ENGINE OILS

Castrol’s range of 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.

NEW FA-4 & CK-4 HEAVY DUTY DIESEL ENGINE OILS

VECTON® 10W-30 FA-4

New Castrol VECTON® 10W-30 FA-4 with unique SYSTEM PRO TECHNOLOGY™ is Castrol’s latest heavy duty engine oil specifically engineered for fuel economy in select diesel engines from model year 2017 and beyond. It is targeted primarily at the latest-technology on-road vehicles that require API FA-4 engine oils.
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VECTON® LONG DRAIN 10W-30 CK-4

New 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 PC-11 engine oil technology, 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.
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VECTON® 15W-40 CK-4

New 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 PC-11 engine oil technology, 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.
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CRB MULTI 15W-40 CK-4

New Castrol CRB Multi 15W-40 CK-4 is a multipurpose heavy duty diesel engine oil designed to provide superior protection. Conforming to the strict requirements of PC-11 engine oil technology, it can be used in diesel engines where API CK-4 or CJ-4 and below is required. It is engineered to help provide long and healthy engine life, and offers peace of mind by delivering protection in a variety of applications and duty cycles.
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OTHER HEAVY DUTY DIESEL ENGINE OILS

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 Assuron (all grades) PDS
Castrol Assuron 10W SDS
Castrol Assuron 30 SDS
Castrol Assuron 40 SDS
Castrol Assuron 50 SDS

Castrol Tection® HD

Castrol Tection HD 10W-30 is a heavy duty diesel engine oil designed to provide excellent performance and protection for U.S. 2002 technology EGR engines.  Its primary application is for pre-2004 U.S. trucks, buses and equipment, including both EGR and non-EGR engines.
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ELIXION™

Castrol Elixion is a technologically advanced fully synthetic diesel engine oil engineered to reduce operating costs while providing outstanding engine protection. 
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ON-ROAD NATURAL GAS ENGINE OILS

Castrol Duratec™ ES 15W-40

A synthetic lubricant formulated for use in natural gas fueled engines where minimal thermal degradation and good deposit control is expected. (Up to 1,200 hours.)
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Castrol Duratec™ NG 15W-40

Helps to prevent sludge, varnish, plugged filters, and deposits that occur in natural gas engines as a result of oxidation and nitration. (Up to 600 hours.)
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STATIONARY NATURAL GAS ENGINE OILS

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.
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Castrol Duratec™ A

Ashless Natural Gas Engine Oil 
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Castrol Duratec™ L

Low Ash Natural Gas Engine Oil 
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RAILROAD DIESEL ENGINE OIL

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. 
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