Model Variants (Including Prototypes)
P-70 - Base series designation; converted from existing A-20 model.
XP-70 - Prototype designation of converted A-20 airframe; single example.
P-70 - 59 examples based on the XP-70 prototype; appearing in 1942.
P-70A-1 Converted from A-20C; 6 or 8 x 0.50 caliber nose guns; appearing in 1943; 39 examples.
P-70A-2 - Converted from A-20G models; 6 x 0.50 caliber machine guns in nose.
P-70B-1 - Converted from A-20G-10-DO model; single example.
P-70B-2 - Converted A-20G and A-20J models to serve as trainers for Northrop P-61 Black Widow night fighters.