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LEGO® Technic set 42055 – Bucket Wheel Excavator, 2016 Release

This set was one of future prospects and was retired in late 2019. See how our predictions stack against current prices.

2016 LEGO® Technic Bucket Wheel Excavator Set 42055
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©2016 Lego Group

NameBucket Wheel Excavator
Release Year2016
Theme(s)Technic, Vehicles
Set Number42055
Target Age12-16 YO
Number of Pieces3929
Numer of MinifiguresNone

Initial US Price$279.99
Average Current Price$398.18
Highest Recoded Price$615.00
Lowest On-Sale Price$309.50
Number of Sales Recorded20
Total % Return142.21%
ROI Per Year Since Release (CAGR)12.46%
S&P 500 Annual Return Same Period (CAGR)4.02%

Calculation used for CAGR (Compound Annual Growth Rate, Annualized Return):
CAGR = ((Ending Value)/(Starting Value))^(1/ (# of years)) – 1

All prices apply to sets sealed with boxes in excellent condition.

Building Instructions

Follow this link to download or look at the build instructions.

Bucket Wheel Excavator Building Instructions

Additional Information


  • Build the highly detailed 2-in-1 model featuring an array of different motorized functions
  • Includes LEGO Power Functions such as forward and reverse driving, rotating bucket wheel, moving conveyor belt and rotating superstructure
  • The largest LEGO Technic set ever made
  • LEGO Technic building toys are compatible with all LEGO construction sets for creative building
  • Bucket Wheel Excavator measures over 16” high, 28” long and 11” wide. Mobile Aggregate Processing Plant with boom retracted measures over 8” high, 34” long and 8” wide, and over 12” high with boom extended. Mine Truck measures over 3” high, 7” long and 3” wide


©2016 Lego Group
Text from the LEGO site.

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