Why does 440c john deere skidder jump out of gear?

There are a few reasons why a 440c John Deere skidder might jump out of gear.

- Worn gears: The gears in the transmission may be worn or damaged, which can cause them to slip out of gear.

- Low fluid level: The transmission fluid level may be low, which can cause the gears to overheat and malfunction.

- Bad synchronizers: The synchronizers in the transmission may be worn or damaged, which can prevent them from engaging properly and causing the gears to jump out of gear.

- Incorrect adjustment: The shift linkage may be out of adjustment, which can cause the gears to shift improperly and jump out of gear.

- Faulty control valve: The control valve that operates the transmission may be faulty, which can cause the gears to shift erratically and jump out of gear.

To troubleshoot this issue, you should first check the transmission fluid level and condition. If the fluid level is low, add fluid according to the manufacturer's specifications. If the fluid is dark or dirty, it should be changed.

Next, inspect the gears in the transmission for wear or damage. If the gears are worn or damaged, they will need to be replaced.

You should also check the synchronizers in the transmission to make sure they are engaging properly. If the synchronizers are worn or damaged, they will need to be replaced.

Finally, you should check the shift linkage and control valve to make sure they are functioning properly. If either of these components is faulty, it will need to be repaired or replaced.