verifiedOil capacity guide

Cummins L9 Oil Capacity by Year

L9 oil capacity depends heavily on oil-pan configuration. Standard-pan setups are often 24 qt, while stiffener-block and high-capacity pans require more oil. Use the table and finder below to match the exact year and application before refilling.

Typical fill

24 qt

2013-2026

Range

24-28 qt

with filter

Recommended oil

Cummins CES 20086 / API CK-4

check owner manual

Capacity Finder

Check your year and truck series

Oil capacity with filter

24qt22.7 L

Cummins lists about 22.7 L (24 qt) total-system capacity for the standard-pan L9. If pan style is unknown, use this as a starting point and confirm before filling.

Oil Capacity by Year and Application

All numbers below are with a new oil filter.

2013-2026L9 with standard oil pan24 qt22.7 LCummins CES 20086 / API CK-4
2013-2026L9 with stiffener-block oil pan27 qt25.6 LCummins CES 20086 / API CK-4
2013-2026L9 with high-capacity oil pan28 qt26.5 LCummins CES 20086 / API CK-4

Who This Covers

This page is for L9 with standard oil pan, L9 with stiffener-block oil pan, L9 with high-capacity oil pan and similar vehicles using the same engine family. Before adding oil, match the exact year and application in the table below.

Why Your Number May Differ

Cummins L9 oil capacity is not always one fixed number. It can change by model year, vehicle setup, and oil-pan configuration, so use the row that matches your vehicle before refilling.

warningBefore You Fill
Add about 0.5 qt less than the listed capacity first, start the engine briefly, wait a few minutes, then verify with the dipstick and top off gradually. Do not rely on a generic engine answer if your vehicle is a different series, chassis-cab, medium-duty, or special-package configuration.

Common Questions

How many quarts does a Cummins L9 take?

Cummins L9 takes 24-28 qt with a new oil filter. For many applications, 24 qt is the starting point for 2013-2026 L9 with standard oil pan.

Does Cummins L9 oil capacity include the filter?

Yes. The capacity values on this page include a new oil filter, which is the number normally used during a full oil change.

What oil does a Cummins L9 use?

Cummins L9 commonly uses 15W-40 normal service; 10W-30 where approved. Match the recommended oil shown for your exact row and confirm it against your owner manual or oil cap.

Why do Cummins L9 oil capacity numbers differ?

Oil capacity can change by model year, vehicle application, oil pan, emissions package, and whether the source is listing a with-filter service fill.

Browse by Year

2024 Cummins L9 Oil Capacityarrow_forward2021 Cummins L9 Oil Capacityarrow_forward2018 Cummins L9 Oil Capacityarrow_forward2013 Cummins L9 Oil Capacityarrow_forward

More Ways to Check

Look up by VIN

Based on Cummins L9 truck maintenance and operation guides, supported by International's engine oil capacity bulletin for common pan-and-filter totals.. Check your owner manual before service to confirm the exact vehicle setup.