#42131Technic2021
LEGO Cat D11 Bulldozer
Set #42131 · 2021 · 3,854 pieces · Epic build
Set Details
- Set Number
- 42131
- Name
- Cat D11 Bulldozer
- Theme
- Technic
- Year
- 2021
- Pieces
- 3,854
- Complexity
- Epic
- Build Time
- 16+ hours
- Ages
- 18+
- Type
- Both play and display
About LEGO Cat D11 Bulldozer
LEGO Cat D11 Bulldozer (set #42131) is one of the larger LEGO sets, requiring dedication and space with 3,854 pieces from the Technic theme, released in 2021. The Technic line features mechanically complex models with gears, axles, and motors. At 3,854 pieces, this is a epic-level build with an estimated build time of 16+ hours, suitable for ages 18+.
Finding Instructions
With 3,854 pieces, set #42131 comes with a thick instruction booklet — often split into multiple numbered bags and build stages. The official PDF is available free on LEGO.com, or use LegoFinder's AI to find it instantly from a photo.
Cat D11 Bulldozer FAQ
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