Douglas B-18 Bolo - Variants

Variants

DB-1

Prototype, first of B-18 production run, 1 built.

B-18

Initial production version, 131 or 133 built.

B-18M

Bomb gear removed from B-18 to serve as trainer.

DB-2

Powered nose turret prototype; last of B-18 production run, 1 built.

B-18A

B-18 with more powerful Wright R-1820-53 engines and moved bombardier's station, 217 built.

B-18AM

Bomb gear removed from B-18A to serve as trainer.

B-18B

Antisubmarine conversion, 122 converted.

B-18C

Antisubmarine conversion, 2 converted. Fixed forward-firing .50 cal machine gun, starboard side of the fuselage near lower nose glass

XB-22

Improvement on B-18 using Wright R-2600-3 radial engines (1,600 hp/1,194 kW). Never built, largely due to better light bombers such as the B-23 Dragon.

C-58

Transport conversion.

Digby I

Royal Canadian Air Force modification of B-18A.