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Read articles →This is a narrow how-to on performing a manual regen on a TYM T474 Tier 4 diesel, not a general tractor overview. The owner walks through the actual steps: parking flat, setting the brake, revving above 540 RPM, holding the regen button, waiting 15-30 minutes, and cooling the engine afterward, including a tip about the brake requirement not covered in the manual. Useful specifically for T474 owners facing regen warnings.
Posted by an owner-operator (LKaid Farm) sharing personal, hands-on experience from their own tractor rather than dealer or professional expertise.
Park on a flat surface, set the brake, rev the engine above 540 RPM, then push and hold the regen button until it activates.
If the parking brake is not set, the tractor will not go into regen. This requirement was not included in the manual.
It usually takes between 15 and 30 minutes, depending on how dirty the filter is.
Lower the RPM but keep the engine idling for a few minutes with the hood up to let it cool off before resuming work.