Tamiya 50893 - 83T Replacement Spur Gear for TA04 [50893]

Tamiya 50893 - Spur Gear Set TA04 SP-893

Price:

CAD$8.52

Brand:

Tamiya

Model:

50893

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R/C General - Gears - Spur Gears

Precision 83T Spur Gear for Tamiya TA04 Upgrades

The Tamiya 50893 Spur Gear is a must-have part for anyone maintaining or tuning Tamiya TA04 electric cars. This 83-tooth plastic gear meshes with the motor pinion to deliver consistent torque to the drivetrain, offering an affordable way to replace a worn or damaged spur gear.

Core Benefits of the Tamiya 50893 Spur Gear

Compatibility: Made to fit the Tamiya TA04 series without modification.
Material: Durable plastic construction for reliable everyday use.
Functionality: Designed to pair smoothly with the motor pinion for steady power transfer.
Dimensions: 83 teeth, 1.97" (50mm) diameter, 0.20" (5mm) thickness.

For CA hobbyists looking for straightforward upkeep, this spur gear balances cost and durability. Use it to replace a stripped gear or to keep a closet build running reliably.

How do I fit the 50893 - 83T spur gear to my TA04?

Remove the old spur gear and slide the Tamiya 50893 - 83T onto the gearbox shaft, then check mesh with the pinion. Adjust motor position or shims until the mesh is free but with minimal play.

What wear signs should I look for on a spur gear?

Look for rounded or chipped teeth, excessive backlash, or grinding noises under load. Any of these indicate it is time to replace the spur gear.

Can I change pinion sizes with this spur gear?

Yes, adjusting the pinion tooth count changes final drive ratio. Make small steps and recheck mesh and motor temps to avoid overloading the system.