Hydraulic Constant Working Pressure Hose 3000 PSI – GlobalCore 387 Hose


Part of Parker’s GlobalCore constant working pressure hose line, lightweight and flexible 387 hoses consistently deliver 3,000 PSI performance across markets and across the globe.

Part Number: 387

Technical Specifications
Maximum Operating Pressure: 3000 psi, 210 bar, 21 MPa
For Fluid Type: Petroleum base hydraulic fluids and lubricating oils
Application: Agriculture / Forestry, Construction, Hydraulic, Material Handling, Transportation, and Vacuum
Hose I.D. (size): -4 to -32
Media: Hydraulic Fluids, Lubricants,
Vacuum Pressure Rating: 18 – 24 Inch-Hg, 457 – 610 mm-Hg
Hose Inner Tube Material: Synthetic rubber
Hose Reinforcement Material: One braid steel wire, Two braid steel wire, Four spiral
Cover Material: Synthetic rubber, Synthetic rubber abrasion resistant, Synthetic rubber super abrasion resistant
Minimum Operating Temperature: -40 °F, -40 °C
Maximum Operating Pressure: 212 or 257 (TC & ST) °F, 100 or 125 (TC & ST) °C
Specifications Met: ISO 18752
Full Product Description

The Parker 387 GlobalCore hose is a constant working pressure hydraulic hose offering 3,000 PSI in all sizes. This light, durable, and easy-to-bend hose meets and exceeds ISO 18752 performance specifications. The 387 hose offers low force-to-flex and delivers full SAE-standard pressure at one-half SAE bend radius, resulting in easier handling and installation. 387 hose also offers a 30% smaller OD by area compared with SAE-standard spiral hose. Compatible with petroleum-based hydraulic fluids and lubricating oils, 387 GlobalCore hose is offered in sizes ranging from ¼-inch to 2 inches in diameter and with three cover options: Standard, ToughCover, and SuperTough.


  • Transportation
  • Military
  • Construction
  • Agriculture
  • Grounds & Building Maintenance
  • Waste & Refuse
  • Material Handling
  • Forestry
  • Railroad
  • Utility Equipment
  • Personal Lift Equipment
  • Machine Tool


  • Standard or ToughCover options to prevent abrasion
  • Half SAE bend radius for ease of installation and low force to flex
  • 30% smaller O.D. by area compared to the SAE spiral hose
  • 3,000 PSI constant working pressure in all sizes
  • Lighter than the standard SAE spiral hose


  • Petroleum base hydraulic fluids and lubricating oils

Compatible Fittings

  • 43 series fittings (for sizes -4 to -20)
  • 77 series fittings (for sizes -20 to -32)

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