Robinson Racing Steel Forward Only Gear Kit (Standard Ratio) (3.3 Only)

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Robinson Racing Steel Forward Only Gear Kit (Standard Ratio) (3.3 Only)
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This is an optional Robinson Racing Steel Forward Only Standard Ratio Gear Kit, and is intended for use with the Traxxas Revo 3.3 and T-Maxx 3.3 monster trucks. Convert your Traxxas monster to a forward only transmission with these hardened steel gears. High quality materials and precision machining provides long life and dependable performance.


  • (1) 13 Tooth top shaft gear
  • (1) 17 Tooth top shaft gear
  • (1) 39 Tooth second gear
  • (1) 43 Tooth first gear
  • (1) Forward only gear set

This product was added to our catalog on July 9, 2012

Verified Owner
Thursday, Oct 24 2019 (about 4 years ago)
Robinson Racing Steel Forward Only Gear Kit (Standard Ratio) (3.3 Only)
Gears seem to be good quality metal but please take note.

The output gear in this kit (RRP8029) is made for the OptiDrive transmission only, it will not fit my early non-reverse Revo's output shaft and this does not seem to be outlined anywhere on Robinson Racing's website, Amain or the internet as far as I can find.

If you have an older Revo that came without reverse or if you have converted your OptiDrive/reverse Revo to forward only with the kit (TRX5394X) the output gear will not fit unless you replace it with the OptiDrive output shaft (TRX5369).

It would have been nice to see a note about this on Robinson racing's website and here on Amain so I would know I need to purchase the OptiDrive output shaft to ensure I am able to complete the build without any hassle.

Now just to outline, I have not had a chance to use this gearset yet and I will update the review once I have given them a beating with a 6s brushless engine but because of this issue and I am forced to use the original plastic output gear in order to get my car moving for the weekend as all my local hobby shops do not stock the OptiDrive output shaft and I will need to wait for it to be shipped in.

If you have the output shaft in this kit TRX5394X, this gearset's output gear will not fit unless you purchase the OptiDrive output shaft TRX5369 with it.

Other than that thank you Amain for the fast shipping to Australia.