Parker Gear Motor | PGP051

Fixed Displacement Gear Motors | Parker PGM051 Series

Parker’s PGM051 Series gear motors are fixed-displacement hydraulic gear motors engineered for long-lasting performance, superior power density, and exceptional reliability. Built with a cast-iron housing and roller bearing construction, these motors deliver outstanding durability and resistance to oil contamination, ensuring dependable operation in demanding hydraulic environments.

Designed for consistent torque and high mechanical efficiency, the PGM051 gear motor is ideal for vocational trucks, winch drives, and Oil & Gas applications. Available in single-speed, two-speed, and winch motor configurations, the PGM051 Series provides versatile options to meet a wide range of system requirements.

Technical Specifications

• Product Type: Motor, cast iron roller bearing, external gear
• Displacement: 20.9 to 104.5 cm3/rev (Motor), 1.28 to 6.38 inch3/rev (Motor)
• Direction of Rotation: Bi-Directional
• Mounting Type: SAE 2-Bolt or 4-Bolt, Pad
• Shaft Type: SAE Splined, Keyed
• Shaft Seal Material: NBR
• Number of Ports: BSPP, Metric Split Flange, SAE Straight Thread or Split Flange
• For Fluid Type: Mineral Oil
• Operating Temperature: up to 180 °F (Operating)
• Operating Speed: 900 to 2400 RPM
• Continuous Outlet Pressure: up to 207 bar, up to 3000 psi
• Weight: 37 lbs with 1″ gear, 37 lb

Key Benefits

• Three-piece cast iron construction for distribution flexibility
• Cast Iron construction for durability
• Balanced Thrust Plates minimize friction and leakage
• Roller bearings for durability
• Multiple sections available

Examples of Suitable Applications

• Tire Trucks
• Salt and sand spreaders
• Aerial Lift
• Roll Off Truck
• Moving Floor Truck
• Refuse Truck
• Oil & Gas Service Trucks