Shell Omala S2 GX 100 - 1 Litre

£16.08 £13.40
You are buying the ORIGINAL SHELL OIL rebottled into one of our bottles

This oil is purchased in bulk from one of Shell's authorised distributors. We decant the oil into bottles ourselves for sale in smaller quantities. The plastic bottle, cap and label are not original Shell items. The original Shell batch numbers are included on the label to provide traceability to the manufacturing batch.


Shell Omala S2 GX 100 is an ISO VG 100 grade EP Gear Oil.

Shell Omala S2 GX oils are high quality extreme-pressure (EP) oils designed primarily for the lubrication of heavy duty industrial gearboxes. Their high load carrying capacity, protection against micropitting and compatibility with seals and paints, combine to offer excellent performance in enclosed gear applications.

Shell Omala S2 GX oils are formulated to reduce the risk of thermal and chemical breakdown throughout the maintenance interval. They withstand high thermal loading and resist the formation of sludge to provide extended oil life capability, even with bulk oil temperatures of up to 100 °C.

Shell Omala S2 GX is formulated to have excellent load carrying capacity and micropitting performance, providing long component life.

Shell Omala S2 GX oils display a combination of excellent water shedding capability, corrosion protection and low foam forming tendency. Water can greatly accelerate surface fatigue of gears and bearings as well as promoting ferrous corrosion on internal surfaces. Excellent corrosion protection is provided, even in the presence of contamination by seawater and solids. The oils are designed to minimize the potential for foaming, often experienced in applications where oil reservoir residence times are marginal. Excellent shear stability, maintains viscosity stability throughout the service interval. Further system efficiencies are gained through compatibility with popular seals, sealants, and engineering adhesives, to help avoid leakage. Shell Omala S2 GX is compatible with prevalent paint finishes.

Shell Omala S2 GX technology provides an effective extreme pressure (EP) formulation designed specifically for enclosed industrial gearboxes using steel-on-steel, spur, helical, or planetary gear drives, including highly loaded systems with splash or forced circulation systems. Shell Omala S2 GX oils are also suitable for the lubrication of non-geared applications, that include bearings and other steel-on-steel components with splash or forced circulation systems.

Shell Omala S4 GXV is recommended for gear systems where a synthetic lubricant is specified, when the longest lifespan is required, or when operating in environments that experience large temperature variations. Shell Omala S5 Wind 320 is recommended for wind turbine main gear drives. Shell Omala S4 WE, Shell Morlina S4 B and Shell Omala S1 W are recommended for worm-wheel drives. For automotive gear applications, the appropriate Shell Spirax Oil should be used.


  • ISO 12925-1 Type CKD (ISO 100)
  • ISO 12925-1 Type CKC (ISO 100)
  • DIN 51517 Part 3 CLP (ISO 100)
  • AGMA EP 9005-F16 (ISO 100)
  • AIST (US Steel) 224 (ISO 100)
  • Cincinnati Milacron P-76

Previous Names/Substitutions

This oil has undergone various name changes during its lifetime, but the specification of the oil has remained the same and the previous equivalent names for this oil are as follows

  • Shell Omala S2 G 100
  • Shell Omala 100
  • Shell Omala 41 (Pre ISO)
  • Shell Macoma 100/R 100
  • Shell Macoma 41/R 41 (Pre ISO)

Cincinnati Milacron P-76

Cincinnati Milacron are an American machinery manufacturer. To simplify specification of machine oils for their machines, they adopted an approved products list, grouping oils from various manufacturers into categories with minimum specifications. Instead of specifying one particular manufacturer of oil for their machines, they suggest you choose an oil from the approved products list in the relevant category.

This oil appears in the P-76 category. The following oils are also approved under the P-76 category. If an oil is present on this list, it is a good indication that it is of similar specification to this oil, and could possibly be substituted, however, additional checks should be made with the manufacturers data sheets before substituting.

  • Atlantic Richfield Co Pennant NL-100
  • BP Energol GR-XP 100
  • Chevron NL Gear Compound 100
  • Cities Citgo EP Compound 100
  • Conoco Gear Oil 100
  • Gulf EP Lubricant HD 100
  • Luscon EP Compound 100
  • Mobil Mobilgear 627
  • Motor Oils Refining Co Morgear EP 100
  • Shell Omala 100
  • Technolube GO-EP VG 100
  • Vulcan Stearogear LL-3B

Please check your machine manual for the correct oil specified and ensure you are buying the correct grade of oil for your machine.

If your machine manual specifies a grade of oil that you are finding it difficult to get, then please do get in touch, as we may be able to source it and add it to our stock list.

More Information
HS Code (Customs)2710198700
Viscosity100 (ISO VG)
Country of ManufactureGermany
Density (kg/m3)891
Base Oil TypeMineral Oil