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S.E. IL | We have used Schaffer products on our farm and in our trucking business for 25 years ith no oil related failures to date. We did try some Deere synthetic for a short time until our salesman found out. After a long talk we concluded that Schaffer met all of the OEM warranty requirements and have used only Schaffer every since. We really like thier gear lube and moly grease too. | |
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