TRX4M Slow Crawl Gears Install vs Stock vs FMS FJ! Best 1st mod?
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- Опубликовано: 2 фев 2025
- Installing the slow crawl gears from Traxxas and comparing wheel speed with stock and the fms fj cruiser!
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Max Smasher (white) from FairRc available here
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Video on how to change servo connectors here
FCX24 Servo Connector Swap with no Soldering! Shorten your wires or change connectors EASILY!
• FCX24 Servo Connector ...
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Fcx24 Front Portal axles found here
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FCX24 Rear Portal Axles found here
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FCX24 $6 Motor upgrade found here
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Stock Scx24 driveshaft (long) used for rear
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I really like the trx4m out of the box and now looking forward to installing the gear set! I'm also really looking forward to what you'll do with them! Thanks!
I love a scale vehicle that is versatile. I love this vehicle. Thanks for the information and content. Definitely will add bearings. Looking forward to a season with the TRX4M.
Screw ball bearings, they rust and are not water friendly, I will stick to the stock bushing, because its such a low RPM vehicle, it will TAKE FORVER before those bearings wear out or rust. Keep the bushings!
Cant wait to see what you come I with for a custom build!
Can you put a fms 2speed trans in the fj?
I need to find out when I get the time! I just got the fire horse and I’m impressed with it. It would be amazing with more wheel speed!
@@2fmrc my lc 80 needs it bad
Thanks for testing out the low gears for us!
Really like these TRX4Ms, but not a fan of the Traxxas electronics with their proprietary connectors. One of these with a one of the nice Furitek brushless setups would be sweet! Capable crawling and enough speed for some trial action.
I was thinking the exact same thing since the esc and rx have the same type connection the furitek esc has 🤞🏻maybe @2fmrc will try this when he’s bored with the stock setup?? 🤓
That is awesome turning radius, I’ve been looking at the black bronco
I hadn’t checked to be sure but isn’t the smp same bolt pattern? Also, after two days of putting them in water, the bushings in the axles bind enough to cause pretty noticeable torque twist. No problem for cruising around but it’s enough to screw you when trying to crawl.
Yeah the smp is the same. I haven’t tried mounting it yet but there may be some clearance issues with it because of its diameter. The bushings are definitely a pain. I have a brand new axle straight out of the pack that has binding lol
I just put my white Max smasher body on my red power wagon chassis to make it a crawler instead of monster truck, I have the blue one for monster truck, but it seems to crawl better with the Ford body than the power wagon Body wow I’m impressed
What bearings did you use here. I'm trying to find inexpensive ones or stainless steel ones so I don't have to worry about rust.
Thank you again for testing these options for us! Love the honest reviews🤘
Really appreciate that! Staying busy with this one atm lol
Thanks! Why nobody consider changing the ESC to improve the slow speed control while keeping the wheel speed of the trail gears? Idk, Furitek, Modellbau-Regler, even the FCX24 ESC can be used
I’m working on that now but wanted to test with the stock esc for now because lots want to keep it and improve slow crawl without spending a lot.
Great vid cant wait for your mod truck!😃
Awesome video Matt very informative definitely will be putting those gears in when I get one of these. I don't have one yet but what I do have is a question about the fcx24 . I just recently put the cayman xl links on the back and Gladiator Driveline that I had to cut a little bit to get it to work right but anyway it works just fine but under a load something's locking up like as I climb a hill it locks up so there's some kind of binding I can't figure out where it might be if it's in the axles or if it's in the transmission where do you think it might be ? I guess it could possibly be even in the portal boxes I'm not sure I didn't want to tear everything apart but I guess I'm going to have to right
I would try disconnecting the driveshafts and spin front and rear individually to see if you can feel binding in either. If those are both smooth you may have to tear into the transmission. It could also be the tires hitting the outer portal covers. I’ve had that happen with the max smasher especially. Maybe pull the wheels and tires when you check the axles to be sure!
Thnx m8
How is the crawling with the slow gears compared to the fcx24?
Very similar. I’d probably still give the edge to the fcx24 but the Traxxas sounds much smoother. I’ll have to compare them soon!
@@2fmrc ya you should do the traxxas with the low gears vs stock fcx24 and see who wins
Wow nice steering comparison the M is just set up better even stock. The low speed gears seem to be the trick to get it to perform better.
What wheels (purple) are on the truck with the atlas body?
I can’t wait to see some furitek Motor on this thing❤
I got the green defender and put some beadlocks and Baja pro X's on it and it goes pretty good I got the low gear transmission and motor combo that way I could just switch out great video by the way love them
Yeah I need to swap the wheels and tires. Still testing with the stocks for now. They aren’t half bad for stock tires!
So I tryed to mount my trx4m bfg tires on a set of injora beadlocks. Thats a no go. The traxxas tires have a bead thats to think. The tires hook good n I wanna run em. So its a bummer gotta get the expensive trx rims or diy something
Been looking for that power wagon body. Where you get it Matt? Sweet vid to
Love the videos you do. I'm sure it is a lot of work. Can you please do a high speed gear video? Can't find any videos on that. Thanks for all you do.
Also. They could have done a few stickers. It’s kindof a plain body
I love my scx24 's and I've been having a blast with the new trx4m and mods will be fun
Been contemplating getting the FJ to compliment my 4M Bronco, mainly because I can't find a second one for my son. LOL. The FJ is also 50 bucks cheaper right now, so it seems like a purchase is in my future along w/ some new tires. :) Thanks for the video!
pinions come off easy with heat get it red then use something to pop it off with no damage
I think I've seen somewhere that the trx4m has normal, trail and crawl mode programmed into the esc.. can u confirm that?
Yes it does
It just adjusts drag brake and makes it FWD/REV only
Yeah it does. It really just adjust the drag brake and driving mode like forward/reverse or forward/brake/reverse. It makes no difference in the slow crawl unfortunately.
cant wait to see it built! curious on having to swap frame for the servo clearance with more flex, im honestly fed up with scx24 front lack of steering. so seeing this makes me excited! ive popped cvds and even gotten different axle housings just over it haha.
Yeah that’s the exact reason I totally went away from builds with the scx24. Hate those axles! Lol
Nice improvement for sure!
I have the crawl gear set haven’t installed but damn this looks so slow.
I think it needs a 4100 bam and a lizard pro on 3s it would be a beast
The bam mounts straight in it!
This vehicle needs to many important upgrades for me . The wierd battery connecter tops it off .
Just make an adapter and leave it plugged into the esc….itd be $2 in wire and connectors that’d work for all your normal batteries
i see people complain about binding when fully turned you experience any of that
Tiny bit. Video coming on that next lol
Apparently it's fixed by resetting the end points in the radio.
Hello from southeast alaska how's life treating you bro
Do the bearings make any real difference? I mean MAYBE the ones in the transmission make a noticeable difference?
Gotta do an scx24 comparison line for line! Use a wheel that fits both so they can use the exact same wheels and tires? 😁
The bearings make a huge difference in the axles. I pulled a new Traxxas axle out of the package and it binds really bad with the bushings.
@@2fmrc oh really? Damn I was hoping bushings would be fine, planning on getting it wet 😂
@@V8chump I mean it could be something else in the axle. I haven’t pulled it apart. Once I replace the bushings with bearings I’ll have to see if it has any issues.
@@2fmrc Have you tried any sort of grease to prevent binding?
They don’t mean walking trail when they say trail truck you know… haha. Off road trails can be scaled down to any size.
Me personally I won’t be putting the low speed gears on mine cause I don’t think the low speed has Enough wheel speed
All 3 gear sets have the same pinion. U don't need to change it
It’s a under powered truck. Needs a 3s or you should try a 6$ motor in it
Working on it lol
@@2fmrc I just put in the speed gears. Didnt seem to take away from the crawl. But added alot of high end obv. The crawl gears dont do much in an electric car. they have enough torque where it dont matter
@@gregorholmes1837 the torque on my stock truck sucked! With the stock gears when it was in a tight spot it seemed like it had to struggle to pull over an obstacle and then it would just kinda jump over it quickly. With the crawl gears it’s much smoother. Just less wheel speed. I’m testing some motors now. In the end I just wanna pull the stock esc/receiver and go 3s lol
@@2fmrc It might be built for 3s? And ya stock motor is weak The speed gears didnt affect the low end much tho
@@gregorholmes1837 that’s good to know! Maybe speed gears with a stronger motor would work!
The more I learn about that truck the more I am glad I didn't get one.
Idk? I really like it. They went cheap in a few areas but I like it. The axles are great once you put some bearings in them 😆
@@2fmrc Something about it makes it look like a kid's toy to me. I can't take it seriously as a hobby grade crawler.
It is not a good size for outdoors. It wouldn't be good for indoors on my course either. To me it is too small and too big. 1:18 is an odd scale.
I really like my 1:10 TRX. I modified it, like everything else I own, and it does great. I don't hate on Traxxas at all. They usually make great stuff.
Now that it is snowing here again it is coming back into SCX24 season. We both love those.
the more i see, the less i like
these are not really trail trucks. waaay too small. unless the "trails" are flat as pavement, they'll hang up everywhere. a 1/16 WPL with 100$ in mods would eat it alive on any trail just because of the size difference
with that slow crawl gear, it looks... meh. good slow, awfully slow top speed. looks like a FCX24 in low gear. this either needs a 2-speed, or a pretty serious motor-esc upgrade. considering the popularity of traxxas, i'm betting we'll see a 2-speed within a year :)
the comparison to the FJ is a bit... unfair as far as top speed goes, 'cause it has a (comparably) puny tiny 050 motor in it :) like A LOT of the FMS/Rochobby models, i think they spent all the $$$ on scale looks on a decent budget, and cheaped out on performance (and since nobody does any aftermarket motor mounts, upgrading that would be quite the endeavor... :( ). the FCX24 is one of the exceptions with FMS, not the rule, when it comes to crawling performance
Traxxas is smart! Sell a decent unit thats pretty amazing, BUT then, let the free engineers (sne 2FM RC eze) do all the time consming research and development.
Dude, you are the cheat codes for companies, they better pay you, because what you doing is literally a job!
I really appreciate it. I just do it for science! And for the people who can’t afford to experiment as much. I mean… I get a little something from RUclips but it ain’t much lol. Traxxas has no clue who i am 😆
@@2fmrc Well glad you at least do what you love and get alittle someting and stay motivated!
Did anyone else hear the mooing in the back ground ?
Haha! Wondered if anyone would notice that!
As a big fan of Traxxas, I'm not sold on these yet. I've never been a fan of actual scale RCs. A "trail vehicle" in such a small scale is kind of ridiculous. To me, a trail vehicle should be like walking a dog. Able to keep up with the walking pace while traversing trail obstacles. This can't. Hard bodies have no real point on RCs. They only hinder performance (ALL performance abilities). Just my 2 cents that doesn't matter. If it makes YOU happy then it's a good RC.
There are tons of scale rigs out there that make crazy crawling lines with their hard bodies...
Yea trail trucks aren’t my thing, even though I do walk my trx4 like a dog to all my outdoor lines… but these guys are so small you can carry them on a hike, plop it down, and do some CRAZY lines. After some brass even an scx24 is great to bring on a hike, and I can guarantee there’s gonna be some great crawls wherever you go since these are so small you don’t need a 10 foot rock feature to make something cool
@@V8chump try crawling the trx4 in the backyard of ur apartment. Good luck lugging over a rock that big, several of em, from a nearby park. Your course won’t be big enough for the big guy. But with this little thing you can make anywhere a great big and challenging course with either the foam stuff or just cleaned up rocks and stones u can collect.
@@prob6999 yep that’s what I’m sayin! I wouldn’t even worry about the title of “trail vehicle” You can legitimately crawl, not trail, these things just like a trx4 but you only need a 3x3 section of tree roots to find some badass lines that’ll leave you saying “but…how?” 🤣 that’s why I usually bring a small crawler with me on hikes just in case I find a cool little spot
@@V8chump exactly why I bought one. Throw it in my backpack with my dirt bike n plop it out