Engine Oil

for 2018-2026 Freightliner M2 106 8.9L I6 Cummins L9 · RWD

Fluid Type

15W-40 API CK-4 diesel oil

Spec: Cummins CES 20086

Capacity

32qt

30.27 L

Drain & Refill

27.01 qt

25.55 L

Change Interval

5,000 mi

8,045 km

Data quality

✓ Verified

Cross-checked against OEM or multiple independent sources.

Notes

Cummins L9 with oil filter. Evolution of ISL9. Can use 10W-30 or 5W-40 CK-4 for temperature optimization. FA-4 oils acceptable where approved by Cummins.

Buy on Amazon

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other fluid systems on this vehicle

Automatic Transmission

30 qt

Washer Fluid

4 qt

🔌 Need this data in your app? It's all in the free API →

🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.

Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI

Share:X Reddit FB WhatsApp Threads Email

⚠ STILL BEHIND THE PAYWALL

The 2018-2026 Freightliner M2 106 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.

The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.

Sponsor the Freightliner M2 106 — $99 →

Building an app?

Free API access to all this data — 10 requests/day, no card required.

Get an API key →

Run a shop?

Manage repairs, estimates, and customers with Auto Shop Base — $249/mo, all features included.

Try Auto Shop Base →