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Cat D11 Bulldozer

Snapshot

vs RRP
+49% over
Per piece
17¢

Value per piece

cost per part at each reference

17¢lowest market value

Reference

MSRP13¢
Used market17¢
New market19¢
Set Retired

Cat D11 Bulldozer

Reference
42131-1
Theme
Technic
Year
2021
Parts
3,854

Cat D11 Bulldozer is a LEGO set from the LEGO Technic theme released in 2021. The set contains 3,854 parts.

New avg$742.59Used avg$672.50MSRP$499.99

Avg. 3rd-party market prices via BrickPicker, not CollectORbuild seller prices

See full valuation & price history →Track its value free →
Value historytracking since Jul 27, 2026

Currently $742.59 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.

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Parts in this set (243)

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A peek at the pile. See the full list, grouped by color, on the parts page.

Sticker Sheet for Set 42131-1Photo shows a different color. This lot is (Not Applicable).1×Brick Round 2 x 2 D. Tube with 45° Elbow and Axle Holes (Crossholes) at Each End [SHORT]2×Brick Round 2 x 2 with Axle Hole24×Brick Round 2 x 2, Pin Holes6×Plate 1 x 11×Plate 1 x 31×Plate 2 x 2 Corner2×Plate 2 x 41×Dish 3 x 3 Inverted [Radar]2×Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)16×Plate Special 1 x 2 with Pin Hole Underneath2×Technic Axle 125×Technic Axle 162×Technic Axle 426×View all 243 →