NOT KNOWN DETAILS ABOUT CAT 257B3 SPECS

I'd choose your time and efforts and store around for a far better offer. If you're not absolutely sure that You will need a CTL, you may normally insert OTT tracks to the wheeled machine, or go with a VTS program. I would be scared of jogging any kind of rubber tracks while if you'll be in rocky, sharp regions. Just my $.02. Very good luck.but asv