Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quart Jug
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Motor Oils
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About Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quart Jug
Overall Feedback:
98% positive
99% appreciated its compatibility with engines
I used the oil in my hydrostatic mower transmission and found that it required more zinc than other 20w50 oils specifically for hydrostatic transmissions.
