i've been looking at the 60 gallon air compressor at lowes made by kobalt. It is a 3.7 hp and rated at 155 psi. I talked to kobalt customer service and they said it needed to be bolted down to a concrete floor so it would not move around. My experience with these 60 gallon is they stay put on the pallet and don't seem to vibrate much. The manufactures of some of these 60 gallons claim that the weld will brake from vibration. I have never seen this happen. I think they worry about the tipping more than anything and getting sued. Has anyone seen a weld crack on one of these air compressor. I would like to know how yours is mounted and if you had any troubled with the on site warranty from not mounting it to the concrete floor. Besides taking it off the pallet you risk tipping it over onto yourself or just plain breaking the pump from it falling out of your hands. What is your experience and any problems with warranty because you left it on the pallet
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