4W2683 Mechanical Oil Temperature Guage Fits CAT Fits Caterpillar Dozers and LoaOne New Aftermarket Replacement Mechanical Oil Temperature Gauge Indicator with Brackets Fits Several Fits Caterpillar Models. Tech Info: Gauge is made for mounting applications with a 2 5 8" diameter hole. Comes with an attached lead tube and sender, lead measures 3. 3 meters Sender end mounting size is 3 4", requiring clearance about 1 1 2" Temperature degree range is 60 120 C or 130 250 F Can be used on any application with the above specifications