Model number: TRA3951
Direct-replacement motor pinion for Traxxas E-Maxx trucks. Machined steel construction fits a 3mm motor shaft and includes one 3 x 4mm set screw for secure mounting.
Product Details
Direct-replacement motor pinion for Traxxas E-Maxx trucks. Machined steel construction fits a 3mm motor shaft and includes one 3 x 4mm set screw for secure mounting.
Gear Pitch: 32P
Cars: Traxxas E-Maxx
Tooth Count: 21T
Needed to Complete (not included):
- Hobby knife
- Glue
- Paint and finishing tools
NOTE: Photo of completed model is for illustrative purposes only. This is a model kit that requires assembly.
More info
Traxxas Pinion Gear 32P 21T E-Maxx is the motor-mounted pinion designed for the E-Maxx platform, giving a straight swap when you need to replace or refresh the motor gear. Machined steel construction stands up to heavy use, and the 32 pitch, 21-tooth profile meshes cleanly with the matching spur gear.
Key Features
- 21-tooth, 32 pitch profile for correct gear mesh and reliable power transfer
- Machined steel construction for strength and wear resistance under load
- Designed for a 3mm motor shaft for accurate mounting and alignment
- Mounts directly on the motor shaft — this is the gear that drives from the motor end
- Used as one of the two motor pinions in the E-Maxx dual-motor setup
What's Included
- One 21 tooth Pinion Gear
- One 3 x 4mm Set Screw
Why Choose This Pinion
This pinion is a straightforward replacement when the original gear is worn or damaged. It’s a practical spare for anyone running an E-Maxx—easy to install and supplied with the correct set screw so you can get back on the trail quickly. Built to handle the demands of a motor-mounted gear, it’s a simple fix that restores drivetrain performance.
About the Brand
Customer reviews
Slash goes faster
This makes my Traxxas Slash 4x4 way faster! Really great and not expensive at all!
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Fast but tricky fit
So this thing is a beast, if you can get it to fit. I have a Slash 4x4 Ultimate with all the stock parts, and it didn't fit easily. Took more effort than I thought, but it's definitely fast!
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Perfect fit, more speed
Fits perfectly and makes my Traxxas Stampede 4x4 faster. Love it.