How to lube the gear box on a 5 hp task-force rear tine tiller?

To lubricate the gearbox on a 5 hp Task-Force rear tine tiller, first ensure the tiller is turned off and cool. Locate the gearbox and remove the fill plug, then check the oil level; if it's low, use a suitable gear oil (typically 80W-90) to fill it to the recommended level. Replace the fill plug securely. It's advisable to consult the owner's manual for specific maintenance intervals and oil specifications.