Power HD TR-4 Waterproof Metal Gear Servo (Upgrade for Traxxas TRX-4 and TRX-4m) - 2.6KG 0.10s

Power HD TR-4 Waterproof Metal Gear Servo (Upgrade for Traxxas TRX-4 and TRX-4m) - 2.6KG 0.10s

Brand: Power HD

Part Number: HD-TR-4

5 (2 ratings)
£21.70 Web Price RRP £23.59
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Having compatibility with high voltage 6V-8.4V, at 7.4V input the servo pulls up to 2.6kg-cm of torque at a speed of down to 0.10s. A long 35cm receiver wire and mini size of 22.5 x 12.5 x 24.0 mm ensures the servo is a direct fit in crawler TRAXXAS TRX-4. The servo TR-4 comes with 25T metal spline and special gaskets make it waterproof for go-everywhere capabilities. 

**Use for steering servo on TRX-4m and diff lock/two speed on TRX-4**

TR-4 Specification:

  • Torque(4.8V): 1.8 kg-cm (25.0 oz/in)
  • Torque(6.0V): 2.2 kg-cm (30.6 oz/in)
  • Torque(7.4V): 2.6 kg-cm (36.1 oz/in)
  • Speed: 0.15 sec (4.8V) ? 0.12 sec (6.0V) ? 0.10 sec (7.4V)
  • Operating Voltage?4.8 ~ 7.4 DC Volts
  • Weight: 16.0 g (0.56 oz)
  • Gear Type?Copper&Alu
  • Operating Temperature: -20?~60?
  • Working frequence?1520μs / 50hz
  • Size?22.5 x 12.5 x 24.0 mm ( 0.89 x 0.49 x 0.94 in)
  • Brand: Power HD
  • Part No: HD-TR-4
  • Barcode: 6929138004008
  • Fitment: Option Part

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- 11th May 2020

Great item cheers

- 16th July 2023

Perfect replacement for the trx4 micro servos. I'm now going to order 2 more for the locking diffs

Is this servo a replacement for the Traxxas 2 speed gear box servo Thank You
Asked by Geoffrey Ruzgar on 9th October 2020

Yes if you are running a TRX 4 unit.

Answered by: Anthony @ Wheelspin Models

Can this servo be used to replace the Latrax Teton steering servo?
Asked by Kevin Carter on 10th February 2021

Yes if you have a TRX-2065 installed, this is the same dimensions

Answered by: Ben @ Wheelspin Models

Will this axial capra dig ?
Asked by Stuart Mcmillan on 4th June 2021

Yes that should fit I believe looking at the dimensions

Answered by: Ben @ Wheelspin Models

what connector on signal, pos, and neg wires?
Asked by Nick Hale on 1st August 2023

That is a normal receiver plug.

Answered by: Steve @ Wheelspin Models

Is this compatible with traxxas slash 1/16
Asked by Ismail on 25th December 2023

No you would need this one TRX2080X

Answered by: Steve @ Wheelspin Models

Hi Guys, Do you think these would be a easy swap replacement for the the diff & gear servos in the FTX Tracker, Would they be the same amount of splines etc for the servo horns that are on the Tracker. Thanks Darren.
Asked by Darren Neale on 28th January 2024

Yes these should be a good replacement for the standard servos

Answered by: Si @ Wheelspin Models

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