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dd85, Foreman
Category: Agriculture and Farm Equipment
Satisfied Customers: 535
Experience:  Service manger for over 18 years in same Dealership
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Hi, I have a john deere x740 mower. It started overheating

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Hi, I have a john deere x740 mower. It started overheating after 2 hours of use at the weekend. I checked oil and it was ok, and coolant all ok, drive (fan belt) working. I then found that it was clogged with dry grass and dust in between the radiator, so cleaned that out completely. However its still overheating. I got on it yesterday when it was cold and just let the engine run. after about 3-4 mins the temp needle started moving and just continued all the way round to red, so I turned it off. I have read the troubleshooting part in the manual, and checked all the things it says to stop overheating, but it still is. can you help me please ? many thanks, Dave
Hello Dave,

I'm Shantal and I'm a moderator for this topic.

We have been working with the Experts to try to help you with your question. Sometimes it may take a bit of time to find the right fit.

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Thank you,

This sounds like the engine thermostat.
Because of the quick heating up.
Sometimes they will after being overheated, stick closed and not allow water/antifreeze to pass by.
It should be located on the engine head where the upper radiator hose connects to the engine head.
dd85, Foreman
Satisfied Customers: 535
Experience: Service manger for over 18 years in same Dealership
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