Parker Gear Motor | PGP031

Fixed Displacement Gear Motors | Parker PGM031 Series

Parker’s PGM031 Series gear motors are fixed-displacement hydraulic gear motors engineered for exceptional durability, power, and efficiency. Built with a cast-iron housing and roller bearing construction, these motors provide superior resistance to oil contamination and offer a long service life in demanding operating environments.

Designed for consistent performance under high-load conditions, the PGM031 gear motor is ideal for vocational trucks, winch systems, and Oil & Gas applications. Multiple configurations are available, including single-speed, two-speed, and winch motor designs, providing flexibility to meet a wide range of hydraulic system requirements.

With Parker’s precision engineering and proven reliability, the PGM031 Series delivers high mechanical efficiency, smooth operation, and rugged dependability in every application.

Technical Specifications

• Product Type: Motor, cast iron roller bearing, external gear
• Displacement: 16.1 to 64.6 cm3/rev (Motor), 0.99 to 3.94 inch3/rev (Motor)
• Direction of Rotation: Bi-Directional
• Mounting Type: SAE 2-Bolt or 4-Bolt, 6-Bolt Round, Pad
• Shaft Type: SAE Splined, Keyed, Tapered
• 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: 33 lbs with 1″ gear, 33 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