Excavator (8851): parts list and STL files

Set 8851, Excavator, from 1984, has 362 pieces in 73 kinds of part and colour. Here is every part, with the ones you can 3D print at home and the ones to buy.

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Free: an STL file for every part you can print, the parts list and a BrickLink shopping list for the rest. Pro adds print-ready plates for a 256 mm bed and our printing guide. About ProYour Pro includes the print-ready plates.

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Excavator, built (3D picture) — What it looks like built. A 3D picture, not a photo, made from the LDraw model by Philippe Hurbain (CC BY 2.0).

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333to print

29to buy

5spares

73kinds

333 to print, 29 to buy, 5 spares. Print: plain bricks, plates and beams you can make on a home 3D printer. Buy: clear, printed, rubber, electric and very thin parts, which are better ordered. Spares are the extras in the box.

Every part in set 8851

Parts in set 8851, Excavator
Colour	Part	Qty	Print or buy
Black	3873 Link Tread	110	Print
Black	4459 Pin with Friction Ridges Lengthwise, without Center Slots	41	Print
Light Gray	3713 Bush	15	Print
Red	3023 Plate 1 x 2	10	Print
Red	3710 Plate 1 x 4	10	Print
Light Gray	4265a Bush 1/2 Toothed Type I [+ Opening]	10	Print
Light Gray	3749 Axle Pin without Friction Ridges Lengthwise	8	Print
Black	3700 Brick 1 x 2 [1 Pin Hole]	6	Print
Red	3701 Brick 1 x 4 [3 Pin Holes]	6	Print
Red	3703 Brick 1 x 16 [15 Pin Holes]	6	Print
Light Gray	3703 Brick 1 x 16 [15 Pin Holes]	6	Print
Black	3705 Axle 4	6	Print
Light Gray	4263 Plate 1 x 4 with Toothed Ends	6	Print
Red	3021 Plate 2 x 3	4	Print
Black	3023 Plate 1 x 2	4	Print
Light Gray	3649 Gear 40 Tooth	4	Print
Light Gray	3673 Pin without Friction Ridges Lengthwise	4	Print
Black	3701 Brick 1 x 4 [3 Pin Holes]	4	Print
Black	3706 Axle 6	4	Print
Light Gray	3894 Brick 1 x 6 [5 Pin Holes]	4	Print
Light Gray	3895 Brick 1 x 12 [11 Pin Holes]	4	Print
Light Gray	4019 Gear 16 Tooth with Round Holes [Old Style]	4	Print
Light Gray	4698 Axle Nut	4	Print
Red	3020 Plate 2 x 4	3	Print
Red	3700 Brick 1 x 2 [1 Pin Hole]	3	Print
Black	3709 Plate 2 x 4 [3 Holes]	3	Print
Red	3001 Brick 2 x 4	2	Print
Red	3006 Brick 2 x 10	2	Print
Red	3034 Plate 2 x 8	2	Print
Black	3034 Plate 2 x 8	2	Print
Red	3460 Plate 1 x 8	2	Print
Red	3666 Plate 1 x 6	2	Print
Red	3702 Brick 1 x 8 [7 Pin Holes]	2	Print
Black	3702 Brick 1 x 8 [7 Pin Holes]	2	Print
Black	3703 Brick 1 x 16 [15 Pin Holes]	2	Print
Black	3707 Axle 8	2	Print
Black	3738 Plate 2 x 8 [7 Holes]	2	Print
Red	3738 Plate 2 x 8 [7 Holes]	2	Print
Red	3795 Plate 2 x 6	2	Print
Black	3795 Plate 2 x 6	2	Print
Black	3894 Brick 1 x 6 [5 Pin Holes]	2	Print
Red	3895 Brick 1 x 12 [11 Pin Holes]	2	Print
Red	3002 Brick 2 x 3	1	Print
Light Gray	3020 Plate 2 x 4	1	Print
Light Gray	3031 Plate 4 x 4	1	Print
Red	3032 Plate 4 x 6	1	Print
Black	3403c01 Turntable 4 x 4 Square Base with Top, Complete Assembly	1	Print
Red	3456 Plate 6 x 14	1	Print
Light Gray	3666 Plate 1 x 6	1	Print
Light Gray	3700 Brick 1 x 2 [1 Pin Hole]	1	Print
Red	3709 Plate 2 x 4 [3 Holes]	1	Print
Black	3737 Axle 10	1	Print
Red	3832 Plate 2 x 10	1	Print
Yellow	4700 Digger Bucket 8 x 6	1	Print
Light Gray	3673 Pin without Friction Ridges Lengthwise	1 spare	Print
Light Gray	3713 Bush	1 spare	Print
Light Gray	3749 Axle Pin without Friction Ridges Lengthwise	1 spare	Print
Light Gray	4265a Bush 1/2 Toothed Type I [+ Opening]	1 spare	Print
Light Gray	5102c05 Hose, Pneumatic 4mm D. 5L / 4cm	7	Buy
Light Gray	4697a Pneumatic T-Piece (T Bar) [Old Style]	4	Buy
Yellow	4688c01 Pneumatic Cylinder with 1 Inlet Medium (48mm)	3	Buy
Light Gray	75215 Pneumatic Switch with Top Studs	3	Buy
Light Gray	5102c10 Hose, Pneumatic 4mm D. 10L / 8cm	2	Buy
Black	70012 Rubber Band Medium (Square Cross Section) Thin Cut	2	Buy
Black	3737b Axle 10 Threaded	1	Buy
Light Gray	4692c01 Pneumatic Distribution Block 2 x 4 [Complete Assembly]	1	Buy
Red	4701c01 Pneumatic Pump Old Style	1	Buy
Black	5102c05 Hose, Pneumatic 4mm D. 5L / 4cm	1	Buy
Light Gray	5102c07.5 Hose, Pneumatic 4mm D. 7.5L / 6cm	1	Buy
Black	5102c15 Hose, Pneumatic 4mm D. 15L / 12cm	1	Buy
Black	5102c30 Hose, Pneumatic 4mm D. 30L / 24.0cm	1	Buy
Black	5102c50 Hose, Pneumatic 4mm D. 50L / 400mm	1	Buy
Light Gray	4697a Pneumatic T-Piece (T Bar) [Old Style]	1 spare	Buy

Print set 8851 at home

The set tool makes an STL file for each of the 333 printable pieces, sorted by colour, plus a shopping list for the 29 to buy. Free, no account, and it runs on your own phone or computer.

Get the free print files

Pro adds print-ready plates for a 256 mm bed. About Pro

Parts data: Rebrickable, and it can differ slightly from your box. Part shapes: LDraw Parts Library (CC BY 4.0). Browse all sets. Independent project, not sponsored, authorised or endorsed by any brick company.