TRAXXAS TRX4 Overdrive and Underdrive Installation |

Published 14 Feb 2020
The TRX4 is an very capable rock crawler; with the overdrive at the front and the under driver at the rear it can climb anything!
Overdrive kit: hearnshobbies....
Underdrive kit: hearnshobbies....
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Sing up and let us know what you would like to see in the next videos.
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[@Kaijushorts]

Very cool! Interesting to see the maintenance side and the speed demo in the end too

[@HearnsHobbiesMelbourne]

Thank you for the feedback! We really like this car, it is mechanically very interesting and also very capable. It is fun to work on as well. We are taking it into all various harsh conditions to see what the limits are! Sealing all the diffs with additional grease helps a lot when going into water. The over and under- driver are really impressive, way over the expectations. It is not a cheap upgrade and requires a bit of work to install everything but really worth it.

[@sprather84]

Dope channel my RC friend I just subbed up

[@HearnsHobbiesMelbourne]

Thank you very much! we do a live show every Friday as well! Feel free to ask questions and can try to respond then!

[@FlyingBuzzard]

Good info...Thanks again Hearns

[@HearnsHobbiesMelbourne]

Thanks..:)

[@doshermanosrc4265]

Nice video... I just installed the overdrive gears.. but one side is not spinning. Would you happen to know why?

[@HearnsHobbiesMelbourne]

most likely you did not connect the drive train on one side. Can be a pin missing or something. Disassemble the side that is not working and check it all.

[@japox3388]

Do you have a test run video after you installed those? Thanks for this video 😁👍

[@HearnsHobbiesMelbourne]

Yes we will have one very soon👌👌 major improvement in climbing

[@blowback8852]

Where did you get the body?

[@HearnsHobbiesMelbourne]

It is a customised Traxxas body with the back cut down.

[@shawnpruitt1914]

Important events happen without camera on the subject matter.....example the pinion is removed from the rear while the camera is facing the opposite direction. Cannot even see what you did/how you did it which I thought was the point of the video...

[@HearnsHobbiesMelbourne]

Sorry Shawn, unfortunately is not always easy to be in focus and also doing the work. We have a new set up now with the camera from the top which should be better. We will use it for next videos.