Biggest Lego Technic Sets – 8 Picks

by Last Updated: Sep 11, 20231,000+ Pieces, 2,000+ Pieces, All Legos, Featured

Lego Technic sets are the perfect way to bring your engineering dreams to life. As there is a wide variety of vehicles to choose from, in this article, I will give you a little sample.

Here is a list of the 7 biggest Lego Technic sets including sport cars, trucks, and heavy machinery – all of which have more than 1,000 pieces. These sets will spark joy in any Lego fan.

1. Lego Technic Liebherr Crawler Crane LR 13000 42146


Lego Technic Liebherr Crawler Crane


This model of Liebherr Crawler Crane is over 39 in. (100cm) high, making it one of the largest in the LEGO technic range and the number of pieces, which is 2,883, is impressive as well. Adult Lego fans, who are also interested in building and engineering, would love its realistic features including the tank steering, the turntable that can be easily rotated, luffing jib, winch, and load sensing. This is accompanied by 24 weight elements providing over 2lb (0.9kg) of counterweight. When you want to play with this crane, you need to download the CONTROL+app and buy 12x LR AA batteries to power its 6 large motors.

Dimensions: over 39 in. (100cm) high, 43 in. (110cm) long and 11 in. (28cm) wide

2. Lego Technic Liebherr R 9800 Excavator V29 42100


Biggest Lego Technic Set Ever


This Lego Excavator is a unique and fun set from the Lego Technic range. The set consists of 4,108 pieces, making it the largest and most complex Lego Technic set ever released. It features a detailed replica of a real-life Liebherr R 9800 Excavator. With this set, your kids can easily learn the basics of mechanical engineering and still have a lot of fun while building it. The set is aimed primarily for older children (12+) and adults, but younger children may also enjoy playing with the excavator once it is constructed. With its intricate design, usage of advanced technologies (app-operated), versatile building techniques (it is compatible with other Lego Technic sets) and durable construction, this Lego Excavator is sure to provide hours of entertainment.

Dimensions: over 15 in. (39cm) high, 25 in. (65cm) long and 10 in. (27cm) wide

2. Lego Technic App-Controlled Cat® D11 Bulldozer 42131


Big Lego Technic Set - Bulldozer


Are you looking for a LEGO Technic building set that will spark your creativity and engage your inner builder? The 3,854-piece LEGO Bulldozer is an ideal choice for adults (17+). This set combines an impeccable style with precise details and amazing functionality. It has a fully working steering and drive system, so that its movements are very realistic. You can also control the system with an app (like the previous one), which enables you to monitor any movement of the bulldozer directly from your smartphone or tablet.

Dimensions: over 10 in. (26 cm) high, 22 in. (57 cm) long and 14.5 in. (37 cm) wide

3. Lego Technic Ferrari Daytona SP3 42143


Lego Technic Ferrari Daytona SP3


The Lego Technic range also offers very sophisticated models of fast cars. This replica of Ferrari Daytona is one of them. The set includes 3,778 pieces, making it a challenging build for even the most experienced Lego builder. It has very accurate and authentic details as well as elaborate features, including V12 engine, 8-speed gearbox, butterfly doors, removable roof and other. The set is a nice design piece to display at home and would make a great gift to any adult Lego and fast cars lover.

Dimensions: over 5.5 in. (14 cm) high, 23 in. (59 cm) long and 9.5 in. (25 cm) wide

4. Lego Technic Lamborghini Sian FKP 37 42115


Lego Technic Lamborghini Sian


Do you not like Ferrari? And what about Lamborghini? Again, the attention to detail is incredible. The set is made up of 3,696 pieces, including all the elements such as engine, gearbox, scissor doors, realistic bodywork and interior design. The building process itself must be a rewarding experience and the finished model is also ready to be proudly displayed. In particular, I find this one a perfect set that any adult Lego enthusiast should consider.

5. Lego Technic BMW M 1000 RR 42130


Big Lego Technic BMW Motorbike Set


This is another life-like model from the Lego Technic. It represents the legendary BMW M 1000 RR motorcycle in 1:5 scale. The set has a total of 1,900 pieces so it belongs to smaller ones on this list. Nevertheless, it is still very complex and detail-oriented including a 3-speed gearbox, suspension, and a realistic engine. The precise construct, aimed at more advanced adult builders, gives them a great opportunity to learn about the structure and inner workings of a motorcycle. The set also includes a variety of stickers to add to the details of the motorcycle. This allows you to customize its look.

Dimensions: over 10.6 in. (27 cm) high, 18 in. (45.5 cm) long and 6 in. (17 cm) wide

6. Lego Technic Heavy-duty Tow Truck 42128


Big Lego Technic Truck Set


If you know a teenager that loves engineering, please pay more attention now, as I want to present you this LEGO Technic Heavy-Duty Tow Truck! It has over 2,000 pieces and is suitable for children (11+), but adults too will find it an incredibly engaging building experience. The features, I would like to highlight, are its mechanical functions (powerful winch, rotating crane, outriggers), several lifting functions, including the lifting axle that pulls spare wheels for uneven loads, and special design touches such as a realistic grille, air filters and vibrant colors. The set comes with an easy-to-follow booklet providing a great way to introduce children to the world of engineering and construction. So, make some quality time with your kids or friends and spend an afternoon building and creating.

Dimensions: over 8.5 in. (22 cm) high, 23 in. (58 cm) long and 5.5 in. (14 cm) wide

7. Lego Technic McLaren Formula 1 Race Car 42141


Lego Technic McLaren Formula 1


For F1 lovers, I would like to point out this replica of a real McLaren Formula 1 race car (unless you are a fan of another team 😉). The model was designed in collaboration with the McLaren Racing and includes a detailed six-cylinder engine, working steering, fully functioning suspension, and differential. It is designed for adults, as it contains more advanced features, and therefore calls for experienced and skilled builders. The kit has 1,432 pieces, which makes it the smallest set on this list, but still definitely worth considering.

Dimensions: over 5 in. (13 cm) high, 25.5 in. (65 cm) long and 10.5 in. (27 cm) wide

Bonus: Lego Technic Bucket Wheel Excavator 42055


Lego Technic Bucket Wheel Excavator


Lego Technic Bucket Wheel Excavator was released in 2016 and is both a model and a building set. It contains over 3,900 pieces making it one of the largest Technic sets. The Excavator is equipped with a number of realistic features such as a motorized conveyor belt, adjustable boom arm, and a rotating bucket wheel. It can move both forwards and backwards. By assembling the model, you will get an idea of how a real excavator with a bucket wheel is constructed and operated. The recommended age of the set is for children 12+ and it is sure to make an amazing gift for anyone who enjoys building and playing with a model excavator.


Whether you are a fan of cars, trucks, or heavy machinery, these 8 biggest LEGO Technic sets have something for everyone. Each set is sure to provide hours of fun and challenge, and you will love being able to create these impressive vehicles. And of course, I will not forget to mention my personal picks. In this case (as you might have already guessed) it would be a Lamborghini Sián because I like fast cars. But I also like the Cat D11 Bulldozer, because when I was a kid, I was fascinated by excavators.


Author: Andrej

Lego enthusiast, big Lego Technic fan. I have been blogging about Lego since 2017, when I started this blog. When I’m not writing an article for this blog or building a Lego set, I’m probably riding my bike. You can find out more about me here.

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