United Engines is a global manufacturer and service provider of transmissions, generators, and diesel and truck engines. For over 75 years, we have been providing customers with components for virtually every make and model of residential, commercial, and industrial generators and we have been manufacturing and servicing transmissions for over 50 years. Partnering with Detroit, MTU, Allison, and Isuzu Diesel, United Engines is a one-stop depot for genuine manufactured engine parts and services. All of United Engine’s technicians are factory-trained and certified. United Engines takes pride in meeting customers’ expectations by having the necessary parts in stock and keeping their turnaround time to a minimum, helping vehicles get back on the road and performing optimally. United Engines is a multi-year gold recipient of the Allison PRP Program and is headquartered in Oklahoma City.