Parts/Drivetrain/Differentials & diff parts/Hot Racing Steel Helical Overdrive Differential Ring/Pinion Gear for Traxxas TRX-4
Hot Racing Steel Helical Overdrive Differential Ring/Pinion Gear for Traxxas TRX-4
Hot Racing

Hot Racing Steel Helical Overdrive Differential Ring/Pinion Gear for Traxxas TRX-4

Part # HRATRXF9312
Where to buy
$38.88
AMain Hobbies
Seen Oct 12, 2026
$38.88Buy
Prices are as last seen at the store; stock is not tracked.

About this part

The Hot Racing Traxxas TRX-4 Steel Helical Overdrive Differential Ring/Pinion Gear is a spiral cut overdrive 33T/12T gear set option for the Traxxas TRX-4.

Features:
  • Precision machined helical spiral cut gears offer inherently greater strength and smooth operation than the factory Straight cut bevel gears
  • High carbon steel construction
  • Less vibration, less noise, less wear then stock straight cut bevel gears
  • 33T/12T provides 9% overdrive (vs stock 34T/11T) increases the wheel speed and is commonly used in the front end 
  • Replaces Traxxas TRA8287
  • Works on front or rear
Includes:
  • (1) 33 tooth spiral cut ring gear
  • (1) 12 tooth spiral cut pinion gear

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