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Keller-Heartt has Truegard Propylene Glycol Heat Transfer Fluids in both Inhibited and Food Grade! Order Today!
Propylene Glycol Available. Order Today!

Hydraulic Oil

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Keller-Heartt's hydraulic oils can overcome the toughest of conditions to improve the efficiency of your hydraulic system. We offer 5-gallon pails and 55-gallon drums of the best Shell and TRUEGARD hydraulic fluids that will protect your system from harmful deposits and wear.


Keller-Heartt's TRUEGARD brand is your greatest defense against oxidation. TRUEGARD AW 32, 46, and 68 provide excellent thermal stability and anti-wear properties to keep your hydraulic system running at optimal levels.


Our Shell products use a patented technology to reduce breakdown in all temperature conditions. The Shell Tellus S2 V 68 Hydraulic Oil has excellent viscosity control, especially in cold starting temperatures and normal operating temperatures. Meanwhile, our Shell Tellus S2 M 32 Hydraulic Oil performs well under hot and heavy-duty load conditions. The Shell Tellus S3 V 46 Hydraulic Oil, available in 55-gallon drums, possesses a high viscosity index and preserves oil thickness in universal conditions to decrease maintenance work.