PGM511A0100BL6H2NE3E3B1B1N2 Parker Hydraulic Gear Motor 250bar

Product Overview

The PGM511A0100BL6H2NE3E3B1B1N2 is a Parker Hannifin PGM511 Series aluminum-bodied fixed displacement external gear motor. Parker, a global leader in motion and control technologies, manufactures gear pumps/motors renowned for their rugged construction, high efficiency, high power density, and long service life, widely used in demanding applications such as construction, agriculture, material handling, and forestry equipment.

The PGM511 Series is part of Parker‘s 500 Series aluminum gear pump/motor product line, featuring three-piece construction with pressure-balanced thrust blocks, delivering high performance and high power density. The series offers displacements from 6 to 23 cm³/rev, with maximum operating pressures up to 250 bar (3,625 psi) and speeds up to 4,000 rpm. The PGM511 features a 12-tooth gear design, delivering high efficiency and low noise under high operating pressures.

As an original specification model within the Parker PGM511 line, this product enables direct form-fit-function interchangeability with original Parker units—no modifications to piping or mounting interfaces required. Our replacement solution strictly adheres to Parker technical standards and undergoes 100% simulated in-service testing to ensure performance, reliability, and service life identical to OEM products.

Technical Specifications 

Applicable Model (Primary):

• PGM511A0100BL6H2NE3E3B1B1N2

• Material Number: 3349219084

Series Technical Specifications (per Parker PGM511 official documentation):

• Product Series: Parker PGM511 Aluminum Gear Motor

• Product Type: Fixed Displacement External Gear Motor

• Body Material: Aluminum

• Circuit Path: Open

• Displacement Range: 6 to 23 cm³/rev

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

• Maximum Speed: 4,000 rpm

• Operating Speed: 500 to 3,500 rpm

• Rotation: Bi-directional

• Mounting Types: SAE B 2-Bolt, Rectangular, Thru-bolt Flange, 4-Bolt Flange

• Shaft Types: SAE B Splined, Taper Key, Key DIN 6885

• Port Types: BSP Thread, Square, Diamond

• Port Location: Side Ports, Rear Ports

• Filtration: ISO 4406 Cl. 19/17/13

• Fluid Compatibility: Standard Hydraulic Fluid, Phosphate Ester, Water-Glycol, Biodegradable

• Maximum Fluid Temperature: 70 °C

• Minimum Fluid Temperature: -40 °C

• Weight: 4.5 kg Max

This Model (PGM511A0100) Detailed Specifications (estimated based on PGM511 Series parameters):

• Displacement: Approx. 10 cm³/rev (model code 0100)

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

• Maximum Speed: 4,000 rpm

• Rotation: Bi-directional

• Body Material: Aluminum

• Gear Design: 12-tooth gear

• Bearing Type: Journal Bushings

• Seal Material: Per specific configuration (NBR / FKM)

• Fluid Compatibility: Standard Hydraulic Fluid, Phosphate Ester, Water-Glycol

Key Technical Advantages

1. High-Strength Aluminum Body — Lightweight with High Power Density
The PGM511 Series features a high-strength aluminum body that delivers excellent performance while significantly reducing overall weight (4.5 kg max). The lightweight design simplifies installation and is particularly suitable for weight-sensitive mobile applications including aerial, agricultural, material handling, and turf equipment.

2. 12-Tooth Gear with Optimized Flow Metering — Low-Noise Operation
The PGM511 features a 12-tooth gear profile with optimized flow metering, effectively reducing pressure pulsation and operating noise. It delivers superior performance, high efficiency, and low noise under high operating pressures.

3. Pressure-Balanced Thrust Blocks — High Volumetric Efficiency
Pressure-balanced thrust blocks ensure maximum efficiency under all operating conditions. This design automatically compensates for clearances, significantly reducing internal leakage and enhancing overall system energy efficiency.

4. Journal Bearing Design — Long Service Life and High Reliability
Journal bushings, combined with high-strength materials and large shaft diameters, provide low bearing loads under high pressure. Excellent load-carrying capacity and wear resistance extend product service life.

5. Flexible Configuration Options with Integrated Valve Capabilities
The PGM511 Series supports bi-directional rotation with multiple mounting options including SAE B 2-Bolt. Common or separate inlet ports are available for multi-pump configurations. Extensive valve options include anti-cavitation, relief, cross-port relief, solenoid unloading, and proportional relief valves.

Application Areas

• Fan Drive Motors: Hydraulic drives for engine cooling fans

• Mower Motors: Turf care and mowing equipment

• Sweeper Motors: Municipal street sweepers

• Material Handling Equipment: Forklift hydraulic systems, aerial work platforms

• Construction Equipment: Building equipment hydraulic systems

• Agricultural Machinery: Tractors, harvesters, and agricultural equipment

• Specialty Vehicles: Trucks, buses, and municipal vehicles

Expert Maintenance Tips

1. Installation Precautions

• The PGM511 Series supports bi-directional rotation—verify the system’s required rotation direction before installation.

• Ensure coaxial alignment between the motor and drive shaft; flexible couplings are recommended.

• Ensure reliable sealing of inlet and outlet port connections to prevent leakage.

2. Fluid Management

• Use anti-wear hydraulic oils conforming to ISO/DIN standards.

• System fluid cleanliness should meet ISO 4406 Cl. 19/17/13 or higher.

• Operating temperature should be maintained within -40°C to +70°C.

• Prime the motor by filling with hydraulic fluid through the inlet port before initial start-up. Never run dry.

3. Start-Up & Commissioning

• Use jog start method for initial start-up; verify correct rotation direction before continuous operation.

• Allow the motor to run under no-load (low pressure) conditions for 2-3 minutes to purge air and ensure proper lubrication.

• Gradually increase to operating pressure (up to 250 bar) while monitoring noise, temperature, and system pressure for normal operation.

4. Routine Maintenance

• The PGM511 gear motor itself is maintenance-free; however, regular maintenance of the entire hydraulic system is essential for trouble-free operation.

• Inspect system fluid cleanliness and condition every 1,000-2,000 operating hours.

• Regularly replace return line filters and suction strainers to prevent contaminant ingress.