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10-30-2018, 01:02 PM | #1 |
Newbie Join Date: Jan 2011 Location: Ottawa
Posts: 31
| Replacement steering servos - size difference
The Traxxas 2075 servo that comes stock in the TRX-4 is 55.1 mm long (https://traxxas.com/products/parts/servos/2075X). A popular replacement is the PowerHD WP-23KG, which is 40.1 mm long (https://www.amazon.ca/Power-HD-Water.../dp/B06XBS18YZ). Does the servo tray need to be modified to make the smaller servo fit? Last edited by JD and Beastlet; 10-30-2018 at 01:08 PM. |
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10-30-2018, 01:09 PM | #2 |
Rock Stacker Join Date: May 2018 Location: northern illinois
Posts: 97
| Re: Replacement steering servos - size difference
The power servo is 54.5 mm long. Almost identical length. These measurements are total length including mounting tabs. Sent from my SM-G950U using Tapatalk |
10-30-2018, 02:34 PM | #3 |
RCC Addict Join Date: Nov 2017 Location: 3rd rock pile on the right
Posts: 1,801
| Re: Replacement steering servos - size difference
No mods needed, it drops rite in place of the 2075. I run a powerHD 20kg in mine n it does great! Sent from my SM-J327VPP using Tapatalk |
10-31-2018, 11:10 PM | #4 |
Quarry Creeper Join Date: Aug 2018 Location: Toronto, Canada
Posts: 430
| Re: Replacement steering servos - size difference
This is the one you want : https://www.amazon.ca/ANNIMOS-Digita...dp/B0769DFJVK/ Works beautifully, comes with a long connector wire, and fits without trouble. Sent from my SM-N950W using Tapatalk |
11-01-2018, 07:44 AM | #5 | |
Newbie Join Date: Jan 2011 Location: Ottawa
Posts: 31
| Re: Replacement steering servos - size difference
Thanks for the info... I understand now. Quote:
Hard to go wrong at the that price... it's on the way! Last edited by JD and Beastlet; 11-06-2018 at 08:44 AM. | |
11-01-2018, 03:09 PM | #6 |
Newbie Join Date: Jul 2016 Location: Los Angeles
Posts: 5
| Re: Replacement steering servos - size difference
On the Bronco chassis its an issue to fit some servos, as the mounting plate has holes drilled to exactly match the servo Traxxas uses, and the holes on one side of the mounting plate have metal inserts in them designed just for the Traxxas servo, that dont allow you to mount some other servos flat. Even though my replacement Savox servo was almost exactly the same size as the Traxxas servo, the mounting holes in it didn't match up to the stock drilled holes. I was able to use it anyway by opening up the holes in the Savox with a Dremel tool a little bit, so now they fit over the Traxxas holes.. At least the stock screws have big heads that cover and snug it all down. It works great now, but its annoying that Traxxas makes a great rig like this but with a cheap crap servo that literally stops working after 5 runs.. Then they attempt to make it hard to use any other servo but theirs with shady little things like this. A business tactic many companies use, but not the way it should be in RC
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11-01-2018, 03:38 PM | #7 |
RCC Addict Join Date: Aug 2017 Location: Fredericksburg, VA
Posts: 1,912
| Re: Replacement steering servos - size difference
It is NOT a big deal to mount an aftermarket servo in the TRX4! There are NO metal inserts in the stock Traxxas TRX4 servo mount! The LH side mount holes do have a shoulder which centers the servo on the LH side. Mounting an aftermarket servo is not rocket science just requires some very minor trimming and the large head screws still hold the servo in place. Please stop whining.
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11-05-2018, 02:21 AM | #8 |
Newbie Join Date: Oct 2018 Location: Australia
Posts: 7
| Re: Replacement steering servos - size difference
Hi, I've just got a defender and a Power HD DW-25LV as backup for the stock servo. This is my first RC so I'm trying to make sense of everything but the forums and YouTube have been a great help. I'm pretty sure I can run the new servo without a BEC but not 100% sure. The instructions state it can run on 4.8v or 6v so I'm thinking it would be fine without one because the stock ESC should put out the 6v easily? Appreciate any suggestions or info Sent from my SM-N960F using Tapatalk |
11-05-2018, 07:01 AM | #9 | |
Quarry Creeper Join Date: Aug 2018 Location: Toronto, Canada
Posts: 430
| Re: Replacement steering servos - size difference Quote:
"Torque (4.8V): 21.0kg-cm Torque (6.0V): 25.0kg-cm Speed: 0.13sec (4.8V), 0.11s (6.0V) Operating Voltage: 4.8-6.0V" Looks like a fast, strong servo! Sent from my SM-N950W using Tapatalk | |
11-05-2018, 04:12 PM | #10 | |
Newbie Join Date: Jul 2016 Location: Los Angeles
Posts: 5
| Re: Replacement steering servos - size difference Quote:
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11-12-2018, 09:10 AM | #11 |
Newbie Join Date: Jan 2011 Location: Ottawa
Posts: 31
| Re: Replacement steering servos - size difference |
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