TECHNIC is one of The LEGO Company's main lines based on creating detailed model machines and mechanical toys with specialized beams, axles, gears and connectors and primarily designed for older children and adults. The theme was first introduced as the Expert Builder series in 1977, but was officially renamed as TECHNIC in 1984. TECHNIC is still an active theme, and is one of the longest running themes in LEGO history. Here are the larget LEGO TECHNIC sets by piece count of all time.
Most valuable set
42113 Bell-Boeing V-22 Osprey $1,187.25
Most valuable retail set
8458 Silver Champion $1,164.61
Largest set
42100 Liebherr R 9800 4,108 pieces
Most owned set
42083 Bugatti Chiron

42100 Liebherr R 9800

Theme Technic
Year 2019
Pieces 4,108
Availability Retired
The set model is based on the Liebherr R 9800, a mining excavator and the biggest hydraulic excavator in the world and was developed in partnership with Liebherr-Mining Equipment Colmar SAS in France.
42100 LEGO Technic Liebherr R 9800
Retail $449.99
Value $913.52
Growth  +103.0%
Annual growth 12.9%

42232 Koenigsegg Sadair's Spear Megacar

Theme / Subtheme Technic / Licensed
Year 2026
Pieces 4,104
Availability Pending release
It features a detailed Koenigsegg megacar model with rear clam opening to activate ghost mode, functional steering, 9-speed transmission, V8 piston engine, triplex front and rear suspension, opening doors and hood, air intakes, and folding side mirrors.
42232 LEGO Technic Koenigsegg Sadair's Spear Megacar
Retail $449.99
Not yet released
Available July

42082 Rough Terrain Crane

Theme Technic
Year 2018
Pieces 4,057
Availability Retired
It features a motorized crane with Power Functions for operating stabilizer legs, rotating the superstructure, lifting winch, and extendable boom. Manual functions include 4-wheel steering and drive.
42082 LEGO Technic Rough Terrain Crane
Retail $299.99
Value $386.56
Growth  +28.9%
Annual growth 3.3%

42055 Bucket Wheel Excavator

Theme Technic
Year 2016
Pieces 3,927
Availability Retired
The also set allows you to choose between two sets of directions, building either the Bucket Wheel Excavator or the Mobile Aggregate Processing Plant.
42055 LEGO Technic Bucket Wheel Excavator
Retail $279.99
Value $692.06
Growth  +147.2%
Annual growth 11.5%

42172 McLaren P1

Theme / Subtheme Technic / Licensed
Year 2024
Pieces 3,893
Availability Retail
It features a 1:8 scale supercar model with a 7-speed gearbox, shifter drum, suspension, V8 piston engine, adjustable rear wing, and butterfly-style opening doors.
42172 LEGO Technic McLaren P1
Retail $449.99
Available at retail

42131 Cat D11 Bulldozer

Theme Technic
Year 2021
Pieces 3,854
Availability Retired
It consists of an app-controlled replica of the Cat D11 Bulldozer with modular sections, large tracks, and authentic functions like blade and ripper movement.
42131 LEGO Technic Cat D11 Bulldozer
Retail $499.99
Value $893.00
Growth  +78.6%
Annual growth 17.5%

42143 Ferrari Daytona SP3

Theme Technic
Year 2022
Pieces 3,778
Availability Limited retail (Retiring soon)
It is the fourth addition to the LEGO Technic Ultimate Car Concept series and a 1:8 scale model of the V12 Ferrari Daytona SP3.
42143 LEGO Technic Ferrari Daytona SP3
Retail $449.99
Available at retail
Retiring soon

42115 Lamborghini Sián FKP 37

Theme / Subtheme Technic / Licensed
Year 2020
Pieces 3,696
Availability Retired
It features a detailed model of the Lamborghini Sián FKP 37 with an 8-speed transmission, V12 engine with moving pistons, 4-wheel drive, and scissor opening doors. Includes a luxury box and a coffee-table-quality book.
42115 LEGO Technic Lamborghini Sián FKP 37
Retail $449.99
Value $449.98

42083 Bugatti Chiron

Theme Technic
Year 2018
Pieces 3,599
Availability Retired
It features a 1:8 scale model of the Bugatti Chiron with aerodynamic bodywork, active rear wing, 8-speed gearbox, steering wheel, W16 engine with moving pistons, and Bugatti duo-tone blue color scheme.
42083 LEGO Technic Bugatti Chiron
Retail $349.99
Value $418.60
Growth  +19.6%
Annual growth 5.1%

42177 Mercedes-Benz G 500

Theme / Subtheme Technic / Licensed
Year 2024
Pieces 2,891
Availability Retail
It features a detailed model of the Mercedes-Benz G 500 with working steering, raised suspension, and a 6-cylinder in-line piston engine under the hood.
42177 LEGO Technic Mercedes-Benz G 500
Retail $249.99
Available at retail

42146 Liebherr LR13000

Theme / Subtheme Technic / Licensed
Year 2023
Pieces 2,883
Availability Retired
The model features realistic movement with tank steering, rotating turntable, luffing jib, and winch, controlled via the CONTROL+ app, standing over 38 inches high.
42146 LEGO Technic Liebherr LR13000
Retail $699.99
Value $735.80
Growth  +5.1%

42043 Mercedes-Benz Arocs 3245

Theme Technic
Year 2015
Pieces 2,793
Availability Retired
It features a Mercedes-Benz Arocs 3245 model with a Power Functions large motor, advanced pneumatic system, versatile crane arm mechanism, grabber, extendable outriggers, and a raisable tipper body. Also includes twin axle steering and double differential drive.
42043 LEGO Technic Mercedes-Benz Arocs 3245
Retail $229.99
Value $422.88
Growth  +83.9%
Annual growth 4.4%

42056 Porsche 911 GT3 RS

Theme Technic
Year 2016
Pieces 2,704
Availability Retired
The Lego Technic Porsche 911 GT3 RS kit comes in an impressive 578-page long manual with a total of 856 steps in the instructions.
42056 LEGO Technic Porsche 911 GT3 RS
Retail $299.99
Value $929.27
Growth  +209.8%
Annual growth 17.2%

42009 Mobile Crane MK II

Theme Technic
Year 2013
Pieces 2,606
Availability Retired
It features an 8-wheel drive with 5 axles, a rotating superstructure, and a motorized crane arm that extends up to 77 cm. This 2 models in 1 rebuilds into a container stacker and truck.
42009 LEGO Technic Mobile Crane MK II
Retail $219.99
Value $447.60
Growth  +103.5%
Annual growth 6.0%

42078 Mack Anthem

Theme Technic
Year 2018
Pieces 2,595
Availability Retired
It consists of a Mack Anthem truck with front-axle steering, rear wheel drive, a 6-cylinder straight engine with working pistons, and a spinning radiator fan, along with a detachable trailer featuring extendable outriggers, landing legs, and synchronized crane arms.
42078 LEGO Technic Mack Anthem
Retail $179.99
Value $396.93
Growth  +120.5%
Annual growth 7.8%

42110 Land Rover Defender

Theme Technic
Year 2019
Pieces 2,573
Availability Retired
It was developed with Land Rover, and includes authentic bodywork and realistic functions including an in-line six-cylinder engine, gearbox with high and low ratios, independent suspension.
42110 LEGO Technic Land Rover Defender
Retail $199.99
Value $250.00
Growth  +25.0%
Annual growth 7.3%

42098 Car Transporter

Theme Technic
Year 2019
Pieces 2,493
Availability Retired
It builds a large vehicle transporter with raising and lowering car decks, a rear ramp, and vehicle locking mechanisms for loading and securing cars.
42098 LEGO Technic Car Transporter
Retail $179.99
Value $395.58
Growth  +119.8%
Annual growth 12.0%

42069 Extreme Adventure

Theme Technic
Year 2017
Pieces 2,382
Availability Retired
It features an Extreme Adventure vehicle with 4 high-grip tracks, working suspension, upswing doors, raisable roof tent, winch, front steering, V8 engine, lockable tailgate, sliding storage drawer, side compartment with a first aid kit, and 2 fire extinguishers.
42069 LEGO Technic Extreme Adventure
Retail $179.99
Value $239.66
Growth  +33.2%
Annual growth 2.4%

42215 Volvo EC500 Hybrid Excavator

Theme / Subtheme Technic / Licensed
Year 2025
Pieces 2,359
Availability Retail
It features a motorized Volvo EC500 Hybrid Excavator construction vehicle with a lever-operated gearbox for four functions, moving boom and arm, LEGO hammer and shovel tools, opening cabin doors, moving tracks, and a rotating body.
42215 LEGO Technic Volvo EC500 Hybrid Excavator
Retail $429.99
Available at retail

42175 Volvo FMX Truck & EC230 Electric Excavator

Theme / Subtheme Technic / Licensed
Year 2024
Pieces 2,274
Availability Retail
It consists of a Volvo FMX Truck with a moving piston engine, a flatbed trailer, an EC230 Electric Excavator, and a charging station for immersive building.
42175 LEGO Technic Volvo FMX Truck & EC230 Electric Excavator
Retail $199.99
Available at retail
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