Purchasing a diesel generator for your facility is a substantial investment which requires careful consideration. The right generator can provide reliable backup power during outages and help you avoid costly downtime. This comprehensive guide will walk you through the key factors to watch for when selecting the ideal diesel generator for your needs. Diesel generators in a nutshell Diesel generators use a diesel engine and an electric generator to produce electricity. The diesel engine turns the generator, which converts the mechanical energy into electrical energy. This electricity is used to power equipment and appliances when utility power is unavailable. Diesel generators provide reliable backup electricity for homes, businesses, hospitals, data centers, and more during power outages. The crucial parts of a diesel generator include the engine, alternator, cooling system, exhaust, control panel, fuel tank, battery and starter motor.