Fluid · Engine Oil
Engine Oil
for 2010-2017 Freightliner M2 106 8.9L I6 Cummins ISL9 · RWD
Fluid Type
15W-40 CJ-4 diesel engine oil
Spec: Cummins CES 20081
Capacity
30qt
28.38 L
Drain & Refill
28.01 qt
26.5 L
Change Interval
5,000 mi
8,045 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
Cummins ISL9 with oil filter change. Synthetic 10W-30 or 5W-40 optional for extreme temps. Capacity varies slightly by oil pan configuration.
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