F11-005 Parker Hydraulic Motor 4.9cc/rev 420bar 14000rpm

Model 1: F11-005

Product Overview

The F11-005 is the smallest displacement model in Parker’s F11 series of bent-axis fixed displacement axial piston motors, with 4.9 cm³/rev displacement. Featuring Parker’s unique spherical piston design with a 40° angle between shaft and cylinder barrel, this motor delivers exceptional power density in an extremely compact package. Our product serves as a direct interchange replacement for the original Parker F11-005 series motor, with identical mounting dimensions and port configurations.

Every unit undergoes 100% simulated duty-cycle testing—performance-validated under rated pressure, peak pressure, and full speed range to ensure volumetric efficiency, mechanical efficiency, torque output, noise levels, and thermal characteristics meet or exceed original OEM specifications. From precision-cast iron housing to laminated piston rings, every component is manufactured to the highest quality standards.

Technical Specifications 

• Model: F11-005

• Displacement: 4.9 cm³/rev

• Max. Intermittent Pressure: 420 bar

• Max. Continuous Pressure: 350 bar

• Max. Intermittent Speed: 14,000 rpm

• Max. Continuous Speed: 12,800 rpm

• Min. Continuous Speed: Approx. 50 rpm

• Theoretical Torque @ 100 bar: 7.8 Nm

• Moment of Inertia: 0.16 × 10⁻³ kg·m²

• Housing Material: Cast Iron

• Max. Drain Oil Temperature: 115°C

• Min. Ambient / Oil Temperature: -40°C

• Noise Level: ≤ 80 dBA

• Weight: Approx. 4.7 kg

Key Technical Advantages

1. Unique Spherical Piston Design
The patented spherical piston design with laminated piston rings significantly reduces internal leakage while delivering excellent thermal shock resistance.

2. Gear Synchronization & Double Tapered Bearings
Precision timing gears ensure exact phase synchronization between shaft and cylinder barrel, providing exceptional tolerance to high G-forces and torsional vibrations. Heavy-duty roller bearings support up to 400 kg radial load capacity.

3. Ultra-High Speed Capability
With a maximum intermittent speed of 14,000 rpm, the F11-005 offers class-leading speed performance among bent-axis piston motors in its displacement range.

4. Wide Temperature Range Operation
Operating temperature range from -40°C to +115°C enables reliable performance in both extreme cold and high-temperature environments.

Application Areas

• High-speed saw drive applications (chain saws, circular saws)

• Agricultural machinery (harvesters, balers)

• Construction equipment (mini-excavators, skid-steer loaders)

• Industrial high-speed hydraulic systems

• Winch drive systems

• Turf care equipment

Expert Maintenance Tips

1. Shaft seals and all O-rings must be replaced after every disassembly.

2. Pre-lubricate all moving parts with clean hydraulic fluid before assembly.

3. Monitor case drain flow regularly—an abnormal increase indicates potential piston ring or cylinder barrel wear.

4. Spherical piston rings worn beyond 50% must be replaced immediately.

5. Prime the motor housing with hydraulic oil before initial start-up.

Model 2: F11-010

Product Overview

The F11-010 is a mid-displacement model in Parker’s F11 series, offering 9.8 cm³/rev displacement. This is one of the most widely used specifications in the F11 series, providing an excellent balance between speed and torque for both open and closed-loop hydraulic circuits.

Our product provides a fully interchangeable direct replacement for the original Parker F11-010 series motor, with identical mounting dimensions, port specifications, and shaft configurations. Each unit undergoes 100% simulated duty-cycle testing—performance-verified under actual working pressure, flow, and speed conditions to ensure volumetric efficiency, mechanical efficiency, torque output, and thermal characteristics meet Parker’s original specifications.

Technical Specifications 

• Model: F11-010

• Displacement: 9.8 cm³/rev

• Max. Intermittent Pressure: 420 bar

• Max. Continuous Pressure: 350 bar

• Max. Intermittent Speed: 11,200 rpm

• Max. Continuous Speed: 10,200 rpm

• Min. Continuous Speed: Approx. 50 rpm

• Theoretical Torque @ 100 bar: 15.6 Nm

• Moment of Inertia: 0.39 × 10⁻³ kg·m²

• Housing Material: Cast Iron

• Max. Drain Oil Temperature: 115°C

• Min. Ambient / Oil Temperature: -40°C

• Noise Level: ≤ 80 dBA

• Weight: Approx. 6.5 kg

Key Technical Advantages

1. Optimal Balance of Speed and Torque
With 9.8 cm³/rev displacement, the F11-010 achieves an ideal balance between high-speed capability (11,200 rpm) and ample torque output (15.6 Nm/100 bar)—making it the most versatile model in the F11 series.

2. High Volumetric Efficiency
The laminated piston ring design minimizes internal leakage, ensuring stable output speed and torque even under high-load conditions.

3. Excellent Starting Performance
F11 motors deliver exceptionally high torque at start-up while maintaining smooth operation at low speeds. The unique timing gear design ensures precise synchronization.

4. High Vibration Resistance
Precision gear synchronization and double tapered bearing design ensure reliable operation in high G-force and torsional vibration environments—ideal for mobile machinery with frequent shock loads.

Application Areas

• Construction equipment (excavators, loaders)

• Agricultural machinery (combine harvester drives)

• Industrial hydraulic systems (presses, injection molding machines)

• Winch and hoist drive systems

• Forestry machinery (logging equipment)

• Material handling equipment

Expert Maintenance Tips

1. Shaft seals and all O-rings must be replaced after every service.

2. Lubricate all moving parts with clean hydraulic fluid before assembly.

3. Monitor case drain flow—a significant increase during operation indicates piston ring wear.

4. Spherical piston rings worn beyond 50% must be replaced immediately.

5. Ensure hydraulic system filtration meets Parker specifications (recommended β₁₀ ≥ 75) to maximize motor service life.

Model 3: F11-019

Product Overview

The F11-019 is a large-displacement model in Parker’s F11 series, offering 19.0 cm³/rev displacement. This is the “flagship” specification of the F11 small-frame series, delivering the highest power output capability in this frame size with maximum intermittent speed of 8,900 rpm.

Our product serves as a high-quality direct interchange replacement for the original Parker F11-019 series motor, with fully interchangeable mounting dimensions, port specifications, and shaft configurations. Every unit undergoes 100% simulated duty-cycle testing—full-performance validation at rated pressure (350 bar) and peak pressure (420 bar).

Technical Specifications 

• Model: F11-019

• Displacement: 19.0 cm³/rev

• Max. Intermittent Pressure: 420 bar

• Max. Continuous Pressure: 350 bar

• Max. Intermittent Speed: 8,900 rpm

• Max. Continuous Speed: 8,100 rpm

• Min. Continuous Speed: Approx. 50 rpm

• Theoretical Torque @ 100 bar: 30.2 Nm

• Moment of Inertia: 1.1 × 10⁻³ kg·m²

• Housing Material: Cast Iron

• Max. Drain Oil Temperature: 115°C

• Min. Ambient / Oil Temperature: -40°C

• Noise Level: ≤ 80 dBA

• Weight: Approx. 11 kg

Key Technical Advantages

1. Maximum Displacement, Highest Torque Output
With 19.0 cm³/rev—the largest displacement in the F11 small-frame series—this motor delivers 30.2 Nm theoretical torque at 100 bar. Combined with 420 bar operating pressure, it offers the highest power output capability in this frame size.

2. Laminated Piston Rings—Low Leakage, Thermal Shock Resistance
The laminated piston ring technology minimizes internal leakage while providing excellent thermal shock resistance.

3. Power Boost Option (Optional)
The F11-019 can be equipped with the optional Power Boost feature, reducing mechanical losses in high-speed applications.

4. Heavy-Duty Roller Bearings
Support up to 400 kg radial load capacity for demanding applications.

Application Areas

• Heavy construction equipment (medium excavators, loaders)

• Agricultural machinery (large harvesters)

• Industrial high-pressure hydraulic systems

• Winch and hoist systems

• Mobile machinery hydrostatic transmissions

Expert Maintenance Tips

1. Shaft seals and all O-rings must be replaced after every disassembly.

2. Thoroughly lubricate all components with clean hydraulic fluid before assembly.

3. Regularly check case drain flow—an abnormal increase indicates internal wear.

4. Due to the significant weight (approx. 11 kg), use proper lifting equipment during installation and removal.

5. Install return line filtration with β₁₀ ≥ 75.

Model 4: F11-028

Product Overview

The F11-028 is a medium-large displacement model in Parker’s F11 series, with 28 cm³/rev displacement. This model represents a key transition from the small-frame series (5-19 cc) to larger frames, making it ideal for medium-to-heavy duty applications requiring higher torque output.

Our product provides a fully interchangeable direct replacement for the original Parker F11-028 series motor, with identical mounting dimensions, port specifications, and shaft configurations. Each unit undergoes 100% simulated duty-cycle testing to ensure all performance indicators strictly meet or exceed OEM specifications.

Technical Specifications 

• Model: F11-028

• Displacement: 28 cm³/rev

• Max. Intermittent Pressure: 420 bar

• Max. Continuous Pressure: 350 bar

• Max. Intermittent Speed: Approx. 7,100 rpm

• Max. Continuous Speed: Approx. 6,400 rpm

• Min. Continuous Speed: Approx. 50 rpm

• Theoretical Torque @ 100 bar: Approx. 44.6 Nm

• Housing Material: Cast Iron

• Max. Drain Oil Temperature: 115°C

• Min. Ambient / Oil Temperature: -40°C

• Noise Level: ≤ 80 dBA

• Weight: Approx. 18 kg

Key Technical Advantages

1. Higher Torque Output
With 28 cm³/rev displacement—approximately 47% higher than F11-019 (19 cc)—this model delivers significantly enhanced torque output.

2. Proven 40° Bent-Axis Design
Years-proven bent-axis design with synchronizing gears and multi-layer piston rings ensures high reliability and efficiency.

3. High Volumetric Efficiency
Laminated piston ring design minimizes internal leakage.

4. High Axial and Radial Load Capacity
Heavy-duty roller bearings support substantial external shaft loads.

Application Areas

• Medium construction equipment (excavator and loader travel drives)

• Agricultural machinery (large harvesters)

• Industrial hydraulic systems

• Winch and hoist drives

• Forestry machinery

Expert Maintenance Tips

1. Shaft seals and all O-rings must be replaced after every service.

2. Lubricate all moving parts with clean hydraulic fluid before assembly.

3. Monitor case drain flow—a significant increase indicates piston ring wear.

4. Spherical piston rings worn beyond 50% must be replaced immediately.

5. Ensure filtration meets β₁₀ ≥ 75.

Model 5: F11-039-MU-SN-S-000

Product Overview

The F11-039-MU-SN-S-000 is a large-displacement model in Parker’s F11 series, with 39 cm³/rev displacement. This model functions as both a motor and a pump—suitable for use as either a high-speed motor or a high-performance pump. F11 series products are manufactured in Sweden to the highest precision and reliability standards.

Our product provides a fully interchangeable direct replacement for the original Parker F11-039 series motor, with identical mounting dimensions, port specifications, and shaft configurations. Every unit undergoes 100% simulated duty-cycle testing—full-performance validation at rated pressure (350 bar) and peak pressure (420 bar).

Technical Specifications

• Model: F11-039-MU-SN-S-000

• Displacement: 39 cm³/rev

• Max. Intermittent Pressure: 420 bar

• Max. Continuous Pressure: 350 bar

• Peak Pressure: 480 bar

• Max. Speed—Motor Mode: Approx. 5,200 rpm

• Max. Speed—Pump Mode: Approx. 4,300 rpm

• Theoretical Torque @ 100 bar: Approx. 62 Nm

• Direction of Rotation: Bidirectional (reversible)

• Volumetric Efficiency: Up to 95%

• Mechanical Efficiency: Up to 95%

• Housing Material: Cast Iron

• Max. Drain Oil Temperature: 115°C

• Min. Ambient / Oil Temperature: -40°C

• Weight: Approx. 8–9 kg

Key Technical Advantages

1. Large Displacement, High Torque Output
With 39 cm³/rev delivering approximately 62 Nm/100 bar theoretical torque, combined with 420 bar operating pressure, this motor meets high-load drive requirements.

2. Motor/Pump Dual Functionality
The F11-039 can be used as either a high-speed motor or a high-performance pump, offering maximum flexibility for different system requirements.

3. Bidirectional Rotation
Supports both clockwise and counter-clockwise rotation, providing exceptional system design flexibility.

4. Ultra-High Efficiency
Both mechanical and volumetric efficiency reach up to 95%, significantly reducing system energy consumption and operating costs.

5. Spherical Piston Design
Unique spherical piston with laminated piston rings provides excellent thermal shock resistance and low internal leakage.

Application Areas

• Hydrostatic drive systems

• Mobile equipment (platforms, lifts, excavators, cranes)

• Marine systems

• Industrial machinery

• Heavy construction equipment travel drives

Expert Maintenance Tips

1. Shaft seals and all O-rings must be replaced after every disassembly.

2. Thoroughly lubricate all components with clean hydraulic fluid before assembly.

3. Monitor operating pressure and leakage regularly.

4. Perform bench testing after repair to verify performance.

5. Weight is approx. 8–9 kg—use proper lifting equipment during installation and removal.

6. Ensure hydraulic system filtration meets β₁₀ ≥ 75 to protect precision components.

Model 6: F11-150

Product Overview

The F11-150 is a large-displacement heavy-duty model in Parker’s F11 series, with displacement of 150.8 cm³/rev. Specifically designed for demanding applications in heavy construction, forestry, marine cranes, and industrial drives, this is one of the highest power-rated models in the F11 series.

The F11-150 features the proven 40° bent-axis design with synchronizing gears and multi-layer piston rings, capable of functioning as both a motor and a pump. Our product provides a fully interchangeable direct replacement for the original Parker/VOAC F11-150 series motor. Every unit undergoes 100% simulated duty-cycle testing at rated pressure (350 bar) and peak pressure (420 bar).

Technical Specifications 

• Model: F11-150

• Displacement: 150.8 cm³/rev

• Max. Intermittent Pressure: 420 bar

• Max. Continuous Pressure: 350 bar

• Max. Speed (Motor Mode): Approx. 7,300 rpm

• Max. Self-Priming Speed (Pump Mode): Approx. 2,300 rpm

• Theoretical Torque @ 100 bar: Approx. 240 Nm

• Mounting: SAE D (4-bolt)

• Ports: 1 1/2″ SAE

• Housing Material: Cast Iron

• Max. Drain Oil Temperature: 115°C

• Min. Ambient / Oil Temperature: -40°C

• Weight: Approx. 60 kg

Key Technical Advantages

1. Ultra-Large Displacement, Maximum Torque Output
With 150.8 cm³/rev delivering approximately 240 Nm/100 bar theoretical torque, combined with 420 bar operating pressure, this motor provides exceptionally powerful driving capability.

2. Proven 40° Bent-Axis Design
Years-proven bent-axis design with synchronizing gears and multi-layer piston rings ensures high reliability and efficiency.

3. Motor/Pump Dual Functionality
The F11-150 can be used as either a high-speed motor or a high-performance pump, offering maximum flexibility for different system requirements.

4. High Axial and Radial Load Capacity
Heavy-duty roller bearings support substantial external shaft loads.

5. SAE D Standard Mounting
SAE D 4-bolt flange mounting conforms to international standards for easy system integration.

Application Areas

• Heavy construction equipment (travel drives)

• Forestry machinery (logging equipment)

• Marine cranes and winches

• Oil and gas equipment

• Industrial drives (e.g., shredders)

• Agricultural machinery

Expert Maintenance Tips

1. Shaft seals and all O-rings must be replaced after every disassembly.

2. Thoroughly lubricate all components with clean hydraulic fluid before assembly.

3. Regularly check case drain flow—an abnormal increase indicates internal wear.

4. Due to the significant weight (approx. 60 kg), must use proper lifting equipment during installation and removal to prevent personal injury or component damage.

5. Ensure hydraulic system filtration meets β₁₀ ≥ 75 to protect precision components.

6. Prime the motor housing with hydraulic oil before initial start-up.

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