Tection Monograde Range

The Castrol Tection Monograde 10W, 30, 40 and 50 lubricants are mineral-based, Monograde diesel engine oils specifically designed to provide effective performance in a number of applications. The Castrol Tection Monogrades are quality engine oils recommended for turbocharged or naturally aspirated diesel engines, operating under severe conditions where a Monograde oil is required. 


  • Castrol Tection Monograde 10W is recommended for hydraulic systems of civil engineering and construction equipment.
  • Castrol Tection Monograde 30 is recommended for on-highway trucks, off-road construction, civil engineering equipment and light commercial diesel engines.
  • Castrol Tection Monograde 40 is recommended for on-highway trucks, off-road construction, civil engineering, mining equipment and commercial vehicle diesel engines.
  • Castrol Tection Monograde 50 is recommended for use in Fuller synchromesh gearboxes in commercial vehicles.


  • Reduce operating and maintenance costs.
  • Formulated with carefully selected additives.
  • Reduces oil consumption.
  • Added dispersancy/detergency preventing ring sticking and breakages.
  • Excellent thermal stability.
  • Greater engine performance by controlling oil thickening in service.
  • Protects against oxidation and rust.
  • Increased wear resistance on moving parts provided by selected anti-wear additives.
  • Excellent protection against the formation and combination of deposits, rust and corrosion.


  • SAE 10, 30, 40 & 50
  • API CF
  • ACEA E1 (30, 40 & 50 only)
  • MB-Approval 228.0