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- เผยแพร่เมื่อ 2 ต.ค. 2021
- The LEGO Technic Cat D11T Bulldozer is some of Markus Kossmann's best work, containing amazing mechanisms, incredible engineering, perfect aesthetics, and more! That being said, is it really worth $450? Personally, I have tons of nostalgia for the original, 2007 power functions bulldozer. This set blew me away in terms of its size. I did not expect it to be so massive! On top of that, it contains an advanced gearbox, which is definitely an upgrade over the 2007 one.
📸 Instagram: @unbrickme
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#legobulldozer #legotechnic #legotechnic2021
I work for a Caterpillar Dealership and in the actual machine, the blade lift IS slow, so any modification to speed it up would make it not realistic. The actual machine does have a blade safety feature to quick drop it, should an emergency arise whereby the operator need to stop the machine quickly.
Float? The blade on any dozer I've ever ran moves faster than this p.o.s. overpriced Lego version.
It would be nice if the gearbox could engage multiple functions at once like on some other sets, and it would also be better if the motors drove the sprocket gear instead of the rear idler.
Terrific review. Comprehensive. First review I’ve seen showing the pushing power of the dozer with sand. It was surprisingly impressive. Looks wise you’re right the designer has nailed it. The Leibherr actually looks small in comparison. But …….£419 is too much.
Thank you very much. Yeah the old tracks look tiny in comparison
If you wished that the track tension knob was motorized, you can attach the medium angular motor from the Lego mindstorms 51515 set. You can remove technic hub from the lego technic bulldozer and attach the lego mindstorms Robot Inventor hub so you can have more ports to connect the motors. 0:45
great idea!
Imagine if the dashboard sticker was actually a tiny version of a phone with the Control+ app. That'd be a neat little easter egg that I feel like lego should implement.
Just bought it today, looking forward putting it together!
Well the rippers do technically have a tilt it's primarily there just to keep the ripper assembly vertical at various depths so I can see why they skipped it in favor of the ladder
Nice video!
Thanks
i love my 42131. aside for some track tensioning issues/tracks coming off, that is. there seems to be a sweet spot for the tensioning that is tricky to nail down without spending more time fussing with the tensioner than the actual set. i think they optimized the blade lift/lower speed just a bit. still slow, but maybe not quite a snails pace.
New Hub Firmware for CAT control with Lego 88010 remote in Eurobricksforum unter „42131 - CAT D11 Bulldozer“
The idea with LED function indicator is clever.
Remote's +/- buttons to directly control the treads. The red buttons control the active function. Pressing the green button cycles through the four functions, and the remote's LED indicates which one is active:
* Blue: blade lift
* Green: ripper
* Yellow: ladder
* Red: blade tilt
* White: function switching in progress
I didn’t know that thank you so much for letting me know
I like your lego models test-drives
Thank you so much
Good Job!
Thank you very much I greatly appreciate your support
I have mine finished on Saturday, considerate it lacks ripper till function, over prices for sure, but overall it’s a good set.
Everybody is so hung up on the ripper... If you would sink it into that same gravel we see on this video, for example, it would wear down the plastic "ripper hook" in no time. What toy company would release a product that destroys itself?
Im machine operator (excavators, loadera, dozers)
The way you operate dozer is, you set throttle and then use brake pedals to slow one side in order to turn, or you can use joystick (at least in new machines)
Question, can it be used in sand cause I’m worried it will stop the tracks from moving
i will use the 42097's outriggers as pistons (8 of those are needed). and those can also be used manually.
Hi Unbrickme!
Firstly, is there enough space to turn the gearbox into a 6 functions gearbox, so that ripper tilting ( to add ) and track tensioning can be RC?
Secondly, once you will be done moding the cat, would you mind sharing it? I think a lot us would be interested by it ^^
Thirdly, nice review, thanks!
Fourthly, don't you think for moding it that buying 2 more black linear actuator would be worth it?
I don’t think there’s enough space in the bulldozer for a 6 function gearbox. Once I’m done modding the bulldozer to have 7 motors and ripper tilt, I will definitely make free instructions. Yes, I think getting two more linear actuators is worth it. Shouldn’t be too expensive on bricklink
Very nice video! I hope to get it whenever I can find it for around $300.
I think the price will drop that much in about 1.5 years
@@Unbrickme let's hope so!
the 42131 is not entirely 1:1 scale. it has 12 roadwheels. the real d11 has 16. the ripper looks fragile and half done. they could have made an impact ripper. it was heavier and longer. and the very large and high volume yellow blade u see inside the manual is a coal blade. the 42131 has a normal blade.
In the next video you can do “why is control + overpriced” or “why is the d11 bulldozer overpriced”.
PS: you are definitely my favorite lego youtuber
Thank you so much I’m flattered! Yeah that’s a great idea!
I have a great question for you Unbrickme. I was going through the parts inventory as I was taking this bulldozer apart. I counted the number of the black connector pins (connector peg w friction).
I got 706 pins, but the inventory has these split into 2 groups with different part numbers. It shows 146 of part 4121715 and 561 of part 6279875. What is the difference between these? Brickset shows them with different design numbers 2780 and 61332 respectively. If there is a difference, what is it and where were they used in the bulldozer that one was used and not the other?
UPDATE: I checked with a magnifying glass and saw the pins are marked 61332. I could not find any of the 2780's in my set. I see from the parts lists in the manuals of both the 10179 and 75192 Millenium Falcons that they both use the 2780 pins. I checked them and found my 10179 uses the 2780 pins and my 75192 uses the 61332 pins. The 61332 pins have this number marked on them, but the 2780's do not have any markings. Lego may not be making the 2780's anymore and using up a surplus of them, so some sets may have either type despite what the parts list says.
Great review, nice set!
Did I see correctly on the end the track got disonnected? 😀
Thanks! Yeah that’s correct
the tracks will break-off easily
@@leochin9649 only when there's a lot of sand stuck in them. In normal use, they don't break
@@Unbrickme they broke easily when climb small objects
can I move the bulldozer manually? For example, when the hub breaks down…
Hi unbrickme! I wanted to ask you if there was a way to keep the LEGO mindstorms ev3 on 24/7 because I built something that requires that.
There is a battery pack for the EV3 that is placed in the EV3 instead of the batteries. You can plug that battery pack into an AC wall outlet. Then, in the settings of the EV3 you need to make sure that it’s on forever.
@@Unbrickme Is that the rechargeable dc battery pack? I’ve had that bookmarked because I thought that might be a way to have it in all the time but I just wanted to ask you to make sure.
Yeah that will work
@@Unbrickme Ok thanks for the help I appreciate it
umbrick me
Same price as the 42100 Liebherr excavator but having 1 hub and 3 less motors not to mention less pieces. Should have been $299-349 IMO.
i disagree
$350 would be an excelent price.
I got one used for $300 AUD and a liebherr for $250 AUD. Only suckers buy new
@Unbrickme
Will you update the 2021 sets ranked list? If not where will you put the CAT and Ford Raptor?
I’d put the Cat at the very top. The raptor will be one or two places higher than the Ferrari
instead of the ladder, they could have made the ripper entirely functional
i completely agree
5:49 Whoops, the track fell off. Surprised you didn't mention that little mishap.
In normal use that doesn’t happen. There was a lot of small rocks that were in the tracks when that happened
Hi! I am stuck on page 199, the test section. One goes the way that it should on the test, the other goes opposite to the test animation. Please help!
Thank you.
I love your videos, I am a technic beginner and all your videos are amazing!
I have this same set and the right tread keeps making this annoying clicking noise, and when it does click the right side kinda "hops". It got passed down to me from my dad's boss, and my dad's boss got it from his neighbor. I do not know what is wrong with it, and if anyone knows what is wrong with it, please let me know.
Surprisingly, in my country I can buy one from online shop for 339 euros or 305 from private individual. Are those prices good for this?
Nice Video but I think that the 4 motors are perfect for that set because you have more gears than in the liebherr
I totally agree
I’ve got on of the sprockets stuck and I’m on The last bag. Not a fun time
Man that's a good set.. still im stuck on wether i should get 42115 or 42131... interested tho in seeing what improvement modifications of this set gon be made
42131 is definitely a lot more playable. 42115 is primarily a display piece. It does have a complex gearbox, but it only slightly changes the engine speed. It’s more of a “proof of concept” rather than something practical
@@Unbrickme as I've got the 42056 42083 n 42110 all of them with that "pimped up" version by jb70 which made them all better.. 42115 has it too... So basically idk if having the pimped up 42115 or 42131. i hope there gon be something like "pimped up" 42131 too tho
I plan to modify the 42131 to have 7 motors soon
@@Unbrickme with instructions or?
@@sitsia3808 probably
Track snap at 5:48 😂
set is worth the money but i had to buy 2 to make a proper modification. lego did with this what they did with 42009. made it half functional. or barely.
I would buy this set if it was on sale for $300 but I already spent too much on the zetros
I think it will drop to $360 lowest
How long did it take you to build ?
Around 7 hours? I didn’t really time it
At the end your right track snapped, does that happen a lot?
No, only when there’s a lot of sand stuck in the tracks
Ok thanks
5:48 did the track break or just become unsnapped?
Unsnapped
they probably should have reinforced the tracks, it looks like the wider tracks put too much twisting force on the connection under some conditions. I've also seen that the new track pieces just seem somewhat fragile in general.
Does your tracks break easily? Mine always broke apart whenever I use it to climb over obstacles even if I release the tension. I wonder is this normal?
the track broke in this clip at 5:47 so i guess it's a common issue
i will use cat d11' s PDF to build a lego one that i will finish in late 2022
Nice!
I think the only reason that Lego over priced it was because they wanted more money and to continue the tradition of ‘biggest and most expensive set’
Le ripper est ajustable simplement en inversant les deux pièces avec l’arrondi en 2 secondes c est réglé.
do you think i can use it as a snowplow during winter?
I think you can, but you shouldn't because the electronics aren't water resistant
The 2007 bulldozer performed pretty well in the snow, so this one should be 100 times better
@@K3b1bisLtu if the electronics are high enough I think it's good
On real dozers the blad dosent tilt back it tils side to side so that is one part that anoys me about this set real dozers only have one tilt ram on the right side and on the left side is a solid link
Are you serious? On the big dozers they do have 2 cylinders one on each side.... especially d10s and 11s... I was operating a d8 last week actually that had that feature...
It's so when your pushing material up hill you can fill your blade then carry the dirt....
Cut and carry, d11 operator here
A gear box…on a Lego…. Cool
4:00 me too
HOW LONG DID YOU TAKE TO BUILD IT?
A day, maybe 7-8 hours
@@Unbrickme good video
Thanks
👍
The amount of functionality this has from the limited number of motors by using intelligent gearing is impressive. The only issue I have is that the V12 engine block is hidden, making it pointless; would have been betteer with a mesh panel on the side so you can at least see the pistons moving.
Any way to remove the electronics?
Quiet difficult
Did the one track break at the end? 🤦🏼♂️😂
It just unsnapped, didn’t break
Is there any spare parts
Yes
set is very good just not build 1:1 on the inside. i will use the old PF instead of powered up. for more room. the speed of the tracks is too slow.
The speed of the tracks is pretty good in my opinion. It’s faster than the 42100 and many other sets
@@Unbrickme i will try to re work the 42131 and to use old pf L motors. i will use 5. the 5th one is for the impact ripper. my first plan was to rebuild the 42131 WITHOUT ANY motors. but i still have 5 pf l motors and 3 pf battery boxes. it will be larger also. instead of 11 holes wide it will be 15. (the main tractor without the tracks.) this width is in fact for the front - where the v12 engine is.
@@Unbrickme compared to the bruder cat d10 it will be larger.
Blade tilt…
Track broke right at the end.... 5:48
It just unsnapped
Based
Thanks!
Unfortunately, there is a massive problem with the CAT. After a long period of standing still, the front suspension bends, see: the video from Brick-a-brac, in the Thais part he addresses the CAT problem (LEGO® REACTION to the MCLAREN...)
Se ve Muy lento para subir y bajar las cuchillas
Lol the track broke: 5:48
Yep
Are you crazy? 500 dollars into dust and sand o_О
I put the 42100 excavator into actual beach sand
@@Unbrickme I have seen that, so i was shocked too, you mad bro)
why not!?
you can do whatever for your own toy
The Danish Price is 545 dollars 🤯 why? that is very overpriced
Hopefully you can get it cheaper on bricklink
오
You frequently said this model should have blade tilt- a function it already has. We know you meant ripper tilt, but please be careful in future. This is how you confuse people.
My bad! Thanks for pointing that out. I will not make such mistakes in the future
Thank you for the suggestion. Normally, all of my videos are scripted. This one; however, wasn’t. Earlier, I promised to release this review on October 3rd, and I didn’t have much time. So I skipped on writing the script and I just spoke off the top of my head this morning. I have realized that it was a bad decision, and I should have wrote a script and postponed the review until October 4th. My apologies.
this set is build on the opposite on how a real track type tractor actually is. the drive wheels were supposed to be up not down. and ALL those motors should have been shielded and protected from debris. also the power source is splitted into 4. 4 motors using 6 batteries. that is too much.
Bruv it’s lego
first?
1/10 rating for me.... The track broke at the very end
just because of that? This set isn't meant to be used in an outdoor environment, and even outdoors that happens pretty rarely
The biggest con of all: not power functions
Power functions motors does not include an internal rotation sensor so you would have to add a stepper mechanism, and stepper mechanisms can get unreliable over time because they can get out of sync.
Who is dumb enough to give $450 for that???
Me
Just bought it today I happily paid $499
Me too...