PennGrade Reliant Premium HDEO SAE 15W-40 is a heavy-duty diesel engine oil designed for today's demanding diesel engines. It uses synthetic blend base technology and enhanced additive chemistry for thermal stability and wear protection under heavy loads, high temperatures, and extended operating conditions, and PennGrade lists it as suitable for both modern and older diesel engines. This listing is for a single 5 quart bottle.
Specifications:
- Product: PennGrade Reliant Premium HDEO SAE 15W-40
- Viscosity grade: SAE 15W-40
- Viscosity index: 136
- Flash point: 435 F (224 C) (D92)
- Pour point: -27 F (-33 C) (D97)
- Industry/API spec: API CK-4 (backwards compatible per PDS); meets ACEA E9-16, Deutz DQC III-18 LA, Daimler MB228.31, JASO DH-2, MTU Type 2.1; approvals CAT ECF-3, Cummins CES 20086, DDC DFS 93K222, Ford WSS-M2C171-F1, Mack EOS-4.5, Renault RLD-4, Volvo VDS-4.5
- Typical use: On-road and off-road heavy-duty diesel; modern and older diesel engines (backward compatible)
- Package: 5 Quart Bottle
- Part number: BPO72100
FAQ
What API rating does PennGrade Reliant Premium 15W-40 carry?
PennGrade lists it as API CK-4 and backward compatible, with approvals and claims including Cummins CES 20086, Mack EOS-4.5, Volvo VDS-4.5, and Detroit DFS 93K222 per its data sheet.
Is it a synthetic blend?
Yes. PennGrade describes it as using synthetic blend base technology.
Can it be used in older diesel engines?
Yes. PennGrade lists it as suitable for both modern and older diesel engines.
How is this listing packaged?
This listing is a single 5 quart bottle. It is also stocked in other package sizes (Case of Four 5-Quart Bottles).

