The R-2000 was an R-1830 with cylinders with a 5.75 inch bore to increase total displacement to 2,000 cubic inches. The R-2000 was designed for the DC-4/C-54 which first flew in 1942.

models

• R-2000-2SD-13G: 1,450 hp (1081 kW)
• R-2000-7M2: 1,450 hp (1081 kW)

specifications

• 14 cylinder, air-cooled, two-row radial
• displacement: 2,004 cubic inches (32.8 litres)
• Bore x stroke: 5.75 x 5.50 inches
   

used by

• de Havilland Canada DHC-4 Caribou
• Douglas DC-4/C-54/R5D