This praxis stump grinder equipment is made of thick gauge steel and its dimensions are 76 inches length by 291/2 inches width by 42 inches height. The tire is 91/2 by 3/8 inches in size. Since this machine has wheels, you only have to pull from one area to the next in the fields. Simply walk and pull the machine for total ease of usage and convenience. Look for this machine on the Internet, if you want to buy it. For sure, you will have no reason to regret after buying this machine.