Traxxas UDR Rear RC Differential Gear Set - 8577 24x12E so no additional fasteners or

so no additional fasteners or internals are needed to complete the repair

including output gears

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Ideal as a crash repair part or a spare to keep your plane flying

and 77136-4 as confirmed by Traxxas part reference TRX7895R

Traxxas UDR Rear RC Differential Gear Set - 8577 24x12E so no additional fasteners orThe Traxxas TRX8577 is a rear differential gear set designed as a direct fit replacement for the Traxxas Unlimited Desert Racer (UDR). The UDR's rear differential takes significant stress during hard bashing and high speed desert style running, and this genuine Traxxas part restores the drivetrain to factory spec when gears wear or sustain damage. If you're chasing down a loss of drive or grinding from the rear end of your UDR, this is the correct