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LEGO® Technic™

LEGO® Technic™ App-Controlled Cat® D11 Bulldozer

#42131
4.8
Rated 4.8 out of 5 stars
12 Reviews
AU $799.99
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Celebrate a hero of the construction world as you build a replica version of the biggest Cat® dozer with this LEGO® Technic™ App-Controlled Cat® D11 Bulldozer (42131) kit. Please note not available for sale for New Zealand customers.
This large set lets adults enjoy quality ‘me time’ focusing on their passion. Just like the real Cat® bulldozer, this model is built in modular sections. LEGO fans will love the new-for-October-2021 LEGO element – a large track that can be tightened and loosened. And the build is just the start! With many authentic features and functions packed into this model, there’s lots to discover.

Take control of your bulldozer model
Use the CONTROL+ app to operate and explore this heavy-duty machine. Use the app to drive and steer. The app delivers realistic movement as you raise, lower and tilt the blade or raise and lower the ripper and ladder.

Explore engineering
LEGO Technic buildable models feature realistic movement and mechanisms that let LEGO builders explore engineering concepts in an approachable and realistic way.


  • Build a mighty construction vehicle packed with details with this huge LEGO® Technic™ App-Controlled Cat® D11 Bulldozer 42131 model building set for adults.

  • Enjoy a rewarding build, then explore the model’s many features and functions. See the new-for-October-2021 LEGO® track element that gives the bulldozer its realistic movement.

  • Use the CONTROL+ app to operate your bulldozer. Bring the bulldozer model to life as you drive and steer, then raise, lower and tilt the blade or raise and lower the ripper and ladder.

  • Looking for the best gifts for yourself or any fan of Cat® bulldozers and other cool vehicles? This impressive construction vehicle set makes a top gift idea.

  • This Cat® replica measures over 10 in. (26 cm) high, 22 in. (57 cm) long and 14.5 in. (37 cm) wide.

  • Requires 6 x AA batteries (not included). The set also includes 2 x no. 15 motors, 2 x large motors and 1 x hub.

  • This Cat® model is meticulously detailed to replicate the full-sized model with authentic colors and graphics that Cat® enthusiasts will love.

  • The LEGO® Technic™ universe offers advanced buildable models for LEGO fans who are looking for an immersive building challenge.

  • LEGO® Technic™ components are dropped, heated, crushed, twisted and analyzed to make sure they meet strict global safety standards.

4.8
Rated 4.8 out of 5 stars
Based on 12 reviews
Total 5 star reviews: 10 Total 4 star reviews: 1 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
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12 reviews
  • RB
    Renee B.
    Flag of Australia
    I recommend this product
    Rated 5 out of 5 stars
    2 years ago
    1st time build

    I enjoyed this build very much and loved the technical aspect.

  • MW
    Michael W.
    Flag of Australia
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    Cat d11 bulldozer

    Was great to build . Kept me busy . Lot bigger than I thought. Awesome detail

  • DP
    Derek P.
    Flag of Australia
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    Dozer

    Was a great build nice and challenging but easy if you followed the books carefully.

  • JP
    Judy P.
    Flag of Australia
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    Great Build

    My son loves these big builds

  • AW
    Aaron W.
    Flag of Australia
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    Great build

    I am an operator of a d11 and can say that the d11 technic dozer is a very accurate representation of the real life thing. The ripper works, the blade moves up and down and also tilts. The use of a motor for each track gives it the ability to screw like a real dozer. My first technic set and I loved it.