Zhonglian 205 excavator Hydraulic Pump

2 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

4 year

Product details

Zoomlion 205 (ZE205E) Excavator Hydraulic Pump: Core Information

I. Technical Specifications & Compatible Models

1. Model & Type

• Main Pump Model: The Zoomlion ZE205E excavator typically uses adual variable-displacement pump(some sources indicate compatibility with Kawasaki K3V112 series pumps), manufactured by Kawasaki or domestic suppliers.

• Type: Swashplate-type axial piston pump, supporting high-pressure output and automatic flow adjustment for optimized energy efficiency.

2. Key Performance Parameters

• Main Pump Flow: 2×206 L/min (total 412 L/min), meeting demands for simultaneous excavator operations.

• System Pressure: Rated pressure 32.4 MPa, peak pressure up to 35.3 MPa, suitable for heavy-duty tasks.

• Engine Matching: Equipped with a Cummins 6BTAA5.9-C engine (rated power 112 kW/1950 rpm), ensuring power coordination with the pump.

3. Compatible Models

• Zoomlion Series: ZE205E, ZE215E, and other 20–21-ton medium excavators.

• Cross-Brand Compatibility: Some K3V112 pumps may fit models like Kobelco SK200-8 and Sany SY215C, but interface/system compatibility must be verified.

II. Hydraulic Pump Functions & Design Features

1. Intelligent Flow Control

• The pump adjusts flow automatically based on load, enabling proportional control of actuators (e.g., boom, bucket) and reducing power waste.

• Integrated with advanced electronic control systems to optimize power matching and lower fuel consumption.

2. Durability & Reliability

• Materials: High-strength cast iron for the pump body; wear-resistant treatments for critical components (e.g., pistons, valve plates).

• Sealing Design: Multi-layer seals prevent hydraulic oil leakage, extending service life.

• Thermal Management: Built-in high-efficiency cooling modules for operation in high-temperature environments.

3. Maintenance Convenience

• Centralized filter layout (hydraulic oil filters, air filters) allows ground-level replacement, shortening downtime.

• Modular pump structure simplifies rapid disassembly and fault diagnosis.

IV. Application Scenarios & Advantages

1. Typical Use Cases

• Earthmoving: Efficient digging, loading, and swinging for enhanced productivity.

• Infrastructure Construction: Precision control for pipeline laying, foundation excavation, etc.

• Mining Operations: Reliable performance in harsh environments, minimizing downtime.

2. Core Advantages

• High Power: Dual-pump design provides ample flow for multi-action compound operations.

• Energy Efficiency: Smart flow control reduces fuel consumption by 10%–15%.

• Robustness: Reinforced pump body and sealing design withstand intense workloads.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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