I've never cried over a toku, but I have felt a surge of emotion stir up in me. And did slightly get teary-eyed a few times.
Bioman: Mika's death.
Flashman: The ending. Nuff said.
Maskman: The ending was kind of emotional too.
Liveman: God, there were several tear-jerking eps. lol.
Jetman: There were several tear-jerking eps here as well. Particularly the last four eps.
Zyuranger: Burai's death.
Dairanger: Kujaku's death. Kou's mother's death. Kaku's death.
Kakuranger: Sandayuu's death.
Ohranger: Hysteria's death.
Megaranger: The last few episodes. Especially the very end.
Gingaman: The first few episodes. Moak's death. And the ending (which was more tears of joy).
GoGoFive: The entirety of episode 43. Diinas' death. The ending (again, tears of joy).
Timeranger: Several episodes were tear-jerking. Especially the ending and TimeFire's death.
Gekiranger: Jan's final moments with Suugu/Dan.
Black: The last few eps.
Ryuki: Imperer's death.
555: Yuka's death.
Blade: Kenzaki becoming Joker.
Hibiki: Zanki's death.
Kabuto: Sasword's death.
Kiva: Mio's death.
W: Kirihiko's death. Philip's supposed death.
Spielban: There were a couple of pretty sad episodes.
Metalder: The ending.