Te Guruma is a throwing technique described in The Canon Of Judo as a reference technique and demonstrated by Kyuzo Mifune in the video, The Essence of Judo.
If you want to learn takedowns for the mat, learn from a Jiu Jitsu black belt who is also a 5th Degree Judo black belt. In this video, learn this duck under and lift which will get you straight to side control, or even knee on belly. Make sure you add this to your game.
Maxercise Academy instructor 1st degree BJJ Black Belt and 5th degree Judo black belt John Disimone demonstrates the technique: