During February of 1943 the Navy requested to research techniques to improve the power linked to the Avenger. In reaction undertook a design research of a better Avenger with a 2000 hp R-2800 motor and a 250CE turret. The popular for the motor for just about any other greater concern aircraft prevented the look research from progressing nevertheless the need for extra engine energy for the Avenger had been now recognized.
The TBM-3 retained the gun armed wing about the TBF-1C with Mk 5 zero-length rocket launchers standardized rather than the sooner Mk 4 rocket rails. The cockpit instruments were re-arranged also to increase the pilots night vision the device panel illumination had been changed from direct ultra violet lighting to indirect red illumination.