6.4 Hemi Oil Capacity by Year
Most Ram Heavy Duty trucks with the 6.4L Hemi use 7.0 qt with filter. SRT passenger-car 392 Hemi applications can differ, so this guide focuses on Ram truck service fills. Use the table and finder below to match the exact year and application before refilling.
Typical fill
2014-2018
Range
with filter
Recommended oil
check owner manual
Capacity Finder
Check your year and truck series
Oil capacity with filter
Later Ram HD 6.4L trucks commonly retain the 7 qt with-filter service fill. Verify the exact oil approval in the model-year manual.
Oil Capacity by Year and Application
All numbers below are with a new oil filter.
Who This Covers
This page is for Ram 2500 / 3500 with 6.4L Hemi 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
6.4 Hemi 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.
Common Questions
How many quarts does a 6.4 Hemi take?
6.4 Hemi takes 7 qt with a new oil filter. For many applications, 7 qt is the starting point for 2014-2018 Ram 2500 / 3500 with 6.4L Hemi.
Does 6.4 Hemi 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 6.4 Hemi use?
6.4 Hemi commonly uses 0W-40. Match the recommended oil shown for your exact row and confirm it against your owner manual or oil cap.
Why do 6.4 Hemi 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
More Ways to Check
Based on Ram 2500/3500 owner manual capacity and fluid specification tables for 6.4L Hemi truck applications.. Check your owner manual before service to confirm the exact vehicle setup.