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Traxxas Pinion Gear, Differential (Rear), X-Maxx (Traxxas 7778 | TRA7778)

Model: Traxxas 7778
Dist. #: TRA7778   SKU: TRA7778

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South Jordan, UT
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Price:  $6.49

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Updated on Jan 17, 2026 03:47:28 AM

Pinion Gear Differential Rear...
This is the Pinion Gear for the Back Differential
for the Traxxas X-Maxx Beast Truck, TRAD75**.

FUNCTIONS:
Solidified steel construction

INCLUDES:
Pinion Gear for Back Differential

Want one more great thing to enhance the above stated thing?

Ring Gear, Differential, X-Maxx

This is the Ring Gear
for the Traxxas X-Maxx Beast Truck, TRAD75**.

FUNCTIONS:
Solidified steel construction
Fits front and rear differentials

INCLUDES:
Ring Gear

Regularly purchased with the thing that you are presently checking out.

Pinion Gear, Differential (Front), X-Maxx

This is the Pinion Gear for the Front Differential
for the Traxxas X-Maxx Beast Truck, TRAD75**.

FUNCTIONS:
Solidified steel construction

INCLUDES:
Pinion Gear for the Front Differential

The below thing also sets truly well with the thing being gone over.

X-Maxx Body, Prographix

This is the ProGraphix Body for the Traxxas X-Maxx Beast Truck.

FEATURES:
Trimmed with printed graphics used (requires final color
    application)
Formed from clear polycarbonate plastic

INCLUDES:
X-Maxx ProGraphix Body
Two Decal Sheets

NEEDS:
Final color application with polycarbonate safe spray or brush-on
    paint

SPECIFICATIONS:
Length: 27.7" (705mm)
Width: 9.2" (234mm) behind front wheels, narrowest point
    11" (279mm) at rear wheels, widest point
Height: 7.1" (180.3mm)

This thing compliments the above gone over thing.

Bumper Mount, Front/ Bumper Support, X-Maxx

This is the Bumper Mount and Front Bumper Support
for the Traxxas X-Maxx Beast Truck, TRAD75**.

FUNCTIONS:
Molded composite plastic construction

INCLUDES:
One each; Bumper Mount and Front Bumper Support

Get this thing to improve the one you read about.

Rebuild Kit, Steel Constant-Velocity Driveshaft (Includes Pins F

This is the Rebuild Kit for the Constant Speed Driveshafts
    used on the Traxxas X-Maxx Beast Truck, TRAD75**.

FUNCTIONS:
Steel construction
Replaces the pins and inserts that connects the #7750 consistent
    velocity driveshaft to the #7753 stub axle

INCLUDES:
Two each, Pins and Inserts

Numerous others have actually purchased this thing together with the thing that you are presently checking out.

Drive Cup (1)/ 3X8mm Cs, X-Maxx

This is a Drive Cup for the Traxxas X-Maxx Beast Truck, TRAD75**.

FUNCTIONS:
Solidified steel construction
Transfers power from front and rear differentials to driveshafts

INCLUDES:
Drive Cup with 3x8mm Cap Screw

REMARKS:
Four are required per vehicle

Frequently Bought Together

Traxxas Pinion Gear, Differential (Rear), X-Maxx
+
Traxxas Ring Gear, Differential, X-Maxx
+
Traxxas Pinion Gear, Differential (Front), X-Maxx
This Item: Traxxas Pinion Gear, Differential (Rear), X-Maxx
$6.49
Traxxas Ring Gear, Differential, X-Maxx
$8.49
Traxxas Pinion Gear, Differential (Front), X-Maxx
$8.49

Total Price: $23.47

Add All Three To Cart

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