Model Variants (Including Prototypes)
MB.150 - Base Series Designation
MB.150.01 - Initial series prototype; Gnome-Rhone 14N-07 radial piston engine; single example produced.
MB.151.01 - Second Prototype; Gnome-Rhone 14N-35 engine.
MB.151.C1 - Production designation of MB.151.01 prototype; 144 examples produced.
MB.152.01 - Third Prototype; Gnome-Rhone 14N-25 engine.
MB.152.C1 - Production designation of MB.152.01 prototype; 482 examples produced.
MB.153 - One-off prototype fitting Pratt & Whitney R.1830 Twin Wasp engine.
MB.154 - Proposed variant fitting Wright R.1820 Cyclone engine; never produced.
MB.155.01 - Prototype based on the MB.152 and MB.155.C1; fitted with Gnome-Rhone 14N.49 engine.
MB.155.C1 - Production designation of MB.155.01 prototype; 35 examples produced.
MB.156 - Proposed variant with Gnome-Rhone 14R engine; never produced.
MB.157 - Proposed variant with Gnome-Rhone 14R-4 engine of 1,580 horsepower; development taken over by Germans; prototype lost in Allied bombing raid.