Featured with black dial, Oliver and Case Vintage Tractor Meters are utilized to measure rotational speed of automobile crankshaft. These instruments enable driver to select proper gear and throttle while driving. Advanced measurement method of these products helps to maintain speed balance of vehicles in order to avoid overheating of engine. To be precise, Oliver and Case Vintage Tractor Meters are reliable options to make driver aware about speed status of automobiles. Based on their design, these tractor meters are also used to determine oil pressure of car and also to check whether engine is lubricated or not. These are equipped with attached sensor and mechanical gauge.