Skid steer tracks for Thomas model 225T, Thomas model 245T, Thomas model 245HF, Thomas model T250, Thomas model T255 and Thomas model T320 with 12"x16.5" tires.
If you have a 12"x16.5" tire size, please measure your tread width. If your tread width is 11 1/4" or larger, you willl need a T-1200"B" series. If your tread width is under 11 1/8", you will need a T-1200"N" series.
These Thomas models MAY require wheel spacers, please verify with the Track Clearance Guide to determine if you need spacers for your machine.