Fluid · Engine Oil
Engine Oil
for 2013-2026 Kenworth T370 6.7L I6 PACCAR PX-7 · RWD
Fluid Type
15W-40 API CK-4 diesel oil
Spec: Cummins CES 20086
Capacity
28qt
26.49 L
Drain & Refill
16.97 qt
16.05 L
Change Interval
5,000 mi
8,045 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
PACCAR PX-7 (2013+ emission spec). Capacity with filter. CK-4 required for 2017+ EPA emissions
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