A method and apparatus for passively monitoring the distribution of fuel and lubrication fluids to track vehicles and other heavy duty work equipment, such as bulldozers, draglines, scrapers, loaders, etc. The system includes means for identifying and recording the identity of the dispensing vehicle, the dispensing operator, the location of the dispensing vehicle, the receiving vehicle, the receiving port on the receiving vehicle, the type of fluid dispensed, the quantity of fluid dispensed, and the time of the dispensing. The system also includes means for verifying that the proper fluid is dispensed to the appropriate port. Use of the system does not in any way interfere with the servicing operations.