Mobile Crane #8421 price

Answered from real closed-sale prices · updated August 29, 2026

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The sold value for the Mobile Crane #8421 LEGO Technic Set is $174.19 used. Currently, sellers are asking around a median of $431.5 on live eBay listings.

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LEGO TechnicMobile Crane #8421$174.19
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LEGO Mobile Crane (8421-1)
TechnicLEGO Mobile Crane (8421-1)—
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Live on eBay right now — Mobile Crane 8421

LEGO 8421 Mobile Crane Technic 2005 New SealedLEGO 8421 Mobile Crane Technic 2005 New Sealed$674.99Buy ↗Lego 8421 Mobile Crane Hard to find [Rare item] Unopened large model From JapanLego 8421 Mobile Crane Hard to find [Rare item] Unopened large model From Japan$999.44Buy ↗Lego Technic 8421 Mobile Crane Construction 100% Complete Set 2005 no Box ReadLego Technic 8421 Mobile Crane Construction 100% Complete Set 2005 no Box Read$431.5Buy ↗LEGO Technic 8421 Mobile Crane Incomplete Missing a Couple PiecesLEGO Technic 8421 Mobile Crane Incomplete Missing a Couple Pieces$175Buy ↗LEGO Technic 8421 Mobile Crane Prebuilt 90% CompleteLEGO Technic 8421 Mobile Crane Prebuilt 90% Complete$150Buy ↗LEGO TECHNIC Mobile Crane (8421) - Tested - With Manual - Read Description LEGO TECHNIC Mobile Crane (8421) - Tested - With Manual - Read Description $225.67Buy ↗
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Values are informational estimates from real sales data. JunkPal may earn a commission when you buy through eBay links, at no extra cost to you.