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API Service Category CK-4 describes oils for use in high-speed four-stroke cycle diesel engines designed to meet 2017 model year on-highway and Tier 4 non-road exhaust emission standards as well as for previous model year diesel engines.
- Latest Oil Classifications
Latest Oil Classifications - Oil Categories - API
- Latest Oil Categories
Latest Oil Categories - Oil Categories - API
- Documents
Documents - Oil Categories - API
- Motor Oil Guide
Motor Oil Guide. This six-page laminated guide is designed...
- NG API’S MOTOR OIL GUIDE
diesel engines designed to meet 2017 model year on-highway...
- WHICH OIL IS RIGHT FOR YOU?
identify quality motor oils for gasoline- and diesel-powered...
- Latest Oil Classifications
Motor Oil Guide. This six-page laminated guide is designed to help consumers understand the API Engine Oil Quality Marks—the API Certification Mark "Starburst," the API Certification Mark "Shield" and the API Service Symbol "Donut"—and the API Service Categories.
diesel engines designed to meet 2017 model year on-highway greenhouse gas (GHG) emission standards. API FA-4 oils are not interchangeable or backward compatible with API CK-4, CJ-4, CI-4 with CI-4 PLUS, CI-4, and CH-4 oils. Refer to engine manufacturer recommendations to determine if API FA-4 oils are suitable for use. 1 2 3 4 6 5 API’S ...
5 Ιουν 2024 · Choosing the right API specification for diesel engine oil depends on various factors, including the engine's age, design, operating conditions, and emission control systems. It's essential to consult the vehicle manufacturer's recommendations and consider the API service category to ensure optimal engine performance and longevity.
The API “S” series describes oil standards primarily for gasoline engines while the API “C” series describes oil standards for diesel engine service. A description of the API service symbol and category mark can be found in the Engine Oil Guide published by the API [1875].
identify quality motor oils for gasoline- and diesel-powered vehicles. Oils displaying these marks meet performance requirements set by U.S. and international vehicle and engine manufacturers and the lubricant industry.
An API rating has one of the following formats: Two letters starting with an S: This indicates that the oil is for gasoline engines. Two letters starting with a C, followed with a “-4”: This indicates that the oil is for diesel engines.