Keller-Heartt Oil Blog

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Synthetic vs. Mineral Oil

Learn the differences between synthetic and mineral oil to make an informed decision for your vehicle. Explore the pros and cons to choose the right...


Metalworking Oils for Peak Performance

Unlock peak performance, efficiency, and longevity for your metalworking operations with expert insights on essential oils.


Buy CASSIDA Grease Products in Bulk and Save

CASSIDA Grease is critical in many industries–especially food and beverage. The best way to make sure you never run out is to buy in bulk from...


Oil Sampling Best Practices

From oil sampling rules to TBN upgrades, find comprehensive insights for hydraulic system care.


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...


Synthetic vs. Conventional Oil

There isn't a universal standard for choosing between synthetic and conventional oil but there are things to consider during the decision making...


Comparing Truegard® Brake Cleaner and CRC

Truegard® brake cleaner offers dramatic cost savings over CRC for businesses that can buy brake cleaner in bulk 55-gallon drums.


Should I Use AW32 or AW46 Hydraulic Fluid?

Should you use AW32 or AW46 hydraulic fluid in your system? It comes down to the operating conditions, like temperature, and design of your equipment.


Rotella T6 Is Now Available

Learn which oils Shell’s Rotella T6 5W-40 is a good substitute for and what may have been behind the recent shortage.