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Brand: Traxxas
Model number: TRA9756
The Traxxas Hardened Steel Axle is a heavy-duty drivetrain upgrade that strengthens the TRX-4M for hard bashing and trail use. The set includes front and rear axle shafts, front stub axles, cross pins (2), 1.5x7.8 mm dowel pins (2), and 1.5x6 mm dowel pins (4).
$43.99
Brand: Traxxas
Model number: TRA9776
The Traxxas High-Range Transmission is a direct-fit upgrade for TRX-4M drivetrains that raises top-end gearing without changing the transmission case. Ideal for hobbyists who want stronger, higher-ratio gearing for fast running or scale cruising.
$5.99
Brand: Traxxas
Model number: TRA9776R
Give your TRX-4M serious crawling grunt with this low-range transmission gear set. The ultra-low 40.3:1 reduction boosts torque for steep rock lines and slow-speed control.
$6.99
Brand: Traxxas
Model number: TRA9776X
Traxxas Speed Transmission Gear Set increases top-end speed on TRX-4M by using a high 9.7:1 reduction. Ideal for intermediate and advanced hobbyists who run on pavement or other low-resistance surfaces.
$5.99
Brand: Traxxas
Model number: TRA9777
Replacement ring and pinion gear pair for Traxxas axles. Sold as a two-piece set to restore drivetrain function after wear or impact—simple swap for routine repairs.
$6.99
Brand: Traxxas
Model number: TRA9779
Metal ring-and-pinion axle gears for both front and rear axles. Ideal for TRX-4M owners using the 9756 hardened-steel axle set who want stronger, more reliable drivetrain parts.
$11.99
Brand: Traxxas
Model number: TRA9791
Traxxas High Range Transmission arrives pre-assembled with bearings and a Titan 180 87-turn motor for a straight drop-in upgrade. Ideal for TRX-4M owners who want a ready-to-install drivetrain swap that needs no gear-mesh tuning.
$42.99
Brand: Traxxas
Model number: TRA9791X
Pre-assembled speed transmission and motor upgrade for TRX-4M that raises top-end performance. Includes a Titan 180 87-turn motor and a high 9.7:1 reduction; the unit bolts in complete with no gear-mesh adjustment.
$42.99
Brand: Traxxas
Model number: TRAC4900
Traxxas Reverse Upgrade Kit gives T‑Maxx owners a single-piece aluminum reverse assembly that’s stronger than the stock unit and simple to service. Sold as 1 unit with a multicolor finish for quick identification during rebuilds.
$50.99
$11.99
