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Read articles →This is a narrow, task-specific repair video: replacing the fan/AC belt on a Kubota M4-071 HDC12 after it disappeared and caused overheating. It walks through removing the 12mm shields, loosening the 9/16 bolt, sliding the pulley down to slip the belt over the fan blade, then tensioning it back to the manual's half-inch deflection spec. Useful for M4-071 owners facing the same overheating symptom or doing this specific belt swap themselves.
Posted by the Mr Chris Higgins channel, appearing to be a hands-on owner or technician documenting a specific repair rather than a dealer or manufacturer.
It overheated because the fan/AC belt disappeared, so the fan was no longer being driven to cool the engine.
Remove the 12mm shields, loosen the 9/16 pulley bolt and drive it in to slide the pulley down, slip the belt over the fan blade, then back the bolt out to retighten and tension the belt.
The manual says about half an inch of deflection when you push on the belt with moderate pressure.
