How many pieces does the LEGO Cat D11 Bulldozer (42131-1) have?

The LEGO Cat D11 Bulldozer set (42131-1) contains 3854 pieces. It was released in 2021 as part of the LEGO Technic theme.

How can I find missing parts for LEGO set 42131-1?

On BrickMissing you can check which parts from the LEGO Cat D11 Bulldozer (42131-1) you already own. Add your LEGO collection and we'll show exactly which of the 3854 pieces you're missing and which you already have.

Can I build the LEGO Cat D11 Bulldozer with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 3854 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Cat D11 Bulldozer from?

The LEGO Cat D11 Bulldozer (42131-1) belongs to the LEGO Technic theme. You can browse all Technic sets on BrickMissing to find more sets from this theme.

Cat D11 Bulldozer

42131-1 Technic 2021 3854 parts 3% catalog rarity Expert

The LEGO Technic App-Controlled Cat D11 Bulldozer (42131-1), a 3854-piece model from 2021, replicates the Cat D11 dozer. Its construction uses modular sections, mirroring the actual machine's assembly. A new large track element features in the set, designed for adjustable tension. Control of the bulldozer is achieved via the CONTROL+ app. This app facilitates movement, allowing driving, steering, and manipulation of the blade to raise, lower, and tilt it. The ripper and ladder also raise and lower, showcasing realistic engineering functions. This model provides an exploration of construction technology.

Parts Inventory

🧱 3854 parts

Showing the first 12 rows of the parts list (3854 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Light Bluish Gray	1×	€0,12 View at LEGO → View
Red	84×	€0,29 View at LEGO → View
Light Bluish Gray	1×	€0,06 View at LEGO → View
Black	14×	€0,25 View at LEGO → View
Yellow	35×	€0,25 View at LEGO → View
Black	2×	€0,38 View at LEGO → View
Yellow	2×	€0,38 View at LEGO → View
Black	2×	€0,38 View at LEGO → View
Yellow	2×	€0,38 View at LEGO → View
Yellow	4×	Check price → View
Light Bluish Gray	2×	€0,21 View at LEGO → View
Yellow	3×	€0,36 View at LEGO → View

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Catalog rarity

How common are the parts in Cat D11 Bulldozer?

3%Low rarity

more commonless common

7 of 231 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

6.5%

All sets

6.7%

Least common in our catalog

Technic Link Tread 7L Wide · Yellow · only this set in our catalogSticker Sheet for Set 42131-1 · Unknown · only this set in our catalogTechnic Gear Rack 1 x 14 x 2 Housing · Dark Bluish Gray · 2 sets in our catalog

How we calculate this →