LEGO Technic - Bucket Wheel Excavator - 42066

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LEGO Technic - Bucket Wheel Excavator - 42066 features in our LEGO Toys collection

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Product Information

Height 48 cm
Width 17 cm
Depth 58.2 cm
Number of Pieces 3927
Range LEGO Technic
Material Plastic
Minimum Age 12 years
Model Number 42055
Product Type Building Blocks
Type Building Blocks
Weight 5.86 kg
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 - 42066 is rated 4.7 out of 5 by 39.
Rated 5 out of 5 by from Welel Well this was almost 12h of fun a bit noisy while working with functions and some bits missing but other then that well worth it
Date published: 2017-02-10
Rated 5 out of 5 by from one big model :-) wow took me 3 days to build this monster lol. i now have technic thumb syndrome putting all these parts together
Date published: 2017-02-02
Rated 5 out of 5 by from This thing is HUGE!! I tossed up between this and the overpriced Porsche (42056). Even after reading some of the reviews about how slow it is, it doesn't work etc. I still choose this bad boy for the sheer size and number of parts and value for money. over 3 nights (11 hours total) this monster was complete. Now I was thinking about the other reviews when it came time to fire this beast up. KAPOW!! It lives, the bucket wheel turns perfectly along with the conveyor belt and it rotates with no issues at all. Yes, it is slow when moving forward or backwards, but so what its HUGE! The finished A model is a beast but is very sturdy. You can carry this thing by holding the top part of the arch. A couple of other things to note: The lower conveyor belt lock slides like +30 to -30 degrees. The control panel has many functions. But the operation is limited. You cannot mix any rotation with linear movement. i.e. The bucket wheel cannot rotate when the excavator is moving forward. Don’t let a few reviews put you off (I didn’t). This monster is a must have for any Technic Fan.
Date published: 2017-02-01
Rated 5 out of 5 by from Bring on more mega builds! I loved this build. Especially bag 6, which is a significant number of parts to create the main excavator arm. My only disappointment was getting to the end of the build- most take too little time, an evening at best, but this model kept going and going. I have enjoyed more technical models, such as more complicated gearboxes, but the sheer size of this set more than made up for it. It was worth reading reviews where people have complained about the model not working. I took extra care with all power train components to ensure smooth, non binding operation and the model works perfectly. I'm not sure if the movement completely to scale, I almost expected it to move slower, but still it gives the real feeling of the colossal machine. It is a rare model when I am sorely tempted to get a second for the B model!
Date published: 2017-01-28
Rated 5 out of 5 by from Massive Build! This set is both the largest in size and in piece count to any set in my current collection. I read the reviews and was a little deterred by all the comments about the motor being too weak but I decided to purchase anyway and see for myself. I'm glad I did! You have to understand one thing about this build - Don't RUSH! The trick to making everything work when you turn the power on is to make sure that once everything is together, and even during the build, that all parts are free moving and don't display a 'bind'; especially around the shovel area(s) and conveyor belt. If you can do that and put it together properly this set is sure to impress!
Date published: 2017-01-27
Rated 5 out of 5 by from Excavator I bought this model as therapy as I have vascular dementia. I found the instructions fairly easy to follow. Shame that the instructions for the alternative build are only on line, as I found them less easy to follow for some reason, and have not started the alternative model yet.
Date published: 2017-01-23
Rated 5 out of 5 by from Big bang for the buck Putting it together was great fun. Hard to get it to work.
Date published: 2017-01-22
Rated 4 out of 5 by from Got this set for Christmas and would defiantly recommend it. Very clever how it all work. I have many sets I have collected over the years and this is my favourite. Only way it could be better if it moved a bit quicker but apart from that I love it
Date published: 2017-01-22
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