Keller-Heartt Oil Blog

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Diesel Exhaust Fluid

The Best Trucking Fluids to Buy in Bulk

Fleet managers can save significant money by buying fluids in bulk. Here are the top ones to stock up on and make sure your fleet is always running...

Oil

What Do CK-4 Oils Mean for Your Fleet?

The climate is getting hotter and so are modern engines. Learn about how CK-4 improves fuel economy, keeps up with changing engine technology, and...

Fleet Management

The ROI of Synthetic Oil for Your Fleet

From reducing maintenance costs to boosting fuel efficiency, see how switching to synthetic motor oil can boost your fleet’s performance and save you...