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    Chevron Makes John Deere J20D & J20C

    I Emailed Chevron and asked the question if they made the Hy-Gard Fluids for them, and they Replied with the following. Our Chevron (All Weather THF Full Synthetic) is "John Deere Hy-Gard J20D", Our Chevron (THF-1000) is "John Deere Hy-Gard J20C". They would not give into any further details...
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    Which John Deere Hy-Gard Fluid In My X370 Riding Mower

    I just Purchased a new John Deere X370 Riding Mower, anyways it recommends using the JD (J20D Low Viscosity Fluid) in it, which is a Fluid designed for more Northern Climates, But since I live in Florida where the average day time Mowing Temperatures are in the High 90+ in the Summer months...
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