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Home > Lubricants > Plant & Machinery > Hydraulic Fluids

Plant & Machinery Hydraulic Fluids by Gulf Oil Ireland

The Hydraulic Fluids section of the Plant & Machinery category covers all types of equipment and machinery used in construction, earth moving, quarrying and mining. This covers off-road vehicles including; diggers, excavators, bulldozers, dumpers, cranes, heavy trucks, fork-lifts, cherry-pickers and drilling equipment.

Our range of Hydraulic Fluid products include;

  • Multi-purpose lubricating oils
  • Synthetic biodegradable hydraulic oils
  • Heavy duty diesel engine oils with hydraulic applications
  • Mineral based hydraulic transmission fluid

Gulf’s Harmony range of hydraulic oils is renowned for its high-performance and anti-wear capabilities. Carefully selected additives provide excellent protection against oxidation, degradation, rust, corrosion and wear.

Please use our online database to select the perfect lubricant for your vehicle:- Find Your Oil

To purchase any of our lubricants, fluids or cleaning products, please visit your local Gulf Oil service station, contact us on 1800 4853 645 or by emailing info@gulfoil.ie for details of your nearest stockist.

Gulf Harmony AW 32 [Ref:3508]Technical Data Sheet

Gulf Harmony AW 32 is a high performance anti-wear hydraulic oil developed for high pressure hydraulic systems operating under moderate to severe conditions in mobile and industrial service and is formulated with high quality base oils and carefully selected performance additives to provide excellent protection against oxidation degradation, rust & corrosion and wear and possesses superior foam control, water separation and rapid air release properties

Primary Function: Economical and effective fluid for hydraulic system in plant and machinery. Not for use as transmission oil. Click on TDS above for for full application list

Gulf Harmony AW 46 [Ref:3508]Technical Data Sheet

Gulf Harmony AW 46 is a high performance anti-wear hydraulic oil developed for high pressure hydraulic systems operating under moderate to severe conditions in mobile and industrial service and is formulated with high quality base oils and carefully selected performance additives to provide excellent protection against oxidation degradation, rust & corrosion and wear and possesses superior foam control, water separation and rapid air release properties

  • Faster separation of water from oil
  • Resists formation of emulsions
  • Special rust & corrosion inhibitors
  • Rapid air release properties
  • Compatible with multi-metals and sealing materials

Primary Function: Economical and effective fluid for hydraulic system in plant and machinery. For traditional models of Volvo, Hitachi, Liebher, CASE, JCB etc. Not for use as transmission oil

Click on TDS above for for full application list

Gulf Harmony AW 68 [Ref:3508]Technical Data Sheet

Gulf Harmony AW is a high performance anti-wear hydraulic oil developed for high pressure hydraulic systems operating under moderate to severe conditions. It is formulated with high quality base oils and selected performance additives to provide excellent protection against oxidation degradation, rust & corrosion and wear. They also possess superior foam control, water separation and rapid air release properties.

  • Controls the formation of sludge & varnish
  • Improved oil life
  • Exceptional anti-wear properties
  • Faster separation of water from oil
  • Resists formation of emulsions
  • Special rust & corrosion inhibitors
  • Rapid air release properties
  • Compatible with multi-metals and sealing materials

Primary Function: Economical and effective fluid for hydraulic system in plant and machinery. May resist leakage due to viscoity. Not for use as transmission oil.

Click on TDS above for for full application list

Gulf Harmony HVI 46 [Ref:3608]Technical Data Sheet

Gulf Harmony HVI is an outstanding premium quality anti-wear hydraulic oil developed for applications subjected to wide range of temperature or where small viscosity change with fluctuating temperature is required. It is formulated with high quality paraffinic base oils, a highly shear stable polymer and advanced additives. This oil provides excellent protection against oxidation degradation, rust & corrosion and wear, and provides superior foam control, water separation and rapid air release properties.

  • Exceptional anti-wear properties
  • Protection at cold start-up temperatures
  • Protection at high operating temperatures
  • Stay-in-grade" performance under high shear conditions
  • Special rust & corrosion inhibitors
  • Minimises chances of pump cavitation
  • Compatible with multi-metals & most sealing materials

Primary Function: Extra HVI performance, Hydraulic fluid where oil is subject to higher than usual temperature in modern plant and machinery. Suitable for Volvo, JCB, Hitachi, Mitsubishi, Liebher, CASE and more

Click on TDS above for for full application list

Gulf Harmony HVI 68 [Ref:3608]Technical Data Sheet

Gulf Harmony HVI is an outstanding premium quality anti-wear hydraulic oil developed for applications subjected to wide range of temperature or where small viscosity change with fluctuating temperature is required. It is formulated with high quality paraffinic base oils, a highly shear stable polymer and advanced additives. This oil provides excellent protection against oxidation degradation, rust & corrosion and wear, and provides superior foam control, water separation and rapid air release properties.

  • Exceptional anti-wear properties
  • Protection at cold start-up temperatures
  • Protection at high operating temperatures
  • Stay-in-grade" performance under high shear conditions
  • Controls sludge & varnish and improves oil life
  • Faster separation of water from oil
  • Resists formation of emulsions
  • Special rust & corrosion inhibitors
  • Minimises chances of pump cavitation
  • Compatible with multi-metals & most sealing materials

Primary Function: Extra HVI performance, Hydraulic fluid where oil is subject to higher than usual temperature in modern plant and machinery. Suitable for Volvo, JCB, Hitachi, Mitsubishi, Liebher, CASE and more

Click on TDS above for full application list

Gulf Harmony Bio-Synth 32 [Ref:3707]Technical Data Sheet

Gulf Harmony Bio-Synth is a biodegradable synthetic hydraulic oil designed for forestry machinery and equipment operating in extreme cold and environmentally sensitive areas. It is formulated with biodegradable synthetic base stocks and specially selected additive system to provide an extra high viscosity index and extremely low pour point.

  • Renewable content of more than 90%
  • Suitable for cold climate operation
  • Reduces deposit formation
  • Improves pump & valve performance
  • Excellent anti-wear properties
  • Special rust & corrosion inhibitors
  • Compatible with multi-metals and sealing materials

Primary Function: Environmentally friendly.May resist leakage due to high viscosity. For mechanical hedge cutters, forestery machinery and modern excavators Recommended for extra performance where oil is subject to higher than normal temperatures. Click on TDS above for full application list

Gulf Harmony Bio-Synth 46 [Ref:3707]Technical Data Sheet

Gulf Harmony Bio-Synth is a biodegradable synthetic hydraulic oil designed for forestry machinery and equipment operating in extreme cold and environmentally sensitive areas. It is formulated with biodegradable synthetic base stocks and specially selected additive system to provide an extra high viscosity index and extremely low pour point.

  • Renewable content of more than 90%
  • Suitable for cold climate operation
  • Reduces deposit formation
  • Improves pump & valve performance
  • Excellent anti-wear properties
  • Special rust & corrosion inhibitors
  • Compatible with multi-metals and sealing materials

Environmentally sensitive areas requiring fluids which are virtually non-toxic and readily bio-degradable.
High performance, heavy duty hydraulic and power transmission systems of forestry machinery and farming equipment operating in extreme climatic conditions like Arctic climate area.
Other hydraulic systems in marine, construction, mining, agriculture, manufacturing and mobile application requiring such quality bio-degradable hydraulic fluids

Click on TDS above for for full application list

Gulf Super Duty CF 10W [Ref:1681]Technical Data Sheet

Gulf Super Duty CF is a heavy duty diesel engine oil which can also be used as a hydraulic fluid for specific plant and machinery applications. It is formulated from highly refined base stocks and balanced additives to provide effective protection.

  • Protects against sludge build-up, deposits & oil degradation
  • Controls oil thickening
  • Protects components against wear
  • Good corrosion inhibition properties

Primary Function: Suitable for traditional models of Caterpillar, Komatsu and Hitachi machinery.

Click on TDS above for for full application list

Gulf HT Fluid TO-4 10W [Ref:2510]Technical Data Sheet

Gulf HT Fluid TO-4 is a premium hydraulic fluid designed for heavy duty plant and machinery used in earthmoving, mining logging, road transport and agricultural applications. It is blended from premium quality base oils and proven performance additives to provide enhanced wear protection, thermo-oxidative stability, frictional characteristics and rust & corrosion protection.

  • Protects metal surfaces against scuffing and wear
  • Protects against rust and corrosion
  • Prevents sludge and varnish
  • Excellent foam control
  • Compatible with seals, O rings and clutches
  • Very good low temperature fluidity

Primary Function: Hydraulic fluids for the Latest models of Caterpillar and Komatsu machinery.

Click on TDS above for for full application list