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Still_Searchin_'s avatar
Still_Searchin_
Explorer
Aug 04, 2017

Heavier engine oil for pulling with Toyota Highlander?

We have a 2012 V6 Toyota Highlander with the tow pkg, rated to pull 5,000#. We pull a 3,200# Casita travel trailer (loaded). Manual calls for 0-20 full synthetic engine oil, but mentions heavier oi...
Tow Vehicles
ShinerBock's avatar
ShinerBock
Explorer
Aug 04, 2017
The number is the oils SAE graded viscosity, not weight.

The "W" means winter to reference the oils graded viscosity at cold temps (usually around 0F) while the second number is its graded viscosity at normal operating temps around 212F.

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