More Robust Additive System than API CJ-4 Oil |
Enhanced Durability Requirements |
SAE Grades |
High Temperature High Shear Viscosity |
Fuel Economy |
Back Serviceable |
Recommended by OEMs |
Applications |
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API CK-4 |
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API FA-4 |
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CITGARD 700 and CITGARD SynDurance Plus API CK-4 engine oils are engineered with advanced technology to improve durability in newer and older engines. These next generation engine oils improve fuel economy, enhance wear protection and support extended drain intervals.
CITGARD 700 MFE Synthetic Blend Engine Oil SAE 10W-30
CITGO CITGARD 700 MFE Synthetic Blend Engine Oil SAE 10W-30 is engineered for maximum fuel efficiency and API FA-4 compliant engines. Formulated with proprietary additive technology that protects engines running at higher operating temperatures and higher fuel injection pressures, while meeting tighter wear limits and lower emission requirements. Provides additional fuel economy compared to API CK-4 or API CJ-4 SAE 10W-30 engine oils.
CITGO CITGARD 700 MFE Synthetic Blend SAE 10W-30 Engine Oil is a new generation engine oil that supports the Phase II fuel efficiency standards which are driving the need for even more fuel efficient heavy duty engine oils combined with excellent wear protection and engine durability.
| OEM | API | OEM Specifications | CITGO Products | Viscosity Grades |
|---|---|---|---|---|
| Cummins | API CK-4 | Cummins CES 20086 | CITGARD 700 | 15W-40/10W-30 |
| CITGARD 700 | 5W-40/5W-30 | |||
| API FA-4 | Cummins CES 20086 | CITGARD 700 MFE • IX-15-17’ Model year • IX-12-18’ Model year |
10W-30 | |
| Detroit Diesel |
API CK-4 | DFS 93K222 | CITGARD 700 | 15W-40/10W-30 |
| SynDurance Plus | 5W-40/5W-30 | |||
| API FA-4 | DFS 93K223 | CITGARD 700 MFE | 10W-30 | |
| Mack Volvo Renault |
API CK-4 | Volvo VDS-4.5 Mack EOS-4.5 Renault VI RLD-4 |
CITGARD 700 | 15W-40/10W-30 |
| SynDurance Plus | 5W-40/5W-30 | |||
| Caterpillar | CJ-4 (Current SEB) |
No announced changes from 2016 yet | No announced changes from 2016 yet | Application specific. |
| Paccar | API CK-4 | • PACCAR refers to API designations when referencing specifications • NO specific OEM specification or engine oil qualification program as part of specifications. |
CITGARD 700 | 15W-40/10W-30 |
| SynDurance Plus | 5W-40/5W-30 | |||
| Navistar | API CK-4 | Uses only API designations. Does not use a specification qualification program | CITGARD 700 | 15W-40/10W-30 |
| SynDurance Plus | 5W-40/5W-30 | |||
| API FA-4 | Navistar only approves API FA-4 for new model GHG 17’ engines. | CITGARD 700 MFE | 10W-30 |
* It’s important to always consult engine manufacturer for proper lubricant selection.
PC-11 stands for Proposed Category 11 and includes a series of heavy-duty engine oil improvements that represent the next generation in engine oil technology. PC-11 will give rise to two new API categories, CK-4 (formerly PC-11A) and FA-4 (formerly PC-11B).
Diesel engine developments over recent years include engine hardware and engine operational changes. Heavy duty diesel engine oils must maintain engine durability by meeting the demands of newer engines while also contributing to improving fuel efficiency. One of the most significant changes to engines includes continuous operation at higher internal temperatures caused by higher horsepower and torque, creating more stress on the engine and engine oil.
The industry is focused on getting the best fuel efficiency without compromising engine durability. CK-4 (formerly PC-11A) will provide improved oxidation stability, aeration control and shear stability and will be backwards compatible for older engines. FA-4 (formerly PC-11B) oils will be designed to provide enhanced fuel economy but will only be recommended for 2017 engines and later.
PC-11A will become API CK-4 and will apply to multi-grade oils including 15W-40, 10W-40, 15W-30, 10W-30, 5W-40 and 5W-30 viscosity grades. API CK-4 oils will have a minimum High Temperature-High Shear (HTHS) viscosity (the viscosity as the oil flows at high temperature and under load in various engine components) of 3.5 or greater. API CK-4 oils will also be backward service fill capable for older engines and meet new engine requirements. PC-11B will become API FA-4 and will only apply to XW-30 viscosity grades such as 10W-30 and 5W-30. API FA-4 oils will only be recommended for 2017 model year engines and later. These oils will have a HTHS of less than 3.5 and will not be backward service compatible.
Both API CK-4 and API FA-4 will provide significant improvements in wear protection, deposit control, shear stability and oil aeration control. These engines oils will also have 60% better oxidation resistance compared to API CJ-4, which aids in extended service intervals.
Yes, a modest price differential is expected; however, this price increase may be offset by fuel savings and longer drain intervals compared with CJ-4 oils.
Yes, some equipment operators will likely choose to stay with API CJ-4 oils for a period of time, particularly in older equipment. In addition, some operators will need to know more about the advantages of CK-4 and FA-4 engine oils before making a change. FA-4 oils will likely take longer to move into the market because the oils may not have backward service capability with older engines.
The first licensed PC-11 engine oils are available as of December 1, 2016.
CITGO will continue to update our website and answer questions about PC-11. You can submit your questions below.
