Tekno Big Bone Center Driveshaft for Traxxas Slash 4x4
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- Опубликовано: 11 сен 2024
- Here's a look at the new Tekno Big Bone Center Driveshaft for Traxxas Slash 4x4. This black anodized aluminum driveshaft uses a standard "dog bone" design and keeps it super lightweight even with it's 1/4" thickness. Also with the kit I got, Tekno includes hardened steel outdrives that bolt directly to the front and rear diffs with the included hardware. This is a "Must Have" for any Slash 4x4 owner. In this video, I show the progression of the install and a slight modification I had to do with the LCG chassis to make everything work perfect.
Here's where I got it and some info from Tekno RC:
bit.ly/3aGVMXr
Product Description
The Tekno RC Big Bone Driveshaft and Outdrives for the Slash 4×4 and Stampede 4×4 solves the many issues associated with the stock center driveline. First off it's FAT! Yet it's still extremely lightweight.
It's a dog bone rather than a simple splined shaft and as such will not bind, split, or bend the way the stock shaft does. The laser etched shaft is machined from high quality aluminum and anodized for incredible wear. Newly designed hardened steel outdrives on either end replace the weaker stock parts for the ultimate center driveline available for the Slash 4×4 and Stampede 4×4 vehicles.
So yeah, it's a 'must have' for any racer or basher. Another rock solid upgrade from Tekno RC!
Features:
•FAT, Big Bone shaft is much stronger than stock
•Dog bone design will not bind, split, or bend like the stock unit
•Lightweight aluminum shaft, hardened steel outdrives
•Laser etched and black anodized for wear
Big Bone Center Shaft Parts List:
TKR6755 - complete kit (Stampede 4×4)
TKR6855 - complete kit (Slash 4×4)
TKR68551 - rear outdrive
TKR68552 - front outdrive
TKR67553 - center shaft (Stampede 4×4)
TKR68553 - center shaft (Slash 4×4)
* The O-rings go inside the drive cups two in each cup.
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You can never be too flashy under the shell!
I ran them back to back yesterday and it's night and day. The Tekno feels heavier and that's a good thing, as it's powered accordingly. I have only ran the Slash a couple of packs now and haven't got it dialed like the Tekno. Nothing against the Slash, but I think serious race wise, the Tekno is where it's at.
Yeah, I had heard about it prior, so knew going in. Removed a very small amount of plastic and all is good. One of the best upgrades to the car!
Lol!!! Thanks for the compliment! Now go out there and share these vids! I just started about a year ago and have been growing the channel quite rapidly. Right now I'm gaining about 550 subscribers a month.
Just finished installing this to my platinum
not to in
I have had zero problems breaking the stock drive shaft and I run the ever living hell out of my slash, I have easily ran over 100 packs through it, at least five or 10 3S and one 4s. I've only broken them in hard crashes because this chassis is designed to flex but if you flex it too hard it will try to make the drive shaft shorter which does not work out so well. The stock drive shaft slides back and forth to allow chassis flex. It's literally required in the design of the car. Don't waste your money on a upgraded, heavier, drive shaft.
I like your logic so I’m going with another Traxxas shaft. I bended mine in a crash like you mentioned- everything else is good though
Cool deal! It's a great improvement over the stock
It depends on what you want. If you are racing, then ya it makes sense to go with a stiffer shaft with no play, but if you are just bashing and using the car every once in a while for fun, stick with the stock driveshaft. The chassis flexes on purpose and the driveshaft has play to compensate for the flex
There's still play in the Tekno shaft. The weakness of the Traxxas shaft are the end points - how it attaches
I think for the type of racing I'm going to do (Indoor clay track), it should be fine. Not that you don't, but I know how to drive pretty well and all the cars I've had where there were weaknesses, I typically do not experience based mostly on how I drive
You and I have basically identical Slashes. I just have a Holmes Hobbies motor and ESC & X duty CVDs instead of Tekin & race duty shafts. It would be cool if we lived in the same area so we could race.
yeah, I've had it for years!
Wassup RCN! Nice video.. Lol I forgot to mention the rubbing on the Tekno but you got pretty much covered everything! Nice.. Don't get any ideas on dying the chassis that one is perfectly fine.. But I do recommend a upper chassis brace.. That should stiffen it up ... And keep those stock arms ... RPM flex like JELLO.. Have a good one
I had the same problem with the front out drive rubbing to, other than that it is a great drive shaft and worth the money
Yep, I agree!
Thanks JM13!
Mine struck also. I took some off with the dremel. I took more off than you. Its a very thick area so it won't weaken the piece. I found it was the actual end of the dogbone hitting as it protruded from the slot. Did you keep this model?
Oddly, someone made me an offer on this truck after I only ran it one time at a track.....
Cool, I will!
Great vid!! It is compatible with the NON LCG version of the Slash?
As far as I know, yes. There's only one part number from Tekno.
xD we both set a vido up almost at the same time , lol
by the way sliding of the driveshaft front to back is not soooo bad , but a hollow shaft tends to twist and bend under torque ,much easier than a solid one :)
No, but I have ran an LCG Slash at my track that was basicaly stock (just an upgraded servo and tires)
Thanks GTek! Yeah, I'm not sure that RPM arms are the right thing for racing.
I had my Slash VXL 4x4 for a few months and ran only a few times with it. I took it to my brothers to replace shocks on his and we took them out and within 2 minutes I was down with a split drive shaft. ugh. Needless to say I ordered this and am currently waiting for delivery.
This is a great upgrade from the stock version
Cool thanks!
I'm fine with the stock for now
Another good one! Thanks for the vids man :o)
+BushmanofYukon Thanks BoY! Great upgrade for any Slash 4wd
Got this kit and the vibration is ludacris with 3s.
With the Tekno driveshaft?
I was actually a little disappointed in this product. I replace my stock extruded Traxxas spline style shaft with the Tekno and wound up bending the Tekno one also. I know what you thinking... I'm a baser. Not even close. I have never even run the car outside. I take it to my local hobby shop on the weekend with my boys and run it on their indoor track. The do have some small jumps in there, but nothing too extreme. I assumed it's was a better more robust design than the stock, but under my driving condition I would not expected this to happen.
+newagemuscle2010ss That's strange. You may want to check thing to see if you're flexing the chassis at all creating stress on the drive shaft to cause it to bend. The Axis RC brace could help
I checked and there is no chassis flex. I considered the chassis brace also, but never really pursued it because I wanted to avoid adding mass to an already heavy vehicle. I contacted Tekno today and they thought it was strange to have bent. According to them I am the first that has contacted them with such an issue. They asked if I would email them some pictures so they could see. I will be doing that tonight. I guess I will see what happens. At this point I just hope it's covered by some type of warranty. I hate to go buy a new one.
They're great people and I'm sure they'll make good on it pending, of course real world use.
Well... I retract my post. After further investigation I found out the Tekno driveshaft is not bent at all. It turns out that the shaft on my diff was the issue. Replaced it today and things are as good as new.
Good to hear!
I dont know what it is about you, but you sound like Stu, from the hangover.
Nice vid man
Do you know the size of the setscrew? The setscrew for the rear? (without the pin)
how is your slash 4x4 lcg platinum/ultimate compared to your tekno sct410? a huge difference for racing? i currently have a slash 4x4 lcg ultimate and im trying to decide if i want to give up on the slash as a racer and move onto something more competitive. thank you for your time.
What kind of motor do you have for the slash
Rich did U run this truck in stock form as a base to judge performance gained ?
driveshaft on my slash 4x4. I could not get the outdrive that attaches to the slipper clutch assembly shaft through the motor bearing. Is this normal or did I get an outdrive that isnt quite machined down enough??
The stock unit, I was able to pull the slipper clutch out without removing the outdrive from the slipper shaft
Could be.....might also be the tolerance of the bearing....sometimes they're just tight
I like Tekno RC parts, but I don't like the dog bone ends on the shafts. The cups wear out too fast.
And it looks like the front drive cup is rubbing against the steering bellcrank on the left side.
+RakinBill Tekno did a good job on this part and dealing with what Traxxas left them with (as for stock parts)
+The RCNetwork I had purchased a used TMaxx 3.3 that had CVD's with the dog bones, and they were new, but after about 2 weeks of bashing, and jumping, the cups were worn out completely. I have no idea who the manufacturer was, but those were junk.
I will have to try these on my Revo 3.3 I have now.
:) ( going to become an automotive engineer sooo... i had to calculate that in school :P )
Is this shaft made of solid steel?
It's Aluminum....solid steel would be a downgrade and weigh a ton causing electronics to heat up and in the end a slower car
Hate to say but u should have boiled ur chassis as they are now ur week link . I've broke 3 so far since December
Same dremel... Lol. Great dremel for the price.
you should diy your chassie to make it more stealth and to hide its a slash 4x4
Is there any way that this certain driveshaft can make your rc slower because when I installed the same driveshaft that you have it made my car slower in some way
XMasterMadnessX if there's any rubbing, yes....if no rubbing is should be about the same....there's very little weight difference.
Hey Mr. RCNetwork. So I installed the Tekno Big Bone on my slash 4x4 LCG. And when I tested the car, it sounded like if I kept it running it, something would snap. Could you please help me out and tell me what I have to do because I really don't want to go back to the stock one. Im not sure if it is because I used a hand sander thing to try and remove the some part of the chassis like you did, or if it is because its hitting the thing that connects the servo to the bellcrank.
Teja Pandrangi MAke sure the outdirves are on square to the diff/center diff or center slipper. Next check that front tunnel to make sure the Tekno driveshaft is not hitting any material. Last, if the steering linkage is hitting, something was installed wrong, somewhere
I put this on my slash 4 x 4 and it still rubbing after used the Dremel tool on the bottom I took off a good amount little more than yours and I still gets sous rubbing
Praster89 HCG or LCG? Make sure every thing is installed correctly....that is the front bulkhead, diff case, etc. Anything that would cause the outdirves for the Big Bone shaft to be altered. Mine was just a tad off, but the dremel helped that
K. Just bought the platinum. I just installed the tekno and mip x-duty drive shafts. I did the shaving like u in this video. Still have issues when its turning. It's like all jumpy like its hitting a notch or something. I know it's up front. I removed the wheels. Not as bad but still wants to get choppy. Any ideas? Also shaves sum of the bell crank were the screw goes through for servo horn. No luck..Any help would mean alot. Thx in advance
Craig Wallace you’re gonna have to keep double shooting. I would remove the pinion gear and spin the drivetrain. Something is either out of round, tightened wrong or hitting at a particular spot in the steering/suspension travel
The center differential bar that goes threw the spur gear seems to shake around a little causing my new tekno drive shaft to rub against my motor. Is this normal for it to be able to bounce around like that. I also noticed the barring isn't tight on the differential casing that goes into the motor mount. Can that be the problem? What can I do this is driving me crazy!? Thanks 👍😎
Nope, not normal - You'll need to start trouble shooting and check if there's worn out parts/bearings/etc
The RCNetwork i ordered myself a king headz motor mount and a hot a racing center differential aluminum casing... Hopefully this will solve the problem. If not I might just take up drinking, fingers crossed
I just ordered that for my truck
+ULTiMATE TRAXXAS MAN Nice! Just keep in mind, you'll have to trim a bit to make it perfect
+The RCNetwork do i have to use a dremel or os there something else i can use
+ULTiMATE TRAXXAS MAN Dremel works the best.....you can use a sharp exacto or a round file to expand the hole
+The RCNetwork sweet because i dont have a dremel but i have exacto knives
WHERE CAN WE FIND THE RUNNING VIDEO?
Never did one....I ran it once at my local track and someone offered me $750 for the truck and I took it!
on my slash it still has the regular drive shaft from about 3 years ago and i do run a 3s lipo so idk what your talking about when u say that there not good?
YOu're probably lucky, or haven't identified the issue with your center driveshaft yet....The Tekno version applies conventional outdrives and a solid center "bone" vs the hallow TRX version
Drive shaft wasn’t my problem ur was the stupid drive hubs.
I'm probably not going to dye it at this point
Will this fit the rustler 4x4 LCG CHASSIS?
Tekno states just the Slash 4x4....but this was made/designed before the Rustler 4x4. I'd check the stock driveshaft part number for Traxxas and compare to the Traxxas Slash 4x4 leg vs the Rustler. If they're the same, it's possible it will fit
Is that a 4600kv motor you run I thought anything over 4000kv was out of the picture for slash 4x4 or anything 4x4 and I reckon you only use a 2s lipo.
+anthony osuna 4600kv, at the time of this build was the highest ROAR legal motor allowed. 4600 and 400 are really close, as the 4600 gives you a bit better top end speed
+The RCNetwork oh ok we'll nice video I bent my stock driveshaft was looking at a upgrade how did this one hold up?
Just installed mine, and it hits the steering linkage when i turn to the right, i can see a rub mark on the pitman looking arm
Todd Shelton Yikes.....time to start trouble shooting
I brought a team associated pro sc 4x4 what would be a good motor set-up to purchase to keep it in a stock class or modified class to keep it legal im asking so I don't waste time and money. Thank you. ...
+Michael Flamboe You'll be legal with almost any 540/550 sized 2s system. KV has changed over the years, so double check the ROAR rulebook. 4300kv was the cap a couple of years ago.....With that, the ProSC comes with a 550 sized motor, so it's well balanced for that weight. I'm always favorable to the Tekin systems, as I know them very welll and they're super reliable. The Pro4HD 4300kv mated with an RX8 Gen 2 is the ticket.....If that's not suitable, check out some of HobbyWing's stuff
Brushless systems in a 4x4 short course class racing requires a 13.5 turn motor.
Also minimum weighti is 2505 grams.
Best way and probably the easiest way is with a 1/2 inch drill bit
Good deal!
I wanted to upgrade my wife and I slash 4x4 (not to brag, but each car has about $1k in upgrades). A lot has been upgraded EXCEPT the drive shaft. She doesn't want to upgrade it cause "it works just fine so why spend the money". I say, "It's an upgrade....we "NEEEEED" it !!!! I find the stock drive shaft to be just a little short. I mean, if one side is fully seated, then the other half is only half way attached. This upgrade would get rid of that (if I dare say) problem.
For you using it for what....several months now, how do you feel about it? Any regrets??
How does your wife feel about needing to be upgraded? That can get very expensive! I have found it to be cheaper to keep her. LOL, just kidding.
What drive shafts u using?
lloyd sullivan jr they’re the MIP race duty aluminum axles. I wouldn’t recommend them unless your racing only. They’ll twist and bond with you bash/rub more than 2s
What kind of shock towers did you use?
rc world STRC
Next upgrade: CF battery strap.
Will that fit a slash 4x4 2012 platinum edition?
That's what I installed it in. Fits perfect! Check my video, as I did have to trim a bit though
What is the strongest drive axles for 4wd slash vxl on 3s
Probably the MIP XDuty axles
I am not missing a tooth or have a Tyson tat, though!
Will this work on a Stampede 4x4 vxl?
GGobblin Tekno lists a different model number for the Stampede 4x4 (vs the slash 4x4) Here's a link: www.teknorc.com/shop/tkr6755-big-bone-center-driveshaft-and-outdrives-stampede-4x4/
to much rubbing and loud so decided to go back to the the stock shaft, way better
+RC LOCO 1904 Like I said in the video, you have to trim a bit to make it work.....
Hey I noticed a ton of loud noise and rubbing when I installed this on my slash. Haven't dremeled out the hole yet ..but do you think this is what's causing all the noise? It's a loud clicking almost
Do you know if that will fit the traxxas stampede 4x4 anyone??
+Damien Firestine Straight from vid description: "The Tekno RC Big Bone Driveshaft and Outdrives for the Slash 4×4 and Stampede 4×4 solves the many issues associated with the stock center driveline" and Tekno's site!
o ok thanks maybe i should of read the description. lol
The traxxas aluminium driveshaft is bad durability is ashamed to be used in any way related to that driveshaft im hoping to find one that can stand up to rough off roading
Thank you for the quick reply. I THINK i fixed it to where you can reply to my posts.
Yep, all fixed!
2 of witch were boiled lol
haha!
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