Harvest King Oil is well-known for its diverse product line and widespread availability in practically every gas station in the United States. 

But do you know who makes Harvest King? Is it the company themselves? Or do they outsource the manufacturing to some other brand?

Keep reading to find the answer below.

Who Makes Harvest King Oil?  

In the market, you can find harvest king oil with mixed brand names, as both Citgo and Warren were once the parent company of Harvest king oil. 

Harvest king has been given to other corporations for production purposes multiple times. Initially, Warren had the production rights of Rural King, the parent company of Harvest king oil. Due to production challenges, Mid-States Distributing Company, Inc, which holds the distributing rights of Rural King, gave the manufacturing rights to Citgo in around 2015. And after 2018, the production of Harvest King oil production moved back to Warren.  

History of Harvest King Oil  

Harvest King has provided a diverse range of oils, fluids, and lubricants to protect automobiles and agricultural equipment since 1954. They have been established as an oil manufacturing brand for over 70 years. They offer a diverse range of motor oil products, including hydraulic fluid for tractors, motor oil, brake oil, and many others. Let’s take a look at who owns Harvest King oil.

About The Manufacturer  

Warren Oil is a big oil manufacturing brand in the United States. It was founded in 1922 and was acquired by Trail Creek Investments in 2016. The company’s current chairman and CEO is James’s grandson, Robert Bob Schlott. The company employs over 500 people and produces various products such as passenger car motor oil, heavy-duty engine oil, agricultural and industrial oils, automotive additives and chemicals, outdoor and marine products, and greases. They claim North America’s largest private label lubricant manufacturer and automotive chemical distributor, producing 140 million gallons annually.  

Where is Harvest King oil made? 

Harvest King Oil products are available all over the world. They have manufacturing facilities in six different states. They are typically produced and distributed from Alabama, Arkansas, Texas, Illinois, Pennsylvania, and North Carolina.  

The production line is not big as some famous brands in the market. For example, Fram’s production line is spread throughout the US. I’m sure the brand budgets and popularity play a significant role here.

Certifications of Harvest King oil   

Harvest king oil has both API SN/GF-5 and GM dexos1 certification. The oil’s kinematic and cold cranking viscosity tests meet SAE J300 criteria. The Phosphorus test findings on this Harvest oil sample also meet the API SN/ILSAC GF-5 criteria.

Why choose Harvest King Oil Over Others?

Other established brands in the market compete with the Harvest King brand. Mobil 1, Castrol, and other well-known brands are among them. These companies each have their qualities and consumer base, but Harvest King Oil stands out from the crowd.

Advantages of using Harvest King oil over other motor oils – 

  • Its price is lower than that of its competitors.  
  • Offer engine protection for over 4000 miles.  
  • A certified, well-known, and well-established brand in the engine oil market. Not that a brand name would matter so much, some people still like to know what company they’re using.  
  • A wide range of products is available depending on your car’s performance.  
  • Available in multiple viscosity grades, including SAE 0W-20*, 5W-20*, 5W-30, and 10W-30.  

Is Harvest King oil any good?  

Harvest king oil has been on the market for many years and is trusted by millions of customers.

If you ask me if Harvest King oil is a good engine oil, the short comment is yes. Harvest King Oil offers the best value-for-money goods and has many delighted consumers. There is no mention of any consumer difficulties or problems with Harvest oil. This oil gives your car the optimum lubrication and protection. So, as a company working in the engine oil sector for many years, harvest oil is a recommended product. 

The same question people had for Pennzoil, so we wrote an article on the same. If you’re wondering if the competition Pennzoil is any good, you can find out from our website.

Products under Harvest king oil  

Harvest King Oil offers a wide range of lubrication products based on the needs and performance of your vehicle. Here are some of the most well-known Harvest King products on the market:

  • Premium Universal Trans-Hydraulic Fluid
  • Vintage Tractor Hydraulic Fluid
  • AW-46 Hydraulic Oil – 5 gal
  • Bar and Chain Oil
  • Multi-Purpose Automatic Transmission Fluid


Harvest King Oil has been in this industry for many years and is a well-known engine oil brand. Harvest oil vendors have changed over the years, but the quality and desirability of this oil have remained according to industry standards. As a result, it is suggested for everyone. 

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