How much does an average oven weigh?

GE 24-inch Gas Wall Oven - 127lbsGE 27-inch Single Convection Wall Oven - 128lbsGE 30-inch Single/Double Convection Wall Oven - 188lbsGE 30-inch Double Convection Wall Oven - 249 lbsI have also heard of double ovens weighing in at up to 300lbs.Then there are commercial ovens which are obviously huge.