This kit provides Tire Pressure Monitoring for 950-982 Build 14 Machines. Not for use with (NFUW) Steel Mill, Rear Window Guard, Solid Tires, Block Handler Rims. Software and Software enabled attachment (purchased separately) must be installed to enable functionality. Refer to Special Instructions: M0157803 [https://sis2.cat.com/#/refine?keyword=M0157803]for installation instructions and more information.