2009 Hummer H3T Oil Type & Capacity

The 2009 Hummer H3T takes 5W-30 motor oil — 6.0 quarts with a filter change, per the factory service manual.

Factory-spec answer

5W-306.0 quarts with filter

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
AlphaAPI - SAE 5W-306.00 QTS.Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures.
Base, AutomaticAPI - SAE 5W-306.00 QTS.Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures.
Base, StandardAPI - SAE 5W-306.00 QTS.Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures.

Buy the right oil

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More specs & repair guides for your H3T

2009 Hummer H3T factory service manualAll fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner site AllOEMManuals.com.

Coolant capacity

14.3 quarts (13.53 L) — 50/50 mixture of DEX-COOL and drinkable water

Frequently asked questions

What type of oil does a 2009 Hummer H3T take?

The 2009 Hummer H3T takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.

How much oil does a 2009 Hummer H3T take?

The 2009 Hummer H3T holds 6.0 quarts with a filter change.

Can I use synthetic oil in my 2009 Hummer H3T?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Hummer H3T. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Hummer H3T years

2010 H3T

Other Hummer models

H2H3