The following applications whenever the manufacturer recommends SAE 15W-40
or 20W-50 multigrade lubricants meeting API CH-4 performance or below:
- Mixed fleets of diesel engines (high speed, four-stroke, turbocharged or naturally aspirated)
- Commercial road transport
- Off-highway vehicles
- Agricultural tractors and farm machinery
- High speed diesel engines in marine service (e.g., fishing boat, river transport)