Description
Castrol CRB Multi oil
For Long and healthy engine life

Multi-purpose, heavy-duty diesel engine oil
Castrol CRB Multi 15W-40 CH-4 is a multi-purpose, heavy-duty diesel engine oil. It is suitable for use in high-speed 4-stroke diesel engines that use a broad range of fuel qualities.
Castrol CRB Multi 15W-40 CH-4
Castrol CRB Multi 15W-40 CH-4 is a multi-purpose, heavy-duty diesel engine oil. It is suitable for use in high-speed 4-stroke diesel engines that use a broad range of fuel qualities.
Advantages
During its working life, your engine faces challenges from combustion by-products that can form deposits and thicken the oil.
Castrol CRB Multi combat helps combat these issues in two ways:
- It contains cleaning agents which help to displace particles that may otherwise build up on your engine surfaces reducing deposits.
- It also contains antioxidants which help to disrupt the chemical reactions that can lead to oil thickening.
Castrol CRB Multi 15W-40 CH-4 helps provide protection across multiple applications to encourage long and healthy engine life
Product performance claims
- API CH-4

Castrol® CRB® Multi is a versatile, multi-purpose, heavy-duty engine oil designed to provide superior protection within diesel engines.
Castrol CRB Multi promotes long and healthy engine life, offering protection to diesel engines in a variety of applications and duty cycles. 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.
Castrol CRB Multi’s versatility makes it a highly practical solution for heavy-duty workshops and mixed fleets. It conforms to the strict requirements of current engine oil technology and can be used in diesel engines where API CK-4, CJ-4 and below is required. Its special formulation helps to keep the engine cleaner, which provides more reliable engine protection and thus prolongs engine life across different vehicles in your fleet.
- 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
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