Smudge ...
I think WP805 (D) might have been the Tug in your era ... See previous pic
Longer Ron ...
You are correct WZ877 (G) was also a Tug ... See Dora's pic. I'm unable to account for the discrepancy between T and G on this airframe. Also note that on the French Civil Register the Tug Hook appears to have been removed
Best ...
Coff.