Keller-Heartt Oil Blog

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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...

Propylene Glycol

Ice Making Made Better With Propylene Glycol

Propylene glycol is critical for good ice making. Learn about the types of glycol, the best water-to-glycol ratio, and how to save by buying in bulk.

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...

Cutting Oil

Save Money on Cutting Oil

Stock up on the cutting oils you need in advance and save thousands of dollars by buying in bulk without extra fees or overhead.


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...

Cutting Oil

The Power of a Clean Machine Sump

Maintaining clean machine sumps and coolants is crucial for optimal performance and longevity of your equipment.


Best Practices for Storing DEF

Learn how to store your diesel exhaust fluid (DEF) in a way that's safe, cost-effective, and not wasteful.


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.

Cutting Oil

Choosing the Right Cutting Oil

Without using the appropriate cutting oil for the type of metal and metalworking you wish to do, drilling, grinding, broaching, and other methods of...


Equivalent Substitutes for Mobil Delvac 15W-40

You need proper lubrication for high performance diesel engines, even when your preferred brands are sold out or expensive. Read on for suitable...


How to Properly Dispose Oil Absorbents

Whether being used for a large oil spill or just a small mishap, the proper disposal of oil absorbents plays an important role in keeping our planet...

Brake Cleaner

Do I Have to Have a Low VOC Brake Cleaner?

Be aware of the rules and regulations surrounding Volatile Organic Compounds (VOCs) to protect yourself and the planet!


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.

Brake Cleaner

The Different Uses of Brake Cleaner

Brake cleaner is a powerful solvent and has many uses beyond just extending the life of brakes. Here are some other ways to use it.

Propylene Glycol

The Benefits and Uses of Propylene Glycol

Propylene glycol is a coolant with many applications and is safe for use in everything from beer brewing to stabilizing medications.


How a Roth Tank Can Prevent Oil Leaks

A Roth double-walled tank offers a secure, long-term solution for preventing oil and chemical leaks. Here is information for people considering...


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.

Beat the Cold With Shell Rotella T6

Some of us are lucky enough to live in temperate climates year-round, but for the rest of us, we need a heavy-duty engine oil to help us drive from A...