This GPM SLA1337FR assembly supplies matched front and rear differentials for TRAXXAS 4X4 platforms as a direct-replacement RC-scale drivetrain component. Both units arrive fully assembled with spiral-cut internal gearing and CNC-machined 7075-T6 aluminum alloy differential cases, paired with medium carbon/4140 steel inner and outer gears to retain strength under typical model use.
Installation is intended as a bolt-in swap for compatible TRAXXAS 1/10 and 1/8 4WD models listed below, allowing a rapid drivetrain upgrade without gear-meshing or case assembly on the bench. Note that differential oil is not included and must be added during installation to set slipper and limited-slip behaviour appropriate to your setup.
Use this assembled front and rear differential set to replace worn units or to standardize drivetrain components across compatible TRAXXAS 4X4 models, then tune internal oil and gear lash to match your preferred handling and slipper characteristics.
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