This is the replacement aftermarket tension idler wheel for the John Deere 50D and 50G mini excavator under specific serial breaks. John Deere 50D serial number 275361 and up
This is the large pull wheel on the opposite end of the undercarriage from the sprocket that tensions the track and keeps it aligned with the rollers.
If your 50-D model serial number is 275360 or lower, you will need a part number 9237507. If you are unsure, please call us to verify measurements.
To view the rest of the undercarriage parts for your John Deere 50D.
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