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Liebherr LG 1750
Almost 2 meters tall lattice crane built in minifig scale.
About this creation
Long time ago, I was thinking (well, dreaming could be a better word) about making large minifig scale lattice-tower mobile crane. It took me a lot of time to gather specialized parts for it, especially lattice modules used only in 7632 set.

Of course, it couldn't be possbile to make that type of crane before gaining some experience by making smaller cranes. My first crane was small, six axle crane loosely based on Liebherr LTM 1200. It all started with it, because its steered/suspended axles were used succesfully in all my mobile cranes.

LTM 1250
LTM 1300
LTM 1500
LTM 11200

I proudly present my biggest crane so far, Liebherr LG 1750 lattice-tower mobile crane built in minifig scale.




As you can see, the carrier looks like massive outriggers with attached wheels. It looks that because slewing crane platform, boom and jib systems are shared with the LR 1750 crawler crane and the only way to provide similiar stability to crawler chassis was to make "four extremely rigid, folding arms".
It has eight axles suspended pendulary, six of them are steered.










The recipe for a crane:
Take a carrier, add slewing platform, that is fitted with three motorized winches.








Those winches are powered from single rechargeable battery box and steered by three PF switches.



Derrick:










Suspended ballast tray:










Main counterweight trays:









Add all available ballast and mount it on the carrrier:












Luffing jib:









Back mast:











Main boom:










The last step requires adding some links and dozen meters of rope:










The result is almost 2 meters tall crane:
















Thanks for watching :)




Comments

 I like it 
  December 20, 2012
Hi Marek, I am Markus from Germany. Can you show me how you built the steering of LG 1750?
 I like it 
  May 10, 2012
it s very impressive! power functions and technical acheivement, and it looks real good too! congratulation!
 I like it 
  March 1, 2012
Wow, this is awesome! It's definitely one of the best cranes on MOCpages. Great design + great funtions = Great job! :-))
 I like it 
  November 28, 2011
Cool crane! :D
 I like it 
  May 11, 2011
Thats one big crane! Really good job on it, its a total beast!
 I like it 
  May 10, 2011
i have many words to say many i can not say on here. but i saw thic on the internet once it is a prime example of what lego can do. one question where do you get all the bricks
  April 11, 2011
Ah Marek, Marek Your cranes are a wonder to behold!! once again you have surpassed yourself your LG1750 is perfect!! I look forward to your next Crane? would love to see you build a liebherr 11200 crawler crane!!
 I like it 
  February 17, 2011
Wow, Marek, nice job! That sucka is huge!
 I like it 
  February 14, 2011
Fantastic Build!
 I like it 
  February 14, 2011
Incredible! The picture with it all set up just shows it really is the best crane I've ever seen.
 I like it 
  February 14, 2011
WOW thats the best lego crane i ever have seen in my life love it:D
 I like it 
  February 14, 2011
Super nice!!!!! I might start building cranes again.....
 I like it 
  February 14, 2011
Excellent and very well done construction. It even looks good too! Congratulations on this achievement!
 I like it 
  February 14, 2011
Amazing!
 I like it 
  February 14, 2011
Your creations allways amaze me. I Like this a lot !!
 I like it 
  February 14, 2011
You are insance!
 I like it 
  February 14, 2011
i had to laugh when i saw the last picture. i was so amazed how big it is, i didn't expect that. 5/5
 I like it 
  February 13, 2011
That is A LOT of steered wheels.
 I like it 
  February 13, 2011
This is the best lego crane I have ever seen. I can't beleive it has all that functionality without any sacrifice in looks. This is fantastic work.
 I like it 
  February 13, 2011
I almost forgot I was looking at LEGO. If that doesn't indicate you did something right I don't know what does. Only wish I could rate higher.
 I like it 
  February 13, 2011
Very impressive!
 I like it 
  February 13, 2011
Wow, not only is the construction smooth and neatly done, but it's so functional aswell!
 I like it 
  February 13, 2011
Incredible! I am always stunned! I see the first picture and I think "Very nice scale recreation, lots of detail, nice truck", then I scroll down and see all the rigging and I think "OMG!", then I scroll further and see that you motorised it too, and I am lost for words! Not just that but you have scale drawings, realistic decals, a well crafted video and a professional MOCPages gallery for it. All of that takes huge amounts of time to pull off and I am severely impressed! Thanks for sharing.
 I made it 
  February 13, 2011
Quoting James Kontoules Amazing! I can't even put into words how great it is. Do you know what the weight limit is with the boom up? I'm very impressed that it can lift the feller. I would love to see this in a convoy with trucks carrying the different parts of the crane. This is definitely my favorite of all your creations!
Thank you :) The lifting capacity depends on mass of suspended ballast.
 I like it 
  February 13, 2011
Amazing! I can't even put into words how great it is. Do you know what the weight limit is with the boom up? I'm very impressed that it can lift the feller. I would love to see this in a convoy with trucks carrying the different parts of the crane. This is definitely my favorite of all your creations!
 
By Marek Markiewicz
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Added February 13, 2011
 


LEGO models my own creation MOCpages toys shop Liebherr LG 1750Vehicles


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