Mobile Crane

Mobile Crane (8421-1) is a set in the Technic theme, released in 2005. It has 1,885 pieces.

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Number:8421-1
Released:June 2005
Pieces:1,885
Box size:65.2 × 48 × 9.6 cm
Box weight:3.56 kg
Theme:Technic

Box size and weight as measured by Brickset.

In numbers

LEGO planned to retire this set in December 2007.

Product details

Number: 8421-1
Name: Mobile Crane
Theme: Technic
Released: June 2005
Launched: June 2005
Retired: December 2007
Pieces: 1,885
RRP: ≈ 205.96 USD (800.00 PLN) (PL)≈ 120.60 USD (89.99 GBP) (United Kingdom)
Price per piece: ≈ 0.109 USD (0.424 PLN) (PL)≈ 0.064 USD (0.048 GBP) (United Kingdom)

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

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Pricing

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Price history

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Price statistics by condition

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Sources Data in Brief: 18

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Data in Brief Sealed · gross · sold 3/1/2023

0.00 PLN

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Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

PL ≈ 205.96 USD (800.00 PLN) gross No availability dates published.Recorded by BrickDb since 10/21/2026

United Kingdom ≈ 120.60 USD (89.99 GBP) gross Available 10/24/2007 to 12/4/2007.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

212 inventory lines

Catalogue image of the part String with End Studs 31L Overall

String with End Studs 31L Overall 14226c31· Black

×2

Catalogue image of the part String Cord Medium Thickness 250cm

String Cord Medium Thickness 250cm 14728c250· Black

×1

Catalogue image of the part Plate 2 x 2 Corner

Plate 2 x 2 Corner 2420· Yellow

×2

Catalogue image of the part Tile 1 x 4 with Groove

Tile 1 x 4 with Groove 2431· Black

×1

Tile 1 x 4 with Groove 2431· Yellow

×2

Catalogue image of the part Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs]

Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] 2444· Black

×2

Brick 2 x 6 2456· Yellow

×4

Catalogue image of the part Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654· Black

×3

Catalogue image of the part Technic Slope Long 1 x 6 with 3 Pin Holes

Technic Slope Long 1 x 6 with 3 Pin Holes 2744· Yellow

×6

Catalogue image of the part Technic Pin with Friction Ridges Lengthwise and Center Slots

Technic Pin with Friction Ridges Lengthwise and Center Slots 2780· Black

×234

Catalogue image of the part Pneumatic Pump New Style with Black Top

Pneumatic Pump New Style with Black Top 2797c02· Yellow

×1

Catalogue image of the part Plate Special 2 x 2 with 2 Pin Holes

Plate Special 2 x 2 with 2 Pin Holes 2817· Yellow

×1

Catalogue image of the part Technic Steering Wheel Small (3 Studs Diameter)

Technic Steering Wheel Small (3 Studs Diameter) 2819· Light Bluish Gray

×1

Catalogue image of the part Battery Box, 9V 4 x 14 x 4 with Dark Bluish Gray Base [Complete Assembly]

Battery Box, 9V 4 x 14 x 4 with Dark Bluish Gray Base [Complete Assembly] 2847c03· Yellow

×1

Catalogue image of the part Technic Engine Cylinder with Side Slots

Technic Engine Cylinder with Side Slots 2850a· Light Bluish Gray

×6

Catalogue image of the part Technic Engine Piston Round

Technic Engine Piston Round 2851· Yellow

×6

Same theme, piece count within 15 %

Similar sets

Mobile Crane

In numbers

Product details

BrickLink market data

Can I build this?

Pricing

Price history

Latest price from each shop

On eBay

Recommended retail price

Building instructions

Parts in this set

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