# LEGO 42108-1 — Mobile Crane (2020)

Source: https://www.brickmissing.com/sets/42108-1-mobile-crane
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Explore the mechanics of mega-machines with the challenging LEGO Technic 42108 Mobile Crane. This super-tall model, sporting a classic black and yellow design, truly mirrors its real-world counterpart in both looks and operation. Drive and steer the vehicle precisely, then deploy the sturdy outriggers to secure it. From the crane cabin, elevate the boom and extend the telescopic arm to impressive heights. Use the robust hoist to lift the included concrete pillar, perfect for immersive construction site role-play or simply to test this powerful crane's full capabilities. An advanced build that brings engineering to life.

## Set facts

- Set number: 42108-1
- Name: Mobile Crane
- Theme: Technic
- Released: 2020
- Pieces: 1292
- Distinct part + colour lots: 145
- Build difficulty: intermediate
- Repairability: 2.8% of this set's lots are hard to replace (4 of 145 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (145 lots, 1292 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 17 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle | Red | 11214 | 6209519 | €0,29 |
| 8 | Technic Beam 1 x 5 Thin with Axle Holes on Ends | Black | 11478 | 6327028 | €0,25 |
| 11 | Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface | Yellow | 11954 | 6022952 | — |
| 3 | Wheel 18 x 8 with Fake Bolts and Deep Spokes with Inner Ring | Light Bluish Gray | 13971 | 6044729 | €0,21 |
| 1 | Tile 2 x 2 Corner | Light Bluish Gray | 14719 | 6065824 | €0,06 |
| 5 | Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] | Yellow | 14720 | 6259054 | €0,36 |
| 10 | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise | Yellow | 15100 | 6259269 | — |
| 12 | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise | Black | 15100 | 6203249 | — |
| 33 | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise | Black | 15100 | 6073231 | — |
| 8 | Tyre 49.53 x 20 | Black | 15413 | 6055626 | €2,71 |
| 1 | Technic Panel 3 x 11 x 1 | Yellow | 15458 | 6143847 | €1,13 |
| 5 | Tile Round 2 x 2 with Hole | Black | 15535 | 6143850 | €0,07 |
| 2 | Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] | Tan | 18575 | 6346517 | €0,36 |
| 11 | Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle | Black | 18651 | 6089119 | €0,08 |
| 35 | Technic Pin Connector Round 1L [Beam] | Black | 18654 | 6121485 | €0,05 |
| 1 | Technic Turntable Large Type 3 Top, 60 Tooth | Black | 18938 | 6109283 | — |
| 1 | Technic Turntable Large Type 3 Base | Light Bluish Gray | 18939 | 6109285 | €1,04 |
| 1 | Technic Gear 16 Tooth with Clutch on Both Sides | Red | 18946 | 6100930 | €0,42 |
| 9 | Technic Pin Connector Hub with 1 Axle | Light Bluish Gray | 22961 | 6123815 | €0,13 |
| 4 | Technic Axle 11 | Yellow | 23948 | 6130012 | €0,29 |
| 4 | Technic Panel Curved and Bent 6 x 3 | Yellow | 24116 | 6133245 | — |
| 4 | Technic Panel Curved and Bent 6 x 3 | Black | 24116 | 6268009 | €0,71 |
| 4 | Technic Panel Curved and Bent 6 x 3 | Black | 24116 | 6268012 | €0,71 |
| 3 | Tile 1 x 4 with Groove | Light Bluish Gray | 2431 | 4211356 | €0,12 |
| 21 | Technic Axle 3 with Stop | Reddish Brown | 24316 | 6135494 | €0,07 |
| 3 | Plate 2 x 12 | Black | 2445 | 244526 | €0,36 |
| 6 | Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end | Black | 25214 | 6179182 | €0,23 |
| 2 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Trans-Orange | 2654 | 6171727 | €0,12 |
| 3 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278359 | €0,07 |
| 1 | Technic Disc 3 x 3 | Black | 2723 | 4218868 | €0,21 |
| 1 | Technic Brick 1 x 10 [9 Pin Holes] | Black | 2730 | 273026 | €0,48 |
| 2 | Technic Axle Towball | Light Bluish Gray | 2736 | 4211375 | €0,13 |
| 223 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 2 | Technic Pin Connector Hub with 2 Axles | Dark Bluish Gray | 27940 | 6167281 | €0,17 |
| 1 | Technic Steering Wheel Small (3 Studs Diameter) | Light Bluish Gray | 2819 | 4580510 | €0,34 |
| 1 | Technic Engine Crankshaft | Light Bluish Gray | 2853 | 4211609 | €0,16 |
| 1 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 1 | Plate 2 x 8 | Black | 3034 | 303426 | €0,29 |
| 1 | Hook with Towball | Dark Bluish Gray | 30395 | 6347464 | €0,19 |
| 3 | Technic Pin 3/4 | Tan | 32002 | 6013938 | €0,08 |
| 4 | Technic Beam 1 x 11.5 Double Bent Thick | Black | 32009 | 6271152 | €0,39 |
| 9 | Technic Axle and Pin Connector Angled #1 | Black | 32013 | 6284699 | €0,08 |
| 2 | Technic Axle and Pin Connector Angled #6 - 90° | Red | 32014 | 6268922 | €0,22 |
| 11 | Technic Axle and Pin Connector Angled #2 - 180° | Black | 32034 | 6271869 | €0,11 |
| 15 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Orange | 32054 | 4140428 | — |
| 17 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Black | 32054 | 3205426 | — |
| 39 | Technic Axle 2 Notched | Red | 32062 | 4142865 | €0,07 |
| 6 | Technic Axle 5 | Light Bluish Gray | 32073 | 4211639 | €0,11 |
| 23 | Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced | Yellow | 32123b | 6271167 | €0,04 |
| 17 | Technic Beam 2 x 4 L-Shape Thick | Yellow | 32140 | 6271828 | €0,15 |
| 8 | Technic Beam 2 x 4 L-Shape Thick | Black | 32140 | 6271825 | €0,15 |
| 5 | Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole | Yellow | 32184 | 6276974 | €0,12 |
| 1 | Technic Gear 20 Tooth Bevel | Tan | 32198 | 6031962 | €0,56 |
| 6 | Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin | Black | 32250 | 6327162 | €0,42 |
| 9 | Technic Gear 12 Tooth Double Bevel | Black | 32270 | 4177431 | €0,18 |
| 4 | Technic Beam 1 x 9 Bent (7 - 3) Thick | Black | 32271 | 6276835 | €0,33 |
| 12 | Technic Beam 1 x 15 Thick | Black | 32278 | 4542573 | €0,42 |
| 4 | Technic Beam 1 x 15 Thick | Light Bluish Gray | 32278 | 4542577 | €0,42 |
| 2 | Technic Axle and Pin Connector Perpendicular Double | Black | 32291 | 6280394 | €0,15 |
| 17 | Technic Beam 1 x 5 Thick | Yellow | 32316 | 4142133 | €0,19 |
| 9 | Technic Beam 1 x 5 Thick | Black | 32316 | 4142135 | €0,19 |
| 13 | Technic Beam 1 x 4 Thin | Light Bluish Gray | 32449 | 6370947 | €0,19 |
| 9 | Technic Beam 1 x 3 Thick | Yellow | 32523 | 4153707 | €0,10 |
| 2 | Technic Beam 1 x 3 Thick | Black | 32523 | 4142822 | €0,10 |
| 13 | Technic Beam 1 x 7 Thick | Black | 32524 | 4495935 | €0,25 |
| 8 | Technic Beam 1 x 7 Thick | Yellow | 32524 | 4495934 | €0,25 |
| 6 | Technic Beam 1 x 11 Thick | Black | 32525 | 6029578 | €0,33 |
| 6 | Technic Beam 3 x 5 L-Shape Thick | Black | 32526 | 4142823 | €0,24 |
| 1 | Technic Pin Long without Friction Ridges | Tan | 32556 | — | — |
| 2 | Technic Gear 20 Tooth Double Bevel with Clutch on Both Sides | Black | 35185 | 6224999 | €0,41 |
| 1 | Plate Special 1 x 2 Rounded with 2 Open Studs | Black | 35480 | 6210270 | €0,07 |
| 4 | Plate 1 x 3 | Black | 3623 | 362326 | €0,07 |
| 2 | Technic Gear 24 Tooth [New Style with Single Axle Hole] | Dark Bluish Gray | 3648b | 6133119 | €0,33 |
| 2 | Technic Pin without Friction Ridges Lengthwise | Light Bluish Gray | 3673 | 4211807 | €0,05 |
| 1 | Technic Brick 1 x 4 [3 Pin Holes] | Black | 3701 | 370126 | €0,17 |
| 6 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 2 | Technic Axle 6 | Red | 3706 | 6130002 | €0,12 |
| 2 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 2 | Technic Axle 8 | Red | 3707 | 6130004 | €0,22 |
| 1 | Plate 1 x 4 | Black | 3710 | 371026 | €0,12 |
| 6 | Technic Bush | Red | 3713 | 6271820 | €0,05 |
| 1 | Technic Axle 10 | Black | 3737 | 373726 | €0,25 |
| 10 | Technic Gear Rack 1 x 4 | Black | 3743 | 6457282 | €0,19 |
| 1 | String Cord Medium Thickness (1mm) 300cm | Dark Bluish Gray | 37597c300 | 6225933 | — |
| 6 | Technic Brick 1 x 12 [11 Pin Holes] | Black | 3895 | 389526 | €0,54 |
| 2 | Brick Round 2 x 2 with Axle Hole | Trans-Orange | 3941 | 6273154 | €0,19 |
| 2 | Technic Beam 1 x 9 Thick | Yellow | 40490 | 6115616 | €0,29 |
| 16 | Technic Beam 1 x 9 Thick | Dark Bluish Gray | 40490 | 4645730 | €0,29 |
| 1 | Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] | Black | 4081b | 6281993 | €0,10 |
| 1 | Technic Linear Actuator with Dark Bluish Gray Ends Long | Light Bluish Gray | 40918 | 6240630 | — |
| 11 | Technic Beam 1 x 13 Thick | Yellow | 41239 | 4522935 | €0,39 |
| 18 | Technic Beam 1 x 2 Thin | Light Bluish Gray | 41677 | 6348143 | €0,13 |
| 6 | Technic Axle and Pin Connector Perpendicular Double Split | Light Bluish Gray | 41678 | 4211889 | — |
| 1 | Technic Wedge Belt Wheel [aka Pulley] | Light Bluish Gray | 4185 | 6321743 | €0,30 |
| 9 | Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes | Light Bluish Gray | 42003 | 6273724 | €0,12 |
| 9 | Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] | Black | 42195 | 6286381 | €0,13 |
| 6 | Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls] | Light Bluish Gray | 42195 | 6273212 | €0,13 |
| 29 | Technic Pin 1/2 | Light Bluish Gray | 4274 | 4211483 | €0,05 |
| 54 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 1 | Technic Beam 1 x 2 Thick | Black | 43857 | 4177444 | €0,12 |
| 7 | Technic Axle 7 | Yellow | 44294 | 6130009 | €0,16 |
| 28 | Technic Axle 3 | Light Bluish Gray | 4519 | 4211815 | €0,05 |
| 2 | Technic Pin Connector 3L with 2 Pins and Center Hole [Pin Ridges Across Part] | Black | 46189 | 6325521 | €0,35 |
| 3 | Technic Pin Connector Toggle Joint Smooth Double with 2 Pins | Black | 48496 | 4236640 | — |
| 8 | Technic Pin Connector Hub Perpendicular 3L with 4 Pins | Light Bluish Gray | 48989 | 4225033 | — |
| 8 | Wheel 30.4 x 20 without Pinholes, with Reinforced Rim | Yellow | 56145 | 4490139 | — |
| 10 | Technic Axle Connector Smooth [with x Hole + Orientation] | Black | 59443 | 4512363 | €0,06 |
| 1 | Chain 16L [21 Links] | Light Bluish Gray | 60169 | 6292172 | €0,69 |
| 8 | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole | Dark Bluish Gray | 60483 | 6265093 | €0,07 |
| 4 | Technic Beam 3 x 3 T-Shape Thick | Black | 60484 | 4552347 | €0,18 |
| 8 | Technic Beam 3 x 3 T-Shape Thick | Yellow | 60484 | 6072627 | €0,18 |
| 10 | Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole | Light Bluish Gray | 61408 | 6331859 | €0,25 |
| 3 | Technic Beam 3 x 0.5 Liftarm with Boss and Blocked, Squared Pin Hole | Black | 61408 | 6313520 | €0,25 |
| 1 | Technic Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder] | Dark Bluish Gray | 61904 | 6356106 | €0,77 |
| 1 | Technic Axle and Pin Connector Perpendicular Triple | Black | 63869 | 6362991 | €0,17 |
| 2 | Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick | Light Bluish Gray | 64178 | 4540797 | €1,26 |
| 1 | Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick | Black | 64179 | 6016154 | €0,91 |
| 4 | Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick | Light Bluish Gray | 64179 | 4539880 | €0,91 |
| 1 | Technic Panel Fairing # 4 Small Smooth Long, Side B | Black | 64391 | 4541325 | €0,58 |
| 1 | Technic Panel Fairing #6 Long Smooth, Side B | Yellow | 64393 | 4558800 | — |
| 1 | Technic Panel Fairing #5 Long Smooth, Side A | Yellow | 64681 | 4558817 | — |
| 1 | Technic Panel Fairing # 3 Small Smooth Long, Side A | Black | 64683 | 4541924 | €0,58 |
| 11 | Technic Axle and Pin Connector Perpendicular | Black | 6536 | 6261371 | €0,10 |
| 17 | Technic Axle and Pin Connector Perpendicular | Yellow | 6536 | 6261367 | €0,10 |
| 106 | Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots | Black | 6558 | 4514553 | — |
| 1 | Sticker Sheet for Set 42108-1 | Unknown | 65625 | 6283772 | — |
| 3 | Technic Axle 3 with Stud | Dark Tan | 6587 | 6031821 | €0,10 |
| 9 | Technic Gear 12 Tooth Bevel | Tan | 6589 | 4565452 | €0,10 |
| 2 | Technic Pin with Friction Ridges Lengthwise and Towball | Red | 6628 | 6254216 | — |
| 4 | Technic Beam 1 x 9 Bent (6 - 4) Thick | Black | 6629 | 6279881 | €0,34 |
| 7 | Tile 1 x 6 with Groove | Black | 6636 | 663626 | €0,13 |
| 5 | Plate Round 1 x 1 with Open Stud | Black | 85861 | 6168646 | €0,04 |
| 2 | Technic Pin Connector Double with Bar [2 Holes] | Black | 85940 | 6173124 | €0,21 |
| 6 | Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] | Black | 87082 | 4560174 | — |
| 7 | Technic Axle 4 with Stop | Dark Bluish Gray | 87083 | 6083620 | €0,07 |
| 4 | Technic Gear Rack 1 x 7 with Axle and Pin Holes | Black | 87761 | 6327430 | €0,82 |
| 4 | Technic Axle and Pin Connector Perpendicular Split | Light Bluish Gray | 92907 | 6279023 | €0,29 |
| 3 | Brick Round 2 x 2 [Grill] | Black | 92947 | 6024730 | €0,12 |
| 1 | Slope Curved 4 x 1 Double with No Studs | Black | 93273 | 4613153 | €0,15 |
| 1 | Technic Gear 16 Tooth Reinforced [New Style] | Light Bluish Gray | 94925 | 4640536 | €0,21 |
| 8 | Tile Round 1 x 1 | Trans-Clear | 98138 | 6274738 | €0,05 |
| 12 | Tile Round 1 x 1 | Trans-Orange | 98138 | 6514197 | €0,05 |
| 5 | Tile Round 1 x 1 | Trans-Red | 98138 | 6258607 | €0,05 |
| 1 | Tile Round 1 x 1 | Trans-Green | 98138 | 6274742 | €0,05 |
| 2 | Technic Beam Triangle Thin [Type II] | Black | 99773 | 6331437 | €0,31 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/42108-1-mobile-crane
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/42108-1-mobile-crane