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Traxxas E-Maxx Two-Speed Conversion Kit w/Shift Servo
Traxxas 3998 E-Maxx Two-Speed Conversion Kit with Shift Servo

Our Price: $55.00
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This is the optional Traxxas Two-Speed Transmission Conversion Kit for the Traxxas E-Maxx 16.8V and E-Maxx Brushless trucks.

  • Provides more torque for climbing and driving through mud, grass and snow
  • Close ratio set (18/21) provides almost seamless shifting into second for quicker acceleration
  • Wide Ratio (13/26) provides the most extreme first gear ratio for maximum torque and low speed control
  • Same top speed as stock single speed setup
Close ratio and wide ratio gear sets, shift fork, shift rod, servo clamp springs and arm, two 3x6mm screws, one 3x10mm screw, mini servo, idler gear two 6x12mm bearings, two 5x11mm bearings, spacer, and instruction sheet

3-Channel Transmitter & Receiver to control shift servo
Disassembly of transmission

1st Gear (close ratio): Spur/Pinion x 8.43=Final Drive Ratio
1st Gear (wide ratio): Spur/Pinion x 14.45=Final Drive Ratio
2nd Gear: Spur/Pinion x 5.22=Final Drive Ratio (same as single speed)