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Traxxas X-MAXX Gear set differential (output gears (2)/ spider gears (4)/ 16x23.5x.5mm TW (2) — image 1 of 2
Traxxas X-MAXX Gear set differential (output gears (2)/ spider gears (4)/ 16x23.5x.5mm TW (2) — image 2 of 2
Traxxas X-MAXX Gear set differential (output gears (2)/ spider gears (4)/ 16x23.5x.5mm TW (2)
Traxxas X-MAXX Gear set differential (output gears (2)/ spider gears (4)/ 16x23.5x.5mm TW (2)

Traxxas TRX7782 X-MAXX Differential Gear Set

Brand: Traxxas

Part No: TRX7782

$27.73 RRP $29.19

Shadow Stock: Usually ships next day

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Frequently Bought With

Other items customers often buy with the Traxxas X-MAXX Gear set differential (output gears (2)/ spider gears (4)/ 16x23.5x.5mm TW (2)

Traxxas X-MAXX Spider gear shaft (2)/ spacers (4)/16x23.5x.5 stainless washer (2) (for 7781X Aluminium differential carrier) Traxxas X-MAXX Spider gear shaft (2)/ spacers (4)/16x23.5x.5 stainless washer (2) (for 7781X Aluminium differential carrier)
$15.48
Traxxas X-MAXX Rebuild kit steel constant-velocity driveshaft (includes pins for 2 driveshaft assemblies) (use only with 7750X driveshaft) Traxxas X-MAXX Rebuild kit steel constant-velocity driveshaft (includes pins for 2 driveshaft assemblies) (use only with 7750X driveshaft)
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Traxxas Differential Oil - 20,000,000 (20M) Weight Traxxas Differential Oil - 20,000,000 (20M) Weight
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Traxxas X-MAXX Spider gear shaft (2)/ spacers (4)/ 16x23.5x.5mm TW (2) Traxxas X-MAXX Spider gear shaft (2)/ spacers (4)/ 16x23.5x.5mm TW (2)
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Traxxas X-MAXX Ring gear differential 35-tooth (heavy duty) (use with 7790 7791 11-tooth differential pinion gears) Traxxas X-MAXX Ring gear differential 35-tooth (heavy duty) (use with 7790 7791 11-tooth differential pinion gears)
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Traxxas X-MAXX Stub axle Aluminium (blue-anodized) (1) (use only with 7750X driveshaft) Traxxas X-MAXX Stub axle Aluminium (blue-anodized) (1) (use only with 7750X driveshaft)
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Traxxas X-MAXX Carrier differential/ x-ring gaskets (2)/ ring gear gasket/ 6x10x0.5 TW Traxxas X-MAXX Carrier differential/ x-ring gaskets (2)/ ring gear gasket/ 6x10x0.5 TW
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Description

Keep your drivetrain performing smoothly with the genuine Traxxas TRX7782 X-MAXX differential gear set. The set comprises two output gears, four spider gears, and two 16x23.5x0.5mm TW, offering a straightforward replacement for worn internal differential parts.

Suggested compatibility: Traxxas X-MAXX differential assemblies.

Specifications

  • Part number: TRX7782
  • Weight: 53.52 g (1.888 oz)
  • Shipping weight: 0.05 kg (0.12 lb)
  • Product dimensions: 25.40 mm H x 76.20 mm W x 124.46 mm L (1 in x 3 in x 4.9 in)

Using authentic Traxxas spares helps maintain correct fit and reliable performance during differential maintenance or rebuilds.

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Traxxas X-MAXX Gear set differential (output gears (2)/ spider gears (4)/ 16x23.5x.5mm TW (2) Manuals & Guides

Specifications

Weights & Dimensions
Weight 53.52g 1.888oz
Shipping Weight 0.05kg 0.12lbs
Product Height 25.40mm 1in
Product Width 76.20mm 3in
Product Length 124.46mm 4.9in


      Key Info:
      • Brand: Traxxas
      • Part No: TRX7782
      • Barcode: 020334778208

      Delivery & Returns

      Standard Shipping

      £3.95 to most of the UK

      Express Shipping

      £6.95 to most of the UK

      Worldwide Shipping

      Available at checkout

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      Questions & Answers

      Real questions from real customers. Why not ask your own?
      Hiya, is this part the same for front and rear diff?
      Zak Buttifant / 26th June 2026
      Yes it is.
      Steve @ Wheelspin Models
      Hi Will this fit the centre diff aswell please.
      Craig / 3rd January 2026

      Yes they are the same .

      Steve @ Wheelspin Models
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      Traxxas X-MAXX Gear set differential (output gears (2)/ spider gears (4)/ 16x23.5x.5mm TW (2) Manuals & Guides