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Overview
An owner documenting a cracked front left knuckle on his TYM 4520r, the part nearly fell off completely. He walks through disassembly, notes the ball joint is 22mm (not listed in the manual), and explains a temporary weld repair to keep the tractor running until a warranty dealer visit. A useful real-world failure reference for 4520r owners, though this is Part 1 and ends before the repair is finished.
Posted by the North to Alaska channel, appearing to be an owner-operator sharing a firsthand breakdown experience from their own property.