Heavy Duty Excavator

42121-1·LEGO·2021·116 parts

Used Avg

$38.62

New Avg

$83.28

About Heavy Duty Excavator

Heavy Duty Excavator (42121-1) is a LEGO LEGO set from 2021 valued at $38.62 on BrickLink. It contains 116 cataloged parts. This set has been retired and is only available on the secondary market.

Seller notes

Sealed copies sell for $83.28 vs $38.62 used, a 116% premium. If you have this set new in sealed box (NISB), price it accordingly.

Parts (116)

Technic, Gear 8 Tooth with Dual Face

×6

Technic, Axle 1L with Pin 2L with Friction Ridges

×7

Slope, Curved 2 x 1 x 2/3

Technic, Liftarm Thin 1 x 5 - Axle Holes

×2

Technic, Panel Fairing #22 Very Small Smooth, Side A

Common questions about Heavy Duty Excavator

How much is LEGO Heavy Duty Excavator (42121-1) worth?

Heavy Duty Excavator sells for an average of $38.62 used and $83.28 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness. Missing minifigures or key parts will lower the value.

Is LEGO Heavy Duty Excavator (42121-1) retired?

Yes, Heavy Duty Excavator was released in 2021 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.

How do I check if my Heavy Duty Excavator set is complete?

Use the parts list on this page to check every piece. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.