Model Variants (Including Prototypes)
ANT-40 - Light Bomber Prototype of which two examples were produced.
SB-2 - Second Prototype Designated with "SB-2" Production Designation.
SB-2bis - Improved SB-2 with three-bladed propeller systems married to two M-103 960hp engines; variable pitch propellers; increased fuel caapcity and overall range.
PS-40 - Transport Conversion
PS-41 - Transport Conversion
SB-RK (Arkhangelskii Ar-2) - Converted SB-2bis models for dive-bomer duty; smaller wing area; fitted with supercharged M-105R powerplants.
B.71 - Czechoslovakian license-produced SB-2.