LEGO Technic - Bucket Wheel Excavator - 42055

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Product Information

Height 48cm
Width 17cm
Depth 58.2cm
Shop By Age 12 + Years
Number of Pieces 3927
Range LEGO Technic
Material Plastic
Minimum Age 12 years
Model Number 42055
Product Type Building Blocks
Type Building Blocks
Weight 5.86kg
Brand LEGO

Why we love this

Experience the huge Bucket Wheel Excavator! Mine on a massive scale with the colossal Bucket Wheel Excavator, including motorised tracks, conveyor belts, bucket wheel and superstructure, plus a rugged mine truck.

Enjoy building and operating this massive 2-in-1 Bucket Wheel Excavator, the largest LEGO Technic set to date! This awesome, meticulously detailed reproduction of a real-life mining excavator comes with a cool dark-blue and yellow colour scheme and an array of authentic features and functions, including hand-railed walkways, huge tracks and a detailed cab. Switch on the included Power Functions motor and you can activate the conveyor belts, rotate the massive superstructure and maneuver the colossal machine into position. Then activate the boom to lower the gigantic, digging bucket wheel and convey the mined material to the waiting mine truck. When you feel like another building challenge, rebuild it into a Mobile Aggregate Processing Plant.

Product Features:

• Features a LEGO Power Functions motor for an array of motorised functions, including forward and reverse driving, rotating bucket wheel, moving conveyor belts and rotating superstructure, plus a working bucket wheel boom.
• Also features hand-railed walkways, lights, mined-material elements and a rugged mine truck.
• Switch on the LEGO Power Functions motor and maneuver the huge tracked structure into position.
• Activate the motorised conveyor belts and bucket wheel.
• Move the joystickto rotate the massive superstructure.
• Raise and lower the huge bucket wheel boom.
• Follow the mined material from the bucket wheel to the moving conveyor belts and all the way to the waiting mine truck!
• This LEGO Technic model is designed to provide an immersive and rewarding building experience.
• This set includes over 3,900 pieces, making it the largest LEGO Technic set to date.
• 2-in-1 model: rebuilds into a Mobile Aggregate Processing Plant.
• This set offers an age-appropria te building experience for ages 11-16.
• Bucket Wheel Excavator measures over 16” (41cm) high, 28” (72cm) long and 11” (29cm) wide.
• Mobile Aggregate Processing Plant with boom retracted measures over 8” (21cm) high, 34” (88cm) long and 8” (21cm) wide, and over 12” (33cm) high with boom extended.
• Mine Truck measures over 3” (10cm) high, 7” (19cm) long and 3” (10cm) wide.

Number of Pieces: 3929

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Our customers say

LEGO Technic - Bucket Wheel Excavator - 42055 is rated 4.6 out of 5 by 62.
Rated 5 out of 5 by from What a set! After spending hours on the internet to find which set should I buy I found 42055 BWE. At first I wasn't impressed with it as there is a small amount of Power Functions here. BUT... don't be decevied, the mechanism you build is very sophisticated and it gives you so much fun! It was my first set in a while and I bought it as a dream come true (when I was young I wanted to have those big sets but always got small ones). As for the build itself; I don't have much experience with Lego Technic but if you carefully build and always check if the gears can move freely you will have no problems with the end result. A must have!
Date published: 2018-01-29
Rated 5 out of 5 by from Good, But not functioning as advertised. It is a great Lego set, but some parts in the bucket wheel system broke the whole system, and I had to remover them. I'm also very upset about the instructions, as some steps were printed wrong. Like step says (Example I made up), place a 1x2 here, and in the picture you see a 2x6, but the next step does not have the new 1x2, it is saying only at that moment to place the 2x6 in whatever position. No photo until I find the page :P . Please reply and say something as then I know that Lego is taking notice of this issue.
Date published: 2018-01-14
Rated 5 out of 5 by from Bucket Wheel Excavator Great model lots of functions, normally I only buy construction models but I`m glad I got this set.
Date published: 2018-01-13
Rated 5 out of 5 by from Great Challenge for any enthusiast I decided to revisit my favourite childhood toy as an adult and decided on this as it represented the biggest challenge (as the biggest ever lego technic product). I was not disappointed. I thoroughly enjoyed the build which took me roughly 20 hours spread over a few days with the instructions as easy to follow as I remember them. There were a few challenging parts to the build and upon completion, I did need to troubleshoot for a few hours due to a movement issue. The tracks moved backwards easily but forward caused some clicking sounds. This turned out to be a loose yellow rood which wasn't quite holding the gears in place that directed the power down through the model. As soon as the gears were secure, the model moved fine. As a toy, I assume it won't be able to excavate my garden but it looks amazing and I can't wait to build the B model.
Date published: 2018-01-08
Rated 5 out of 5 by from Buy two! Based on the sheer amount of parts and the scale of this set, it's incredible value for money. From reading some of the other reviews I can see some are having issues with this set; this is testament to its challenge - it does work, flawlessly, if you take care to test the gear trains and moving parts as you build them. Some of the movement is slow and the bucket wheel itself sits a bit tight in its guides; may need to dismantle and adjust - to my mind the slow movement is needed to shift the sheer weight of this set with the XL motor. Very enjoyable; especially when you're adding things to the sub-assemblies (baffled) just to find out they're there just for the details at the end! Anxious to build the alternative instructions but can't bear to disassemble it, so I suppose I'll have to buy the set again!
Date published: 2017-12-16
Rated 5 out of 5 by from Best set yet Honestly, this is the best Lego set I've ever built. Not only is it huge and complex, but it's also motorized! I've purchased bigger sets (more pieces) than this one, at a higher cost, but this offered MUCH more fun and satisfaction.
Date published: 2017-12-04
Rated 5 out of 5 by from Amazing buildning experience So, my 5 year old son got to choose any model from the lego catalogue, and he ended up selecting the largest of them all. Boys will be boys! He also had a clear idea of how to share the work, daddy builds it, and he gets to play with it! I have not build Lego technic in this scale ever before, and the it was an amazing buildning experience. The set is simply massive and delightfully complex. You have to pay close attention or suffer the consequences - I had once to back track and correct the orientation of a wheel, took some 20 min to correct. Despite being careful with and checking that I did not pinch any moving parts I still have some jerkiness in the conveyer belt, which I have not found how to correct. This is a challenging build, and there are really a lot of pieces!. I was a bit sore in the finger tips once the build was done. I absolutely adore the design with only one motor, it makes for a really intricate gear box, which was challenging to assemble and really well designed. It moves slowly yes, and I regard it as a design feature and by no means a flaw. It does not dig lego pieces well and I would rank the playability as a bit limited. But I am not the one to judge, my son absolutely loves to play with it and credit to the design it handles being played with well, even when Lightning McQueen (junior lego) gets disassembled and travels the buckets. If you enjoy Lego Technic, you need this set.
Date published: 2017-11-25
Rated 5 out of 5 by from BWE 42055 This was the most exciting and challenging build yet and I have completed many Technic sets so far. For sure the actual movement of the final model is slow and I took the advice to build it carefully and slowly to ensure it was working as intended. I am not disappointed with the look of the finished product and it has been the subject of much admiration from the non Lego fans I know!! What I am really interested in now is what this product will be superseded by; I have been trying to find out at my local store and on various forums because although I can build and rebuild many other of my models into their B model variants, I am eager to get the next 'big' challenge Lego will be offering. I know there is the monumental Taj Mahal about to be released, but I really want to stay with Technic if possible.
Date published: 2017-11-23
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