The DC-3 Engine

A two-row, 14-cylinder radial design delivering up to 1,350 horsepower. Production totaled 173,618 engines, more than any other aircraft engine.

• Displacement: 1,830 cubic inches
• Revolutions per minute: 2,400�2,700
• Weight: 1,162�1,467 pounds
• First run: 1931
• First flight: 1931
• Production years: 1932-1951
• Number of engines produced: 173,618

Source: Pratt & Whitney (opens in new tab)