Profile: Q B 3 Mfg., Inc. offers pulse engine protection systems. Our products include pulse information system and pulse switch systems. Pulse information system is a multi-parameter protection system that uses the presence or absence of engine oil pressure to control fuel flow to the engine. It monitors oil pressure, coolant pressure, coolant temperature and automatic transmission fluid temperature in any combination using mechanical valves. Pulse switch system monitors the engine parameters such as water temperature, water pressure and oil pressure. Our products are used by mining companies, utility companies, landfill & disposal companies, government agencies, & construction & oilfield companies.