Model Variants (Including Prototypes)
MBR-2M-17 - Fitted with Mikulin M-17B piston engine of 680 horsepower.
MBR-2M-103 - Single prototype model fitted with M-103 engine.
MBR-2bis - "Improved" version; fitted with Mikulin Am-34N engine of 860 horsepower.
MP-1 - Civilian model based on the MBR-2M-17 production model; accommodations for six to eight passengers.
MP-1T - Cargo Transport Variant
Be-2 - Later Redesignation from MBR-2 series.