Engine oils
Castrol’s range of diesel engine oils are formulated to deliver a high level of engine protection throughout service intervals, which can help you save on maintenance costs, repairs and downtime.
The value that your commercial vehicles and equipment deliver to your business depends on robust engine oils that are capable of helping engines combat heavy loads and challenging environments. When they also help extend service intervals, the value to your business is even greater. Castrol’s range of engine oils has been formulated to provide high levels of protection and increase the time your fleet is on the road, delivering value.
Our Liquid Engineers have developed engine oils that meet a range of needs:
- Extended drain intervals – validated with a proper used oil analysis program like Castrol Labcheck
- Improved fuel efficiency
- For use in both diesel and natural gas-fueled engines
- Excellent anti-wear protection
- High resistance to acid corrosion
Our range includes engine oils that meet—and exceed—OEM specifications for Caterpillar, Cummins, Detroit Diesel, Mack and Volvo.
VECTON® Long Drain 10W-30 CK-4
Castrol VECTON Long Drain 10W-30 CK-4 with unique SYSTEM PRO TECHNOLOGY™ is an advanced part-synthetic heavy-duty engine oil. Conforming to the requirements of the latest engine oil specifications, it can be used in diesel engines where API CK-4 or CJ-4 and below is required. This oil is specifically engineered to deliver longer life, which can enable longer service intervals even under severe operating conditions.
VECTON® LONG DRAIN 10W-30 CK-4
Castrol VECTON advantages
Castrol VECTON Long Drain 10W-30 CK-4 with unique SYSTEM PRO TECHNOLOGY delivers a 45% extra performance reserve* that fights oil breakdown by helping to control oxidation, reduce deposits and neutralize harmful acids. It also adapts to higher temperatures, which helps to maintain viscosity. This means longer useful oil life, giving you confidence in your maximum drain interval.^
Drain intervals up to 128,000 KM OR 1,000 HOURS^
Product performance
API CK-4, JASO DH-2, CAT ECF-3, Cummins CES 20086, DDC DFS 93K222, Deutz DQC III-10 LA, Ford WSS-M2C171-F1, Mack EOS-4.5, RVI RLD-4, Volvo VDS-4.5
^ Extending oil drain intervals should only be done in conjunction with a comprehensive used oil analysis program like Castrol Labcheck
* Average of percentages by which VECTON exceeds the industry standard requirement limits in API CK-4 and ACEA E9-16 engine tests for viscosity maintenance, heat protection, deposit control, minimum oil limits and acid neutralization. In API CK-4 tests only, the VECTON performance reserve is 37%.imits in API CK-4 and ACEA E9-16 engine tests for viscosity maintenance, heat protection, deposit control, minimum oil limits and acid neutralization. In API CK-4 tests only, the VECTON performance reserve is 37%.
VECTON® 15W-40 CK-4
Castrol VECTON 15W-40 CK-4 with unique SYSTEM PRO TECHNOLOGY™ is an advanced part-synthetic heavy-duty engine oil. Conforming to the requirements of the latest engine oil specifications, it can be used in diesel engines where API CK-4 or CJ-4 and below is required. This oil is specifically engineered to deliver longer oil life, which can enable longer service intervals even under severe operating conditions.
VECTON® 15W-40 CK-4
Castrol VECTON advantages
Castrol VECTON 15W-40 CK-4 with unique SYSTEM PRO TECHNOLOGY delivers a 45% extra performance reserve* that fights oil breakdown by helping to control oxidation, reduce deposits and neutralize harmful acids. It also adapts to higher temperatures, which helps to maintain viscosity. This means longer useful oil life, giving you confidence in your maximum drain interval.^
Drain intervals up TO 97,000 KM OR 750 HOURS^
Product performance
API CK-4, JASO DH-2, CAT ECF-3, Cummins CES 20086, DDC DFS 93K222, Deutz DQC III-10 LA, Ford WSS-M2C171-F1, Mack EOS-4.5, RVI RLD-4, Volvo VDS-4.5
^ Extending oil drain intervals should only be done in conjunction with a comprehensive used oil analysis program like Castrol Labcheck
* Average of percentages by which VECTON exceeds the industry standard requirement limits in API CK-4 and ACEA E9-16 engine tests for viscosity maintenance, heat protection, deposit control, minimum oil limits and acid neutralization. In API CK-4 tests only, the VECTON performance reserve is 37%.
VECTON® 10W-30 FA-4
Castrol VECTON 10W-30 FA-4 with unique SYSTEM PRO TECHNOLOGY™ is Castrol’s latest heavy-duty engine oil specifically engineered for fuel economy. It is targeted for use in the latest technology engines that have been approved to use API FA-4 engine oils.
VECTON® 10W-30 FA-4
Castrol VECTON advantages
Pumping oil around the engine creates drag, which saps engine power and increases the consumption of diesel fuel. Castrol VECTON 10W-30 FA-4 with unique SYSTEM PRO TECHNOLOGY™ has lower viscosity under high-temperature and high-shear forces to reduce drag, which improves the productivity of the engine and enhances fuel economy up to 1.5%.†
Castrol VECTON 10W-30 FA-4 with unique SYSTEM PRO TECHNOLOGY delivers a 45% extra performance reserve* that fights oil breakdown by helping to control oxidation, reduce deposits and neutralize harmful acids. It also adapts to higher temperatures, which helps to maintain viscosity. This means longer useful oil life, giving you confidence in your maximum drain interval.^
Drain intervals up to 97,000 km or 750 hours^
Product performance
API FA-4, Cummins CES 20087, DDC DFS 93K223
† Independent testing vs. SAE 15W-40 CJ-4 oil using SAE J1321 test method for Class-8 trucks * Average of percentages by which VECTON exceeds the industry standard requirement limits in API CK-4 and ACEA E9-16 engine tests for viscosity maintenance, heat protection, deposit control, minimum oil limits and acid neutralization. In API CK-4 tests only, the VECTON performance reserve is 37%. ^ Extending oil drain intervals should only be done in conjunction with a comprehensive used oil analysis program like Castrol Labcheck
CRB Multi 15W-40 CK-4
Castrol CRB Multi 15W-40 CK-4 is a conventional multi-purpose heavy-duty diesel engine oil, designed to provide superior protection. Conforming to the strict requirements of the latest engine oil specifications, it can be used in diesel engines where API CK-4 or CJ-4 and below is required. It is engineered to help give long and healthy engine life, giving you peace of mind that your diesel engines are protected in a variety of applications and duty cycles.
VECTON® LONG DRAIN 10W-30 CK-4
Castrol CRB Multi advantages
Castrol CRB Multi 15W-40 CK-4 provides:
- Protection against oil thickening and deposit build-up in critical engine parts
- Protection from wear and deposits
- Better shear stability and protection against viscosity loss for reliable engine protection
- Versatile use that enables product rationalization for both workshops and mixed fleets
Product performance
API CK-4, CAT ECF-3, Cummins CES 20086, DDC DFS 93K222, Deutz DQC III-10 LA, Ford WSS-M2C171-F1, Mack EOS-4.5, RVI RLD-4, Volvo VDS-4.5
Castrol Assuron™ (SAE 10W, 30, 40, and 50)
These high-performance, heavy-duty monograde engine oils couple selected base stocks with a carefully balanced additive package. Castrol Assuron has proven performance in various on- and off-highway heavy-duty diesel engines, particularly in applications requiring API CF-2.
Castrol Elixion™
Castrol Elixion is a technologically advanced fully synthetic diesel engine oil engineered to reduce operating costs while providing outstanding engine protection.
Castrol VECTON NG 15W-40
A synthetic lubricant formulated for use in natural gas fueled engines where minimal thermal degradation and good deposit control is expected.
Castrol Duratec™ LFG
Combines an exclusive low-ash additive package with hydrocracked basestocks that can safely extend drain intervals with protection against acid formation, oxidation, and nitration.
Castrol Railroad Engine Oil
This premium quality, high ash railroad diesel engine oil is formulated with highly refined high-viscosity-index base stocks to meet the severe service demands of today’s railroad diesel locomotive engines where modified piston rings and cylinder liners have significantly reduced oil consumption and placed extra demands on the oil.