LEGO 8421
Mobile Crane

LEGO 8421 Mobile Crane box image
Set number
8421
Theme
Technic
Pieces
1,885 pcs
Year
2005
Lowest new price¥181,400〜Used avg¥30,165as of 7/30
Used & parts
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“Mobile Crane” is LEGO® “Technic” theme set number 8421. Released in 2005, it has 1,885 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 201 types

Color split (most first)
Black×660
Light Bluish Gray×573
Yellow×327
Dark Bluish Gray×135
Blue×132
Red×38
Trans-Neon Orange×7
Trans-Clear×6
Tan×2
Trans-Red×2
White×2
[No Color/Any Color]×1
Main parts (most used first)
2780 Technic Pin with Friction Ridges Lengthwise and Center Slots
Black · ×234
6558 Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
Black · ×158
43093 Technic Axle Pin with Friction Ridges Lengthwise
Blue · ×106
4519 Technic Axle 3
Light Bluish Gray · ×55
3713 Technic Bush
Light Bluish Gray · ×52
32073 Technic Axle 5
Light Bluish Gray · ×40
3705 Technic Axle 4
Black · ×34
6536 Technic Axle and Pin Connector Perpendicular
Yellow · ×34
32140 Technic Beam 2 x 4 L-Shape Thick
Dark Bluish Gray · ×32
32123b Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Light Bluish Gray · ×30
44294 Technic Axle 7
Light Bluish Gray · ×30
32054 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Yellow · ×29
32524 Technic Beam 1 x 7 Thick
Light Bluish Gray · ×29
32184 Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole
Black · ×28
6538b Technic Axle Connector Ridged [with x Hole x Orientation]
Light Bluish Gray · ×27
32062 Technic Axle 2 Notched
Red · ×24
32316 Technic Beam 1 x 5 Thick
Light Bluish Gray · ×24
4274 Technic Pin 1/2
Light Bluish Gray · ×20
32278 Technic Beam 1 x 15 Thick
Light Bluish Gray · ×19
42003 Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes
Light Bluish Gray · ×19
32316 Technic Beam 1 x 5 Thick
Yellow · ×18
6536 Technic Axle and Pin Connector Perpendicular
Light Bluish Gray · ×18
32054 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Light Bluish Gray · ×17
32449 Technic Beam 1 x 4 Thin
Light Bluish Gray · ×17

More “Technic” theme sets

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