What fleet buyers should confirm when sourcing SAE 15W-40 API CK-4 heavy-duty diesel engine oil.
Product category
Heavy-Duty Diesel Oils
Diesel engine oils for trucking, construction, agriculture and fleet maintenance.
21
Products
12
Grades and specs
21
Quote options
2
PDS requiring request
Where this category fits
Commercial applications
- Class 6-8 trucks
- Heavy equipment
- Diesel fleets
Category buying plan
Confirm product, package and documents.
Browse Ultra1Plus diesel oils and request confirmation of required approvals, package availability, TDS and SDS.
ViscosityAPI specsOEM approvalsPackage sizes
Buyer signals
What procurement teams can specify now.
Use these common grades, specifications and applications to narrow the request. MAXILUB confirms the exact product, package and documents before purchase.
Requests are routed to Maria Carolina Dorta; include the delivery ZIP to confirm South Florida support.
Common grades
SAE 15W-40SAE 5W-40SAE 25W-60SAE 40SAE 5W-30SAE 10W-30
Specs and applications
API CK-4/SNAPI SQAPI CI-4/SLAPI SN/CFAPI CFAPI CJ-4/SNDiesel enginesFleet maintenance
Selection guidance
Match diesel oil to engine generation and duty cycle.
Commercial diesel selection starts with the engine maker's viscosity and API requirement, then accounts for idle time, load, emissions equipment and planned drain intervals. Provide the engine population and maintenance schedule when requesting a fleet supply recommendation.
Include these details
- API category and OEM requirement
- Operating load, idle time and climate
- Fleet consumption and replenishment frequency
Buyer guides
Plan the specification and purchasing request.
How usage, storage and dispensing needs influence the right lubricant package size for a commercial operation.
Commercial buying paths
Choose a product below to request current pricing, package availability, PDS or SDS for your operation.
Packages confirmed by quote
21
Products requiring PDS request
2
Verified PDSUL108Package by quote
Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Diesel Motor Oil API CK-4/SN
Ultra1Plus SAE 15W-40 Full Synthetic Heavy-Duty Diesel Motor Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL106Package by quote
Ultra1Plus SAE 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil API CK-4/SN
Ultra1Plus SAE 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSPackage by quote
Ultra1Plus SAE 25W-60 Synthetic Blend Heavy-Duty Motor Oil
Ultra1Plus SAE 25W-60 Synthetic Blend Heavy-Duty Motor Oil for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL206Package by quote
Ultra1Plus SAE 15W-40 Synthetic Blend Heavy Duty Diesel Engine Oil API CK-4/SN
Ultra1Plus SAE 15W-40 Synthetic Blend Heavy Duty Diesel Engine Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
PDS by requestPackage by quote
Ultra1Plus SAE 5W-40 Full Synthetic Motor Oil, API SQ
Ultra1Plus SAE 5W-40 Full Synthetic Motor Oil, API SQ for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSPackage by quote
Ultra1Plus SAE 15W-40 Synthetic Blend Heavy-Duty Diesel Motor Oil API CI-4/SL
Ultra1Plus SAE 15W-40 Synthetic Blend Heavy-Duty Diesel Motor Oil API CI-4/SL for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL310Package by quote
Ultra1Plus SAE 40 Conventional Heavy-Duty Motor Oil API SN/CF
Ultra1Plus SAE 40 Conventional Heavy-Duty Motor Oil API SN/CF for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL107Package by quote
Ultra1Plus SAE 5W-30 Full Synthetic Heavy-Duty Diesel Motor Oil API CK-4/SN
Ultra1Plus SAE 5W-30 Full Synthetic Heavy-Duty Diesel Motor Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL210Package by quote
Ultra1Plus SAE 10W-30 Synthetic Blend Heavy Duty Diesel Engine Oil API CK-4/SN
Ultra1Plus SAE 10W-30 Synthetic Blend Heavy Duty Diesel Engine Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSPackage by quote
Ultra1Plus SAE 40 Conventional Heavy-Duty Motor Oil, API CF
Ultra1Plus SAE 40 Conventional Heavy-Duty Motor Oil, API CF for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL307Package by quote
Ultra1Plus SAE 20W-50 Heavy-Duty Diesel Motor Oil API CI-4/SL
Ultra1Plus SAE 20W-50 Heavy-Duty Diesel Motor Oil API CI-4/SL for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSPackage by quote
Ultra1Plus SAE 20W-50 Synthetic Blend Heavy-Duty Diesel Engine Oil, API CJ-4/SN, CI-4 PLUS
Ultra1Plus SAE 20W-50 Synthetic Blend Heavy-Duty Diesel Engine Oil, API CJ-4/SN, CI-4 PLUS for diesel fleets, trucking and equipment maintenance.
Verified PDSUL407Package by quote
Ultra1Plus 2-Cycle Air Cooled High Performance Motor Oil
Ultra1Plus 2-Cycle Air Cooled High Performance Motor Oil for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL306Package by quote
Ultra1Plus SAE 15W-40 Heavy-Duty Diesel Motor Oil API CI-4/SL
Ultra1Plus SAE 15W-40 Heavy-Duty Diesel Motor Oil API CI-4/SL for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL312Package by quote
Ultra1Plus SAE 50 Conventional Heavy-Duty Motor Oil API CF
Ultra1Plus SAE 50 Conventional Heavy-Duty Motor Oil API CF for diesel fleet, trucking, construction and equipment maintenance programs.
PDS by requestPackage by quote
Ultra1Plus SAE 50 Heavy Duty Diesel Motor Oil API CH-4/SG
Ultra1Plus SAE 50 Heavy Duty Diesel Motor Oil API CH-4/SG for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL308Package by quote
Ultra1Plus SAE 15W-40 Heavy Duty Diesel Engine Oil API CJ-4/SN
Ultra1Plus SAE 15W-40 Heavy Duty Diesel Engine Oil API CJ-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSPackage by quote
Ultra1Plus SAE 40 Conventional Heavy-Duty Motor Oil
Ultra1Plus SAE 40 Conventional Heavy-Duty Motor Oil for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL308Package by quote
Ultra1Plus SAE 15W-40 Conventional Heavy-Duty Diesel Motor Oil API CK-4/SN
Ultra1Plus SAE 15W-40 Conventional Heavy-Duty Diesel Motor Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL319Package by quote
Ultra1Plus SAE 15W-50 Conventional Heavy-Duty Diesel Motor Oil API CK-4/SN
Ultra1Plus SAE 15W-50 Conventional Heavy-Duty Diesel Motor Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Verified PDSUL213Package by quote
Ultra1Plus SAE 15W-50 Synthetic Blend Heavy-Duty Diesel Motor Oil API CK-4/SN
Ultra1Plus SAE 15W-50 Synthetic Blend Heavy-Duty Diesel Motor Oil API CK-4/SN for diesel fleet, trucking, construction and equipment maintenance programs.
Next step
Build a Heavy-Duty Diesel Oils supply request.
Request pricing for heavy-duty diesel oils with package size, quantity, frequency and delivery ZIP details.