Photo courtesy of Hydrotex
In a comparative study conducted between 2024 and 2025, Oregon-based Pride Disposal Co. reported significant improvements in hydraulic system efficiency and reduced operating temperatures after transitioning to Hydrotex’s biosynthetic fluid, BIO-XPL.
The case study tracked the performance of BIO-XPL against conventional petroleum-based hydraulic fluids across a fleet of refuse trucks. According to Pride Disposal, over two distinct testing periods, September to November 2024 (warm weather) and January to March 2025 (cold weather), BIO-XPL consistently delivered superior performance, with operating temperature reductions of 13.4 F in warm conditions and 20.6 F in cold conditions.
"Switching to BIO-XPL represents a strategic win, allowing us to advance sustainability while reducing our fleet’s operational costs and enhancing performance," says Kristin Leichner, president of Pride Disposal. “The move helps us fulfill our commitment to be good environmental stewards in the communities we serve.”
According to Pride Disposal, BIO-XPL, formulated with more than 85 percent renewable content, is biodegradable and nontoxic. Its viscosity index above 190 ensures minimal viscosity change across temperature extremes, delivering higher hydro-mechanical and volumetric efficiency, improved wear protection and longer fluid life.
The study was a continuation of Pride Disposal's two-decade collaboration with Texas-based Hydrotex focused on reliability-centered maintenance, lubrication management and clean diesel fuel management. Since 2014, Pride Disposal has used Hydrotex Majestic Hydraulic Fluid, an ashless, zinc-free biodegradable product. The introduction of BIO-XPL in 2023 reinforced the company’s commitment to sustainable operations.
The results confirmed that high-VI biosynthetic lubricants reduce energy consumption, extend the life of hydraulic pumps, hoses and seals, minimize maintenance events and offer measurable return on investment, the companies say.
*Waste Today initially misidentified Pride Disposal as being based in Texas. We apologize for the error.
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