The designation of T13 and T14 is an educated guess.
T13 is for band 1 in RF 2 module.
It appears that the metal sub-chassis parts are drilled for either type of variable capacitor.
Stamped with part number 51274. I don't have a parts list for the early radios that give anything other than
resistors and capacitors.
A to B: 2.33 ohm C to D: 24.6
There does not appear to be any pin numbers or key on the square coils so I tried to use the two terminals on the long dimension with the stamped part number between as 'A' and 'B' with the other two being 'C' and 'D'. I ran into coils on a different radio that broke that plan. I went with 'Winding 1' and 'Winding 2'.
Stamped with part number 51B566.
Winding 1: 2.44 ohm Winding 2: 28.7
Page: /T13_RF2/Index_t13.shtml
Last modified: Friday, 24 Apr 2026