Northrop A-17 - Variants

Variants

A-17

Initial production for USAAC. Fixed undercarriage, powered by 750 hp (560 kW) Pratt & Whitney R-1535-11 Twin Wasp Jr engine; 110 built.

A-17A

Revised version for USAAC with retractable undercarriage and 825 hp (615 kW) R-1535-13 engine; 129 built.

A-17AS

Three seat staff transport version for USAAC. Powered by Pratt & Whitney R-1340 Wasp engine; two built.

Model 8A-1

Export version for Sweden. Fixed undercarriage. Two Douglas built prototypes (Swedish designation B 5A), followed by 63 licensed built (by ASJA) B 5B aircraft powered by 920 hp (686 kW) Bristol Mercury XXIV engine; 31 similar B 5C built by SAAB. One 8A-1 was also purchased by Bristol Aeroplane Co. in 1937 which was modified to test its new Hercules radial engine.

Model 8A-2

Version for Argentina. Fitted with fixed undercarriage, ventral gun position and powered by 840 hp (626 kW) Wright R-1820-G3 Cyclone; 30 built.

Model 8A-3N

Version of A-17A for Netherlands. Powered by 1,100 hp (820 kW) Pratt & Whitney R-1830 Twin Wasp engine; 18 built.

Model 8A-3P

Version of A-17A for Peru. Powered by 1,000 hp (746 kW) R-1820 engine; 10 built.

Model 8A-4

Version for Iraq, powered by a 1,000 hp (746 kW) R-1820-G103 engine; 15 built.

Model 8A-5N

Version for Norway, powered by 1,200 hp (895 kW) R-1830 engine; 36 built. Later impressed into USAAF service as Douglas A-33.