Grumman JF Duck - Variants

Variants

XJF-1
Prototype with 700 hp Pratt & Whitney R-1535-62 engine, one built (BuNo 9218).
JF-1
Production variant with 700 hp Pratt & Whitney R-1830-62 Twin Wasp engine, 27 built (BuNos 9434-9455, 9523-9527).
JF-2
Variant for the United States Coast Guard powered by a 750 hp Wright R-1820-102 Cyclone engine, 15 built (BuNo 0266, 00371-00372, 01647, USCG V141-V155).
JF-3
JF-2 for the U.S. Navy, five built (BuNos 9835-9839).
JF-4
JF-5
JF-6
Grumman G-20
Civilian version of the Grumman JF-2

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