OKAYA ULTIMAXE 15W-40 Diesel Engine Oil | CI-4+, CH-4 & CF-4 - OKAYA ULTIMAXE LUBRICANTS OKAYA ULTIMAXE��� Lubricants - High-Quality Automotive and Industrial Lubricants in India
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Performance for the Road.
Protection for the Engine.

15W-40 API CI-4+15W-40 API CH-415W-40 API CF-4
Product Catalogue

Explore Our Diesel Engine Oil Range

OKAYA ULTIMAXE SAE 15W-40 API CI-4+ diesel engine oil pack
OKAYA
ULTIMAXE®15W-40
API CI-4+
OKAYA ULTIMAXE® · DIESEL ENGINE OIL

15W-40 API CI-4+

Advanced protection for demanding diesel applications

A multigrade heavy-duty diesel engine oil for engines that specify SAE 15W-40 and API CI-4+ service performance.

OKAYA ULTIMAXE 15W-40 API CI-4+ is positioned for demanding diesel-engine service in compatible commercial and heavy-duty applications. Its multigrade viscosity category is intended to provide lubrication across a range of operating temperatures. When selected in accordance with the engine manufacturer's recommendations, the formulation is intended to help protect moving engine components, support control of deposits and maintain dependable lubrication during regular service.

Key product features
For demanding heavy-duty diesel duty cyclesDesigned to help control soot-related thickeningHelps protect against wear under severe serviceSupports piston cleanliness and deposit controlSuitable for compatible turbocharged diesel engines
Available pack sizes
500 mL1 L2.1 L3 L3.5 L5 L6 L7 L7.5 L8.5 L10 L20 L26 L50/55 L210 L
ENQUIRE ABOUT THIS PRODUCT
OKAYA ULTIMAXE SAE 15W-40 API CH-4 diesel engine oil pack
OKAYA
ULTIMAXE®15W-40
API CH-4
OKAYA ULTIMAXE® · DIESEL ENGINE OIL

15W-40 API CH-4

Dependable lubrication for commercial diesel engines

A multigrade diesel engine oil for engines that specify SAE 15W-40 and API CH-4 service performance.

OKAYA ULTIMAXE 15W-40 API CH-4 is intended for compatible diesel engines operating in commercial, transport and agricultural applications. The SAE 15W-40 multigrade classification provides an operating-viscosity category selected for a variety of service conditions. Used where API CH-4 is specified, the oil is designed to provide dependable lubrication and help manage wear, oxidation and deposit formation during normal engine operation.

Key product features
Balanced everyday protection for commercial fleetsHelps limit sludge and high-temperature depositsDesigned to support oxidation resistanceProvides dependable lubrication for compatible enginesSuitable for transport and agricultural applications
Available pack sizes
500 mL1 L2.1 L3 L3.5 L5 L6 L7 L7.5 L8.5 L10 L20 L26 L50/55 L210 L
ENQUIRE ABOUT THIS PRODUCT
OKAYA ULTIMAXE SAE 15W-40 API CF-4 diesel engine oil pack
OKAYA
ULTIMAXE®15W-40
API CF-4
OKAYA ULTIMAXE® · DIESEL ENGINE OIL

15W-40 API CF-4

Practical performance for compatible older diesel engines

A multigrade diesel engine oil for engines that specify SAE 15W-40 and API CF-4 service performance.

OKAYA ULTIMAXE 15W-40 API CF-4 is intended for compatible older-generation diesel engines and equipment for which this service category is recommended. Its SAE 15W-40 multigrade classification is suited to applications requiring this viscosity grade. When used in accordance with the engine manufacturer's guidance, it is designed to provide reliable lubrication and help protect engine components in the specified operating environment.

Key product features
Intended for compatible older-generation diesel enginesFor equipment where API CF-4 is specifically recommendedHelps reduce friction-related component wearSAE 15W-40 grade for specified equipmentA practical option for legacy vehicle and stationary engines
Available pack sizes
500 mL1 L2.1 L3 L3.5 L5 L6 L7 L7.5 L8.5 L10 L20 L26 L50/55 L210 L
ENQUIRE ABOUT THIS PRODUCT
Important Information

Choosing the Correct Engine Oil

Use the viscosity grade and service category recommended by the engine or equipment manufacturer.

01

Check SAE Viscosity

Confirm that SAE 15W-40 is an approved viscosity grade for your engine and expected operating conditions.

02

Check API Category

Choose CI-4+, CH-4 or CF-4 only where the engine manufacturer specifies that category or confirms an applicable replacement.

03

Confirm Technical Data

Refer to the current technical data sheet and certificate of analysis for actual viscosity, flash point, pour point and other test results.

Technical information: For numerical laboratory values such as kinematic viscosity, viscosity index, flash point, pour point, TBN and density, please refer to the latest approved product TDS / batch COA. Confirm the required SAE grade and API service category with the engine manufacturer before use.

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Contact OKAYA ULTIMAXE® for product information, pack availability and commercial enquiries.

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