Model Variants (Including Prototypes)
NA-62 / B-25 - Further Production Design with wing element lowered to middle position; Widened fuselage to accommodate side-by-side seating for pilot / copilot; Crew increase from 3 to 5 crewmen; Improved offensive armament array and defensive capabilities; R-2600-9 powerplants; 24 initial aircraft produced.
B-25A - At least forty produced with self-sealing fuel tanks and additional armor protection.
B-25B - At least 119 produced with power-operated ventral and dorsal turret systems; Tail gun emplacement removed on some models; Plexiglass nose assembly.
B-25C - Major production model featuring autopilot, provisioning for eight external 250lb bombs or a single under-fuselage torpedo; Some produced with 4 x 12.7mm machine guns in forward-firing position on either lower-side of the cockpit.
B-25D - Based on B-25C model except from a different production line / facility.
B-25G - Featured a 75mm nose cannon; At least 405 produced with this feature; Retractable belly turret.
B-25H - Featured between 14 to 18 x 12.7mm machine guns in various positions; At least 1,000 of this type produced; Solid nose assembly; Belly turret removed; 4 x 12.7mm machine guns in forward-fixed firing position in nose above 75mm cannon; Two aft-fuselage plexiglass blisters with 12.7mm gun mounts; Tail turret reintroduced with 2 x 12.7mm machine guns; Wright R-2600-13 or R2600-29 powerplants.
B-25J - Final Production Model with R-2600-92 radial powerplants; 12 x 12.7mm machine guns in various positions.
F-10 - Reconnaissance Model
AT-25 - Pilot / Crewman Trainer Conversion Model
TB-25 - Pilot / Crewman Trainer Conversion Model
PBJ - Navy Pilot / Crewman Trainer Conversion Model