Mobile Crane (42108): parts list and STL files

Set 42108, Mobile Crane, from 2020, has 1,292 pieces in 157 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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Mobile Crane, built (3D picture) — What it looks like built. A 3D picture, not a photo, made from the LDraw model by Max Martin Richter (CC BY 2.0).

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1,238to print

54to buy

12spares

157kinds

1,238 to print, 54 to buy, 12 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 42108

Parts in set 42108, Mobile Crane
Colour	Part	Qty	Print or buy
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	223	Print
Blue	6558 Pin Long with Friction Ridges Lengthwise, 2 Center Slots	106	Print
Blue	43093 Axle Pin with Friction Ridges Lengthwise	54	Print
Red	32062 Axle 2 Notched	39	Print
Black	18654 Pin Connector Round 1L [Beam]	35	Print
Black	15100 Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise	33	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	29	Print
Light Bluish Gray	4519 Axle 3	28	Print
Yellow	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	23	Print
Reddish Brown	24316 Axle 3 with Stop	21	Print
Light Bluish Gray	41677 Beam 1 x 2 Thin	18	Print
Red	11214 Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle	17	Print
Black	32054 Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]	17	Print
Yellow	32140 Beam 2 x 4 L-Shape Thick	17	Print
Yellow	32316 Beam 1 x 5 Thick	17	Print
Yellow	6536 Axle and Pin Connector Perpendicular	17	Print
Dark Bluish Gray	40490 Beam 1 x 9 Thick	16	Print
Orange	32054 Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]	15	Print
Light Bluish Gray	32449 Beam 1 x 4 Thin	13	Print
Black	32524 Beam 1 x 7 Thick	13	Print
Blue	15100 Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise	12	Print
Black	32278 Beam 1 x 15 Thick	12	Print
Yellow	11954 Panel Curved 11 x 3 with 10 Pin Holes Through Panel Surface	11	Print
Black	18651 Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle	11	Print
Black	32034 Axle and Pin Connector Angled #2 - 180°	11	Print
Yellow	41239 Beam 1 x 13 Thick	11	Print
Black	6536 Axle and Pin Connector Perpendicular	11	Print
Yellow	15100 Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise	10	Print
Black	3743 Gear Rack 1 x 4	10	Print
Black	59443 Axle Connector Smooth [with x Hole + Orientation]	10	Print
Light Bluish Gray	61408 Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole	10	Print
Light Bluish Gray	22961 Pin Connector Hub with 1 Axle	9	Print
Black	32013 Axle and Pin Connector Angled #1	9	Print
Black	32270 Gear 12 Tooth Double Bevel	9	Print
Black	32316 Beam 1 x 5 Thick	9	Print
Yellow	32523 Beam 1 x 3 Thick	9	Print
Light Bluish Gray	42003 Axle and Pin Connector Perpendicular 3L with 2 Pin Holes	9	Print
Black	42195 Driving Ring Connector Smooth [2 rounded and 2 flat side walls]	9	Print
Tan	6589 Gear 12 Tooth Bevel	9	Print
Black	11478 Beam 1 x 5 Thin with Axle Holes on Ends	8	Print
Black	32140 Beam 2 x 4 L-Shape Thick	8	Print
Yellow	32524 Beam 1 x 7 Thick	8	Print
Light Bluish Gray	48989 Pin Connector Hub Perpendicular 3L with 4 Pins	8	Print
Dark Bluish Gray	60483 Beam 1 x 2 Thick with Pin Hole and Axle Hole	8	Print
Yellow	60484 Beam 3 x 3 T-Shape Thick	8	Print
Yellow	44294 Axle 7	7	Print
Black	6636 Tile 1 x 6 with Groove	7	Print
Dark Bluish Gray	87083 Axle 4 with Stop	7	Print
Black	25214 Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end	6	Print
Light Bluish Gray	32073 Axle 5	6	Print
Black	32250 Beam 3 x 5 L-Shape with Quarter Ellipse Thin	6	Print
Black	32525 Beam 1 x 11 Thick	6	Print
Black	32526 Beam 3 x 5 L-Shape Thick	6	Print
Black	3705 Axle 4	6	Print
Red	3713 Bush	6	Print
Black	3895 Brick 1 x 12 [11 Pin Holes]	6	Print
Light Bluish Gray	41678 Axle and Pin Connector Perpendicular Double Split	6	Print
Light Bluish Gray	42195 Driving Ring Connector Smooth [2 rounded and 2 flat side walls]	6	Print
Black	87082 Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes]	6	Print
Yellow	14720 Beam 3 x 5 Thick [90° Offset Centre Beam Holes]	5	Print
Black	15535 Tile Special Round 2 x 2 with Hole	5	Print
Yellow	32184 Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	5	Print
Black	85861 Plate Round 1 x 1 with Open Stud	5	Print
Yellow	23948 Axle 11	4	Print
Yellow	24116 Panel Curved and Bent 6 x 3	4	Print
Blue	24116 Panel Curved and Bent 6 x 3	4	Print
Black	24116 Panel Curved and Bent 6 x 3	4	Print
Black	32009 Beam 1 x 11.5 Double Bent Thick	4	Print
Black	32271 Beam 1 x 9 Bent (7 - 3) Thick	4	Print
Light Bluish Gray	32278 Beam 1 x 15 Thick	4	Print
Black	3623 Plate 1 x 3	4	Print
Black	60484 Beam 3 x 3 T-Shape Thick	4	Print
Light Bluish Gray	64179 Beam Frame 5 x 7 with 3 x 5 Opening Thick	4	Print
Black	6629 Beam 1 x 9 Bent (6 - 4) Thick	4	Print
Black	87761 Gear Rack 1 x 7 with Axle and Pin Holes	4	Print
Light Bluish Gray	92907 Axle and Pin Connector Perpendicular Split	4	Print
Light Bluish Gray	2431 Tile 1 x 4 with Groove	3	Print
Black	2445 Plate 2 x 12	3	Print
Black	2654 Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	3	Print
Tan	32002 Pin 3/4	3	Print
Black	48496 Pin Connector Toggle Joint Smooth Double with 2 Pins	3	Print
Black	61408 Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole	3	Print
Dark Tan	6587 Axle 3 with Stud	3	Print
Black	92947 Brick Round 2 x 2 [Grill]	3	Print
Tan	18575 Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]	2	Print
Light Bluish Gray	2736 Axle Towball	2	Print
Dark Bluish Gray	27940 Pin Connector Hub with 2 Axles	2	Print
Red	32014 Axle and Pin Connector Angled #6 - 90°	2	Print
Black	32291 Axle and Pin Connector Perpendicular Double	2	Print
Black	32523 Beam 1 x 3 Thick	2	Print
Blue	35185 Gear 20 Tooth Double Bevel with Clutch on Both Sides	2	Print
Dark Bluish Gray	3648b Gear 24 Tooth [New Style with Single Axle Hole]	2	Print
Light Bluish Gray	3673 Pin without Friction Ridges Lengthwise	2	Print
Red	3706 Axle 6	2	Print
Black	3706 Axle 6	2	Print
Red	3707 Axle 8	2	Print
Yellow	40490 Beam 1 x 9 Thick	2	Print
Black	46189 Pin Connector 3L with 2 Pins and Center Hole [Pin Ridges Across Part]	2	Print
Light Bluish Gray	64178 Beam 5 x 11 with 3 x 5 Opening Frame Thick	2	Print
Red	6628 Pin with Friction Ridges Lengthwise and Towball	2	Print
Black	85940 Pin Connector Double with Bar [2 Holes]	2	Print
Black	99773 Beam Triangle Thin [Type II]	2	Print
Light Bluish Gray	14719 Tile 2 x 2 Corner	1	Print
Yellow	15458 Panel 3 x 11 x 1	1	Print
Black	18938 Turntable Large Type 3 Top, 60 Tooth	1	Print
Light Bluish Gray	18939 Turntable Large Type 3 Base	1	Print
Red	18946 Gear 16 Tooth with Clutch on Both Sides	1	Print
Black	2723 Disc 3 x 3	1	Print
Black	2730 Brick 1 x 10 [9 Pin Holes]	1	Print
Light Bluish Gray	2819 Steering Wheel Small (3 Studs Diameter)	1	Print
Light Bluish Gray	2853 Engine Crankshaft	1	Print
Black	3023 Plate 1 x 2	1	Print
Black	3034 Plate 2 x 8	1	Print
Dark Bluish Gray	30395 Hook with Towball	1	Print
Tan	32198 Gear 20 Tooth Bevel	1	Print
Tan	32556 Pin Long without Friction Ridges	1	Print
Black	35480 Plate Special 1 x 2 Rounded with 2 Open Studs	1	Print
Black	3701 Brick 1 x 4 [3 Pin Holes]	1	Print
Black	3710 Plate 1 x 4	1	Print
Black	3737 Axle 10	1	Print
Black	4081b Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]	1	Print
Black	43857 Beam 1 x 2 Thick	1	Print
Dark Bluish Gray	61904 Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder]	1	Print
Black	63869 Axle and Pin Connector Perpendicular Triple	1	Print
Black	64179 Beam Frame 5 x 7 with 3 x 5 Opening Thick	1	Print
Black	64391 Panel Fairing # 4 Small Smooth Long, Side B	1	Print
Yellow	64393 Panel Fairing #6 Long Smooth, Side B	1	Print
Yellow	64681 Panel Fairing #5 Long Smooth, Side A	1	Print
Black	64683 Panel Fairing # 3 Small Smooth Long, Side A	1	Print
Black	93273 Brick Curved 4 x 1 Double, No Studs	1	Print
Light Bluish Gray	94925 Gear 16 Tooth Reinforced [New Style]	1	Print
Black	18654 Pin Connector Round 1L [Beam]	1 spare	Print
Black	2780 Pin with Friction Ridges Lengthwise and Center Slots	1 spare	Print
Tan	32002 Pin 3/4	1 spare	Print
Yellow	32123b Bush 1/2 Smooth with Axle Hole Semi-Reduced	1 spare	Print
Light Bluish Gray	3673 Pin without Friction Ridges Lengthwise	1 spare	Print
Red	3713 Bush	1 spare	Print
Light Bluish Gray	4274 Pin 1/2 without Friction Ridges	1 spare	Print
Black	85861 Plate Round 1 x 1 with Open Stud	1 spare	Print
Trans-Orange	98138 Tile Round 1 x 1	12	Buy
Black	15413 Tyre 49.53 x 20	8	Buy
Yellow	56145 Wheel 30.4 x 20 without Pinholes, with Reinforced Rim	8	Buy
Trans-Clear	98138 Tile Round 1 x 1	8	Buy
Trans-Red	98138 Tile Round 1 x 1	5	Buy
Light Bluish Gray	13971 Wheel 18 x 8 with Fake Bolts and Deep Spokes with Inner Ring	3	Buy
Trans-Orange	2654 Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	2	Buy
Trans-Orange	3941 Brick Round 2 x 2 with Axle Hole	2	Buy
Dark Bluish Gray	37597c300 String Cord Medium Thickness (1mm) 300cm	1	Buy
Light Bluish Gray	40918 Linear Actuator with Dark Bluish Gray Ends Long	1	Buy
Light Bluish Gray	4185 Wedge Belt Wheel [aka Pulley]	1	Buy
Light Bluish Gray	60169 Chain 16L [21 Links]	1	Buy
[No Color/Any Color]	65625 Sticker Sheet for Set 42108-1	1	Buy
Trans-Green	98138 Tile Round 1 x 1	1	Buy
Trans-Orange	98138 Tile Round 1 x 1	1 spare	Buy
Trans-Red	98138 Tile Round 1 x 1	1 spare	Buy
Trans-Green	98138 Tile Round 1 x 1	1 spare	Buy
Trans-Clear	98138 Tile Round 1 x 1	1 spare	Buy

Print set 42108 at home

The set tool makes an STL file for each of the 1,238 printable pieces, sorted by colour, plus a shopping list for the 54 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.