Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
A2FE90/61W-VZL181-K A2FE90/61W-VZL192J-K A2FE107/61W-VZL181-S Rexroth Quantitative Piston Pump Motor A2FE90 107 Series Displacement Hydraulic Piston Pump Made in Germany
A2FE Series Hydraulic Motors - Product Details Page
Product Overview
The A2FE series axial piston hydraulic motors are fixed-displacement motors designed for high-pressure hydrostatic drives in open or closed circuits. These motors feature a spherical piston design with robust construction, providing reliable performance in demanding industrial and mobile applications. This page details the specifications and features of models A2FE90/61W-VZL181-K, A2FE90/61W-VZL192J-K, and A2FE107/61W-VZL181-S.
Key Features & Benefits
High Pressure Operation: Continuous operating pressure up to 32 MPa, with peak pressure tolerance up to 31.5 MPa
Spherical Piston Design: Self-aligning piston and cylinder block interface reduces wear and enhances efficiency
Compact Installation: Central flange mounting allows for space-saving integration
High Power Density: Optimized design delivers high torque output in a compact package
Construction Equipment: Drilling rigs, pile drivers, compactors
Agricultural Machinery: Combine harvesters, tractors, irrigation systems
Installation Guidelines
Pre-Installation Checks
Verify motor shaft rotates freely by hand
Check for any visible damage during transport
Ensure mounting surface is clean and flat
Confirm hydraulic connections match port sizes
Mounting Procedure
Alignment: Ensure motor shaft aligns with driven equipment without imposing radial or axial loads
Bolting: Use evenly tightened bolts (recommended torque: 80-100 Nm for M12 bolts)
Coupling: Use flexible coupling to accommodate minor misalignments
Port Connections: Use appropriate seals and ensure connections are leak-free
Hydraulic System Requirements
Fluid Cleanliness: NAS 1638 Class 8 or better (ISO 4406 18/16/13)
Filtration: Use filters with β₍₁₀₎ ≥ 100
Oil Viscosity: 27-43 mm²/s at operating temperature
System Flushing: Flush system before motor installation
Maintenance & Operation
Start-Up Procedure
Fill system with recommended hydraulic fluid
Vent air from system (crack connections at highest points)
Start system at low pressure and check for leaks
Gradually increase pressure to operating level
Monitor temperature during initial operation
Routine Maintenance
Daily: Check for leaks, unusual noise, or vibration
Weekly: Check oil level and condition
Every 500 hours: Check filter condition
Every 1000-3000 hours: Change hydraulic oil (depending on operating conditions)
Every 2000 hours: Check mounting bolts and connections
Troubleshooting Signs
Low Speed: Check system pressure and flow
Overheating: Check oil level, cooling system, and load conditions
Noise/Vibration: Check for air in system or mechanical issues
Leakage: Check seals and connections
Frequently Asked Questions (FAQs)
1. What is the main difference between A2FE90 and A2FE107 models?
The primary difference is displacement: A2FE90 models have 90 cm³/rev displacement, while A2FE107 models have 107 cm³/rev. This means A2FE107 motors can deliver approximately 19% higher torque at the same pressure, making them suitable for applications requiring more power. Physical dimensions and mounting may differ, and flow requirements will be higher for the larger displacement motor.
2. What does the "VZL181-K" suffix indicate compared to "VZL181-S"?
Both suffixes indicate heavy-duty configurations, but the "K" and "S" endings typically denote different sealing arrangements, porting configurations, or mounting features. The "K" suffix often indicates special sealing or enhanced features, while "S" may indicate standard configuration. The "181" number refers to the specific design variation. Always refer to the manufacturer's documentation for exact differences between these configurations.
3. What is the torque output difference between A2FE90 and A2FE107 at 25 MPa pressure?
Theoretical torque output is calculated as: Torque (Nm) = Displacement (cm³/rev) × Pressure (MPa) ÷ 20π. At 25 MPa:
A2FE90: ≈ 358 Nm
A2FE107: ≈ 426 Nm
Actual torque will be slightly lower due to mechanical efficiency (typically 92-95%). The A2FE107 provides approximately 19% more torque at the same pressure.
4. Can A2FE107 motors be used in systems originally designed for A2FE90?
Not without system modifications. The higher displacement requires more hydraulic flow to achieve the same speed, which may exceed the capacity of the existing pump. Additionally, the higher torque output could overload other system components. System redesign, including pump sizing, valve selection, and possibly structural modifications, may be necessary. Always consult a hydraulic specialist before making such changes.
5. What are the flow requirements for these motors at maximum speed?
Flow requirement (L/min) = Displacement (cm³/rev) × Speed (rpm) ÷ 1000. At the maximum continuous speed of 2800 rpm:
A2FE90: 252 L/min
A2FE107: 300 L/min
These are theoretical values; actual system flow should be slightly higher to account for internal leakage and ensure proper performance. Ensure your hydraulic pump and system components can handle these flow rates at the required operating pressure.
Warranty & Support
These products typically carry a standard warranty period of 12 months from date of installation or 18 months from date of shipment (whichever comes first), subject to proper installation and operation within specified parameters. Warranty terms may vary by manufacturer and region.For technical support, contact authorized service centers with the complete model number and serial number.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
