XCEL Maximum Duty PlusOils area blend of premium conventional base stocks and the latest in engine oil additive technology to offer the ultimate protection for your engine. Designed to meet or exceed the latest OEM and API CK-4 requirements, it is also backwards compatible to previous OEM and API specifications such as CJ-4, CI-4,CI-4+, and CH-4.
XCEL Maximum Duty Plus Oils carry the API SN classification for use in gasoline engines and isan excellent choice for operators with mixed fleets. This oil is speciallydesigned to protect EGR/Low-Emission Diesel Engines while maximizing the durability of Diesel Particulate Filters (DPF’s).
XCEL Maximum Duty Plus Oils are recommended for use in a wide range of heavy-duty applications and operating environments found on-and off-highway, including engines operating under heavy loads. It is formulated for extended service/extended drain when operated under typical operating conditions. They offer improved TBN retention, lower oil consumption, greater wear protection, oxidation stability, excellent shear stability, and reduced high temperature deposits.
* Always refer to your vehicles operating manual to select the correct grade oil for your engine.
PRODUCT LINE
MAXIMUM DUTY PLUS 15W-40 CK-4,10 TBN
4/1 GALLON 845-19107-36 | 5 Gallon 845-19104-25
55 Gallons 845-19103-05 | 330 Gallons 845-19108-02
MAXIMUM DUTY PLUS 20W-50 CK-4,10 TBN
5 Gallon 845-19194-25
Packaging Options
Fit your every need
Available in
Maximum Duty Plus 20W-50 CK-4
Wolf’s Head Special Duty CI-4/SL 15W-40 Motor Oil delivers superior long-lasting protection for both turbocharged and naturally aspirated diesel and gasoline engines, including those engines that have exhaust gas recirculation (EGR) systems. Advanced additive systems as well as rigorous laboratory and field testing have proven to protect your engine. It is specifically engineered to meet OEM prerequisites for performance, TBN, and balanced ash requirements. It is formulated for extended service/extended drain when operated under typical operating conditions and is engineered to help promote fuel economy.
* Always consult your vehicle’s owner’s manual when
selecting the appropriate viscosity and service grade.
PRODUCT LINE
SUPER DUTY 10W-40 CI-4/SL
5 Gallon 845-15484-25 | 55 GALLON 845-15483-05
SUPER DUTY 15W-40 CI-4/SL
12/1 QUART 845-15406-56 | 4/1 Gallon 845-15407-36
5 Gallon 845-15404-25 | 55 Gallon 845-15403-05
275 Gallon 845-84507-14
SUPER DUTY 20W-50 CI-4/SL
12/1 QUART 845-15496-56 | 4/1 Gallon 845-15497-36
5 Gallon 845-15494-25 | 55 Gallon 845-15493-05
Packaging Options
Fit your every need
Available in
Wolf’s Head Special Duty CI-4/SL 15W-40 Motor Oil delivers superior long-lasting protection for both turbocharged and naturally aspirated diesel and gasoline engines, including those engines that have exhaust gas recirculation (EGR) systems. Advanced additive systems as well as rigorous laboratory and field testing have proven to protect your engine. It is specifically engineered to meet OEM prerequisites for performance, TBN, and balanced ash requirements. It is formulated for extended service/extended drain when operated under typical operating conditions and is engineered to help promote fuel economy.
* Always consult your vehicle’s owner’s manual when
selecting the appropriate viscosity and service grade.
PRODUCT LINE
EXTRA DUTY 40 CF-2/SL, 13 TBN
5 Gallon 845-01944-25 | 55 Gallon 845-01943-04
EXTRA DUTY 50 CF-2/SL, 13 TBN
55 Gallon 845-01953-04
EXTRA DUTY 15W-40 CI-4+/SL, 13 TBN
4/1 Gallon 845-11907-36 | 5 Gallon 845-11904-25
55 Gallon 845-11903-05
EXTRA DUTY 15W-40 PLUS CI-4+/SL, 13 TBN
55 Gallon 845-11903-04
EXTRA DUTY 20W-50 CI-4+/SL, 13 TBN
4/1 GALLON 845-11997-36
Packaging Options
Fit your every need
Available in
Extra Duty 50W CF-2/SL
Extra Duty 15W-40 PLUS CI-4+/SL
Extra Duty 20W-50 CI-4+/SL
Wolf’s Head Special Duty CI-4/SL 15W-40 Motor Oil delivers superior long-lasting protection for both turbocharged and naturally aspirated diesel and gasoline engines, including those engines that have exhaust gas recirculation (EGR) systems. Advanced additive systems as well as rigorous laboratory and field testing have proven to protect your engine. It is specifically engineered to meet OEM prerequisites for performance, TBN, and balanced ash requirements. It is formulated for extended service/extended drain when operated under typical operating conditions and is engineered to help promote fuel economy.
* Always consult your vehicle’s owner’s manual when
selecting the appropriate viscosity and service grade.
PRODUCT LINE
SDL DIESEL ENGINE OIL 40 CF-2/SJ, 8 TBN
5 Gallon 845-06444-25
SDL DIESEL ENGINE OIL 50 CF-2/SJ, 8 TBN
5 Gallon 845-06454-25
SDL DIESEL ENGINE OIL 15W-40 CH-4/SJ, 8 TBN
5 Gallon 845-16404-25 | 55 GALLON 845-16403-05
Packaging Options
Fit your every need
Available in
SDL Diesel Engine Oil 40 CF-2/SJ
SDL Diesel Engine Oil 50 CF-2/SJ