Parker Gear Motor | PGP350

Parker PGM350 Gear Motor

Fixed Displacement Gear Motors | Parker PGM350 Series

Parker’s PGM350 Series gear motors are fixed-displacement hydraulic gear motors engineered for superior performance, durability, and efficiency in high-pressure mobile applications. Constructed with a robust cast-iron housing, these motors deliver exceptional strength and reliability, making them ideal for high-duty-cycle applications in the construction, forestry, and Oil & Gas markets.

Designed for consistent torque output and smooth hydraulic performance, the PGM350 gear motor offers excellent volumetric efficiency and resistance to wear and contamination. Its heavy-duty build ensures long service life even under extreme operating conditions.

Available as a standard motor configuration, Parker’s PGM350 Series provides proven hydraulic power and dependable performance wherever rugged, continuous-duty operation is required.

Technical Specifications

  • Product Type: Motor, cast iron bushing, 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, including “ZF” style
  • Shaft Type: SAE Splined, Keyed
  • Shaft Seal Material: NBR, FPM [FKM], NBR, FPM [FKM]
  • Number of Ports: BSPP, Metric Split Flange, SAE Straight Thread or Split Flange
  • For Fluid Type: Fire Resistant Fluids : Water-Oil Emulsions 60/40, HFB; Water-Glycol, HFC; Phosphate Esters, HFD, Mineral Oil
  • Operating Temperature: 0 to 180 °F with standard seals, 0 to 150 °F with FPM seals
  • Operating Speed: 400 to 3000 RPM
  • Maximum Inlet Pressure Rating: 15 psig
  • Maximum Continuous Vacuum Pressure: 13 cm (5 in) Hg at operating temperature
  • Continuous Outlet Pressure: up to 241 bar, up to 3500 psi
  • Weight: 51 lbs with 1″ gear
    Add 1 lb each addition 1/4″ of gear, 51 lb

Key Benefits

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

Examples of Suitable Applications

  • Tire Trucks
  • Salt and sand spreaders
  • Aerial Lift
  • Low boy trailers
  • Live (Moving) Floor Trailers
  • Roll Off Trailers

Let's Talk

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