Oman Oil Maximo Ultra diesel engine oil designed to meet the most severe performance requirements of the latest high output diesel engines. It is formulated with high quality mineral base oils and superior additives to provide the highest diesel engine performance levels with additional Thermal Shield Technology (TST).

Performance Levels

API CI4, ACEA E7 A3/B-4, Daimler Chrysler MB 228.3, MAN M3275, VOLVO VDS-3, MTU Type 2, RENAULT TRUCKS RLD-2, DEUTZ DQC-III-05


Naturally aspirated and turbocharged high speed, four-stroke diesel engines with high mileage requirement.

All automotive diesel engines.

High speed diesel engines.

Commercial road transport in light, medium and heavy-duty service.

Off-highway vehicles.

All construction and earthmoving equipment.


  • Outstanding deposit control under high temperature conditions encountered in turbocharged engines.
  • Effective detergent additive system minimizes piston crown land deposits.
  • Proven organometallic anti-wear additive reduces wear by forming an interface layer on all metal contact surfaces.
  • Extended drain periods due to high temperature stability, minimizing degradation, sludge formation and oil thickening.
  • Fuel economy due to special base stocks.
  • Shear-stable Viscosity Index improver maintains oil viscosity in the high temperature ring belt area.