OEM Controls has added modules that work with its Service Tracker module to provide a total solution for machine management, the company says. Tracking module collects jobsite information such as equipment hours and fuel usage. Capture module is a PDA that accepts bar code or infrared data input for data such as location and cost codes. Delivery module automatically downloads and securely transmits date via the Internet. Managing module includes tailored software for use in operations and equipment reporting. The entire system is retrofittable.