Hydraulic HM 68

Standard Hydraulic Fluid (DIN-1)

BULWARK HYDRAULIC HM series of hydraulic fluids are formulated with paraffinic base oils and they provide adequate protection against wear, oxidation, corrosion inhibition and demulsibility.


BULWARK HYDRAULIC HM 68 is a standard, anti-wear fluid recommended for use in light and medium duty automotive & industrial applications. It can also be used in light loaded reciprocating compressors and in gearboxes were non-EP lubricants are required.

Performance Level

  • DIN 51524-1


  • ISO 11158 L-HM


  • ASTM D 6158 HM

Key benefits

  • Good oxidation stability provides good service life in high pressure service.

  •  Excellent protection against corrosion of both copper and steel


  • Minimum viscosity changes over a wide temperature range.


  • The special foam suppressant minimizes both foaming and aeration problems.