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Read articles →This is a hands-on DIY repair, not a review: an owner replaces the broken hydrostatic pedal return spring on his Bad Boy 5055H after failing to source the exact factory part. He documents the location of the spring, the tight workspace under the tractor, using a close-but-not-exact substitute from Tractor Supply, and installing it with help from his daughter. Useful for 5055 owners facing the same hard-to-push-pedal symptom.
Posted by an owner-operator using the 5055H for daily work, sharing a real repair he did himself rather than professional or dealer advice.
A broken hydrostatic pedal return spring can cause this. The pedal drops and you have to throttle the opposite pedal to keep it from taking off in that direction.
The factory spring measures 2.3 by 17.3 by 74 millimeters, but the owner could not find it in stock and was told it had to be ordered from Korea.
Yes, a Tractor Supply spring measuring 2.6 by 66 by 19 was used as a close substitute, though it made the pedal a bit harder to press.
The owner found two nuts on the mounting plate were loose, which likely caused the spring to break; tightening them was part of the fix.
