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Royal City, WA | I have a 2018 JD S770 with 1655/1123 hrs on it. I was having power issues in high moisture (30%) 325 + bushel corn running 3.5-3.7mph usually going slightly uphill and more sometimes through spongy soil. The combine would get below 1900 rpms and I would slow to 3mph or less and combine would ramp back up to 2100+ rpms. I had an inspection done and told the tech about this issue so he did an injector test and it showed injectors 5 & 6 were below threshold, 3 & 4 were right at or slightly below, and 1 & 2 were slightly above or close to threshold of being bad. I purchased the combine use and had roughly 800 hrs on it and haven't had any fuel related issues with our other equipment being some newer (9RX and 6120R) Deere models but mostly older 8x30, 8X20, 7X30, 8285R, 8RT, 6R, 6X30, and 4055 with other colors mixed in. I'm aware and have experienced some of the other issues with the 9.0 litre engines but curious if anyone else has had or seen issues with the injectors on theirs. I'm going to have the fuel checked as we do have quite a bit of storage but it doesn't sit long in the tanks. Also just curious being a combine it doesn't really get used from December (after corn) until July (wheat harvest). TIA | |
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JD S770 bad injectors at lower hours
