gears within the pump to rotate; this creates a vacuum in the suction chamber, drawing in hydraulic fluid, while the gears simultaneously generate high-pressure fluid output through compression in the discharge chamber. The high-pressure fluid is then distributed to various hydraulic actuators via a priority valve or a multi-way valve to execute a range of operations.
Advantages
| Performance Advantage | Detailed Description | Specific Performance & Benefits |
|---|---|---|
| Stable Flow & Quick Response | Output flow is directly proportional to engine speed; strong self-priming ability and fast startup | Linear and rapid action response; smooth boom and bucket movements; improved operating efficiency |
| High-Pressure Output Capability | Rated working pressure 20–25 MPa, maximum up to 25 MPa | Provides powerful digging and lifting force; ideal for heavy material loading and earthmoving |
| Simple Structure & High Reliability | Dual-gear meshing design with fewer parts; robust mechanical structure and low failure rate | Adapts well to harsh conditions (dust, high temperature, vibration); supports continuous long-hour operation; known as a "durable work pump" |
| Wear Resistance & Long Service Life | High-precision machined gears and high-strength housing; good impact and contamination resistance | Extended service life; longer maintenance intervals; reduced equipment downtime |
| Good Energy Utilization Efficiency | Relatively high volumetric efficiency; low flow pulsation; lower energy loss | More fuel-efficient compared to some older pumps; reduces extra load on the engine |
| Low Noise & Low Vibration | Optimized gear meshing and oil circuit design for smooth operation | Reduces operator fatigue; lowers overall equipment vibration; improves comfort |
| Low Maintenance Cost | Simple structure, easy disassembly and assembly; high parts interchangeability (original and aftermarket like Hansen series readily available) | Low repair threshold and controllable cost; suitable for daily maintenance on small to medium job sites |
| Strong Environmental Adaptability | Resistant to high temperature and impact; moderate requirements on hydraulic oil cleanliness; flexible installation | Widely suitable for various harsh environments such as mines, quarries, and construction sites |
DETAILS
| DESCRIPTION | Wheel Loader Gear Hydraulic Pump | PART NUMBER | 11C3703 |
| WEIGHT |
10KG |
VOLUME |
180mm*140mm*120 mm |
| TRUCK MOLDE | Liugong | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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