PGM511A0110BL6H2NE3E3B1B1G3 Parker Gear Motor 11cc 250bar

Product Overview

The PGM511A0110BL6H2NE3E3B1B1G3 is an aluminum external gear motor from the Parker Hannifin PGM511 series. This model features a displacement of 11.0 cm³/rev and corresponds to Parker part number 3349219214.

The PGM511 series is Parker’s 500 Series lightweight aluminum fixed-displacement external gear motor, offering high efficiency and low noise. Engineered with a high-strength aluminum alloy housing and pressure-balanced bearing blocks, the motor features a 12-tooth gear profile that minimizes pressure pulsation for exceptionally smooth and quiet operation. The PGM511 is a bidirectional gear motor, supporting both clockwise and counterclockwise rotation.

Every unit is manufactured to original equipment specifications, ensuring 100% drop-in interchangeability with genuine Parker PGM511 series motors without any system modifications. Each motor undergoes rigorous 100% simulated duty-cycle testing to validate torque-speed-efficiency performance curves.

Brand Disclaimer: This product is a high-quality compatible replacement engineered for full interchangeability with Parker Hannifin original equipment. All Parker brand names and model codes are referenced solely to indicate compatibility and interchangeability. This product is manufactured by an independent producer and is not an original Parker product.

Technical Specifications 

• Model Code: PGM511A0110BL6H2NE3E3B1B1G3

• Parker Part Number: 3349219214

• Brand Series: Parker Hannifin PGM511 (PGP/PGM 500 Series)

• Product Type: Fixed Displacement External Gear Motor

• Displacement: 11.0 cm³/rev

• Series Displacement Range: 6 – 33 cm³/rev

• Maximum Operating Pressure: 250 bar (3,625 psi) 

• Maximum Speed: 3,500 rpm

• Minimum Speed: 500 rpm

• Rotation Direction: Bidirectional (CW / CCW) 

• Housing Material: High-strength aluminum alloy

• Construction: Three-piece modular construction

• Bearings: Journal Bushings

• Thrust Blocks: Pressure Balanced Thrust Blocks

• Seals: Standard NBR

• Hydraulic Fluid: Mineral oil, Phosphate Ester, Water-Glycol

• Operating Temperature Range: -15°C to +80°C

• Maximum Weight: 4.6 kg

• Country of Origin: Czech Republic

Key Technical Advantages

1. Lightweight Aluminum Alloy Construction

The high-strength aluminum alloy housing delivers a maximum weight of only 4.6 kg—significantly lighter than cast iron equivalents. This substantial weight reduction makes it ideal for mobile equipment, vehicle-mounted systems, and aerial work platforms.

2. Bidirectional Rotation – Maximum Installation Flexibility

The PGM511 is a bidirectional gear motor, supporting both clockwise and counterclockwise rotation. Regardless of hydraulic system flow direction, the motor can be installed directly—significantly simplifying system design and field adaptation.

3. 12-Tooth Optimized Gear Profile & Low-Noise Operation

The PGM511 features a 12-tooth gear profile with optimized flow distribution geometry, minimizing pressure pulsation for exceptionally smooth and quiet operation. This low-noise characteristic is particularly advantageous for cab-near installations, urban equipment, and turf care applications.

4. Pressure-Balanced Thrust Blocks & Journal Bushings – High Efficiency & Long Life

Integrated pressure-balanced thrust blocks assure maximum efficiency under all operating conditions. Paired with journal bushings, friction losses are minimized while extending service life. High-strength materials and large journal diameters provide low bearing loads for high-pressure operation.

5. Three-Piece Modular Construction – Maximum Flexibility

The three-piece modular construction provides excellent distribution flexibility for system design. Supports single and multiple motor configurations. Available with various SAE flanges, shafts, and port options to meet global installation requirements.

6. Extensive Integrated Valve Options

The PGM511 series supports integration of multiple control valve functions including: Anti-Cavitation, Pressure Relief, Cross Port Relief, Solenoid Unloading, and Solenoid Proportional Relief valves. Flexible configuration reduces external valve groups and piping, lowering system assembly labor costs.

7. 100% Simulated Duty-Cycle Testing

Every motor is 100% tested on dedicated hydraulic test benches under simulated real-world operating conditions—validating torque-speed-efficiency characteristics at rated pressure (250 bar) and full speed range—ensuring zero-defect, plug-and-play performance upon installation.

Application Areas

• Fan Drive Motors: Engine cooling fan hydraulic drives

• Mower Motors: Mower blade drives

• Material Handling: Forklifts, stacker hydraulic systems

• Turf Care: Lawn mowers, golf course maintenance equipment

• Construction Equipment: Mini-excavators, loader auxiliary hydraulic systems

• Vocational & Municipal Vehicles: Street sweepers, truck and bus hydraulics

• Agricultural Machinery: Tractor, combine harvester hydraulic systems

• Forestry Equipment: Wood processing and material handling equipment

• Hydrostatic Transmissions: Bidirectional hydrostatic drive systems

Expert Maintenance Tips

1. Fluid Cleanliness Control

Maintain system fluid cleanliness to ISO 4406 19/17/13 or better. Install a ≤10 μm absolute filtration filter upstream of the inlet port to prevent particle contamination from damaging precision gear pairs, journal bushings, and thrust blocks.

2. Inlet Line Requirements

Keep inlet lines short and straight with adequate diameter—not less than the port size. Inlet pressure must be maintained between 0.8 – 2.0 bar (absolute) . Minimum inlet pressure: -0.25 bar absolute. Prevent cavitation from insufficient supply.

3. Coupling Alignment Precision

Flexible couplings are recommended for direct drive. Ensure motor shaft-to-load shaft coaxiality deviation ≤0.05 mm and angular deviation ≤0.5° during installation. If the drive involves sprockets or V-belt pulleys, an independent outboard bearing MUST be installed.

4. First-Start Priming Procedure

Before initial startup, prime the motor by bleeding air through the drain port or a loosened outlet fitting. Perform 2–3 jog starts under no-load conditions until oil fills the motor cavity without air bubbles, then connect the load circuit for full operation.

5. Fluid Temperature Monitoring

Recommended operating temperature range: -15°C to +80°C. During cold starts when oil temperature falls below -15°C, preheat the fluid or reduce startup speed to prevent insufficient supply from excessive viscosity.

6. Rotation Direction Confirmation

The PGM511 is a bidirectional motor, supporting both clockwise and counterclockwise rotation. Always verify that the hydraulic system flow direction matches the required motor rotation direction before installation.