The Allison V-1710 aircraft engine designed and produced by the Allison Engine Company was the only US-developed V-12 liquid-cooled engine to see service during World War II. Versions with a turbocharger gave excellent performance at high altitude in the twin-engined Lockheed P-38 Lightning, and turbo-superchargers were fitted to experimental single-engined fighters with similar results.
Allison V-1710
Cutaway of Allison V-1710
P-38G engine, in this case V-1710-51/55 (F10) which this series used
Allison V-1710 on display at the Air Zoo
The Allison Engine Company was an American aircraft engine manufacturer. Shortly after the death of James Allison in 1929 the company was purchased by the Fisher brothers. Fisher sold the company to General Motors, which owned it for most of its history. It was acquired by Rolls-Royce plc in 1995 to become the US subsidiary, Rolls-Royce North America.
GMH Allison Overhaul Assembly Plant in Brisbane during the Second World War
Allison V-1710-115
Allison V-1710-7
Allison T56