Traxxas 28-T 48-Pitch 3mm Shaft RC Pinion Gear - 4728

The Traxxas 4728 is a 28-tooth, 48-pitch pinion gear designed to fit 3mm motor shafts, making it a direct-fit drivetrain component for a wide range of Traxxas RC models. Supplied with a set screw for secure shaft retention, this RC pinion gear is a stock replacement or gearing alternative for hobbyists tuning their gear ratio. If you're rebuilding a drivetrain or swapping motor pinions across compatible Traxxas vehicles, the TRX4728 is the correct specification to check against your model's parts list.

Key Features

• 28-tooth count on a 48-pitch gear profile — the pitch must match your spur gear to mesh correctly
• Fits 3mm motor shafts, which is the standard shaft diameter across many Traxxas brushed and brushless motors
• Includes a set screw to lock the pinion securely onto the motor shaft
• Sourcing by Traxxas part number TRX4728 ensures you receive the exact OEM specification

Compatible With

• Traxxas models listed under parts references: 104354-74, 104364-74, 105237-4, 105247-4, 36076-74, 37254-8, 37354-4, 58214-4, 58234-8, 58276-74, 58334-4, 83076-4, 83124-4, 94346-74, 94376-74
• SNAPON15 and SNAPON18 Traxxas sets
• Compatible with any Traxxas model specifying a 28T 48-pitch pinion on a 3mm shaft — always cross-reference your model's exploded parts diagram before ordering

What's Included

• 1x Traxxas 28-tooth 48-pitch pinion gear (TRX4728)
• 1x Set screw