Motor Sich D-436-148FM/D-436-148FM-1 is a transport-aircraft turbofan based on the D-436-148 core with an upgraded fan spool. Motor Sich publishes 75.51 kN takeoff thrust, 84.34 kN maximum emergency thrust, 16.18 kN maximum-cruise thrust, and 1,450 kg dry mass for the grouped FM/FM-1 product identity. Lifecycle remains unknown.