These are listed in order of picture
Picture # 2 Exmark front caster weights for zero turn mowers. These are for the narrower frame machines near the forks. $200 for the pair W1
Picture #3 John Deere ZTR front weights. These have M155947 stamped into them. $50 for the pair W2
Picture #4 John Deere F525 rear frame weights. $15 each
Picture #5 John Deere SST rear weight bracket with caster tire. $50 each
Picture #6 Exmark ZTR Front weight stacks. $75 each. Two are pictured. W5
Picture #7 John Deere F Series rear starter weight. Fits F1145, F910, F912, F915, F925, F930, F932 and F935 $50 W7
Picture #8 Kubota weight bracket for front hitch $50 W11