Echo Speed Feed 500 Trimmer Head OEM #99944200950

*This part replaces obsolete part #: 99944200903 and X047000940.

Compatibility
This part is compatible with the following machines:

Echo
SRM-266U 25.4cc Straight Shaft Trimmer/Brushcutter
SRM-266S (T42211001001-T42211999999) Steel Drive Shaft Trimmer
SRM-266S (T42312001001-T42312999999) Steel Drive Shaft Trimmer
SRM-266S (T43313001001-T43313999999) Steel Drive Shaft Trimmer
SRM-266T (T42411001001-T42411999999) High Torque Trimmer
SRM-266T (T42512001001-T42512999999) High Torque Trimmer
SRM-266T (T43413001001-T43413999999) High Torque Trimmer
SRM-266U (T42712001001 – T42712999999) Straight Shaft Trimmer / Brushcutter
SRM-266U (T43513001001 – T43513999999) Straight Shaft Trimmer / Brushcutter
SRM-266 (T47514001001-T47514999999) Trimmer Lawn Equipment
SRM-266 (T42011001001-T42011999999) Trimmer Lawn Equipment
SRM-266 (T41913001001-T41913999999) Trimmer Lawn Equipment
SRM-280 (T48014001001-T48014999999) Trimmer Lawn Equipment
SRM-266S (T47614001001-T47614999999) Trimmer Lawn Equipment
SRM-266 (T42112001001-T42112999999) Trimmer Lawn Equipment
SRM-266T (T47714001001-T47714999999) Trimmer Lawn Equipment
SRM-280U (T48314001001-T48314999999) Trimmer Lawn Equipment
SRM-280S (T48114001001-T48114999999) Trimmer Lawn Equipment
SRM-280T (T48214001001-T48214999999) Trimmer Lawn Equipment
SRM-266U (T47814001001-T47814999999) Trimmer Lawn Equipment
SRM-266U (T42611001001-T42611999999) Trimmer Lawn Equipment