I purchased a pair of chains for my 742B from my local Bobcat dealer. As I recall, they were Peerless truck chains but fit my flotation tires perfectly and are very strong.Hi, Lucky: This is George from McLaren Industries. Our signature over-the-tire tracks, Portrac Series, would be a perfect solution for you. These a proven tracks, with thousands of active users nationwide, and a number of configuration options, including replacement snow shoes for some systems. If you're interested, you can check them out and request a quote online at http://mclarenusa.com/protrac/protrac-over-the-tire-tracks-for-skid-steer-loaders.html.