Mobile Crane

LEGO 8421-1 · 2005 · 1884 listed pieces · Construction

Explore the parts and colours recorded for this set.

Parts inventory

Part	Name	Colour	Quantity
2780	Technic Pin with Friction Ridges Lengthwise and Center Slots	Black	234
6558	Technic Pin Long with Friction Ridges Lengthwise	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	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	Light Bluish Gray	17
32449	Technic Beam 1 x 4 Thin	Light Bluish Gray	17
3713	Technic Bush	Black	17
6536	Technic Axle and Pin Connector Perpendicular	Black	17
3703	Technic Brick 1 x 16 [15 Holes]	Yellow	16
3710	Plate 1 x 4	Yellow	16
32209	Technic Axle 5.5 With Stop [Flat Short End]	Dark Bluish Gray	15
6538b	Technic Axle Connector Ridged [with x Hole x Orientation]	Black	15
6632	Technic Beam 1 x 3 Thin	Light Bluish Gray	15
2905	Technic Beam Triangle Thin [Type I]	Black	14
32056	Technic Beam 3 x 3 L-Shape Thin	Blue	14
41239	Technic Beam 1 x 13 Thick	Black	14
4162	Tile 1 x 8 with Groove	Yellow	14
48989	Technic Pin Connector Hub Perpendicular 3L with 4 Pins	Light Bluish Gray	14
3023	Plate 1 x 2	Yellow	13
32556	Technic Pin Long without Friction Ridges	Light Bluish Gray	13
32002	Technic Pin 3/4	Dark Bluish Gray	12
32013	Technic Axle and Pin Connector Angled #1	Yellow	12
32523	Technic Beam 1 x 3 Thick	Dark Bluish Gray	12
41677	Technic Beam 1 x 2 Thin	Red	12
32526	Technic Beam 3 x 5 L-Shape Thick	Light Bluish Gray	11
3647	Technic Gear 8 Tooth	Light Bluish Gray	11
40490	Technic Beam 1 x 9 Thick	Dark Bluish Gray	11
32524	Technic Beam 1 x 7 Thick	Yellow	10
3666	Plate 1 x 6	Yellow	10
3743	Technic Gear Rack 1 x 4	Light Bluish Gray	9
32009	Technic Beam 1 x 11.5 Double Bent Thick	Dark Bluish Gray	8
32013	Technic Axle and Pin Connector Angled #1	Light Bluish Gray	8
32019	Tyre 62.4 x 20	Black	8
32020	Wheel 62.4 x 20 with Extended Axle Stem	Light Bluish Gray	8
32278	Technic Beam 1 x 15 Thick	Yellow	8
32526	Technic Beam 3 x 5 L-Shape Thick	Black	8
3460	Plate 1 x 8	Dark Bluish Gray	8
4019	Technic Gear 16 Tooth with Round Holes [Old Style]	Light Bluish Gray	8
6536	Technic Axle and Pin Connector Perpendicular	Dark Bluish Gray	8
32184	Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	Light Bluish Gray	7
32523	Technic Beam 1 x 3 Thick	Yellow	7
3707	Technic Axle 8	Black	7
41239	Technic Beam 1 x 13 Thick	Yellow	7
2744	Technic Slope Long	Yellow	6
2850a	Technic Engine Cylinder with Side Slots	Light Bluish Gray	6
2851	Technic Engine Piston Round	Yellow	6
2852	Technic Engine Connecting Rod	Light Bluish Gray	6
32039	Technic Axle Connector with Axle Hole	Yellow	6
32140	Technic Beam 2 x 4 L-Shape Thick	Yellow	6
32250	Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin	Black	6
32278	Technic Beam 1 x 15 Thick	Black	6
32525	Technic Beam 1 x 11 Thick	Light Bluish Gray	6
32526	Technic Beam 3 x 5 L-Shape Thick	Blue	6
3460	Plate 1 x 8	Yellow	6
3623	Plate 1 x 3	Yellow	6
3794a	Plate Special 1 x 2 with 1 Stud without Groove (Jumper)	Light Bluish Gray	6
41677	Technic Beam 1 x 2 Thin	Dark Bluish Gray	6
6141	Plate Round 1 x 1 with Solid Stud	Trans-Clear	6
32018	Technic Brick 1 x 14 [13 Holes]	Yellow	5
32034	Technic Axle and Pin Connector Angled #2 - 180°	Black	5
32269	Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening]	Light Bluish Gray	5
32270	Technic Gear 12 Tooth Double Bevel	Light Bluish Gray	5
3706	Technic Axle 6	Black	5
3737	Technic Axle 10	Black	5
6542a	Technic Gear 16 Tooth with Clutch [Toothed]	Dark Bluish Gray	5
6589	Technic Gear 12 Tooth Bevel	Light Bluish Gray	5
2456	Brick 2 x 6	Yellow	4
3069b	Tile 1 x 2 with Groove	Yellow	4
32054	Technic Pin Long with Friction Ridges Lengthwise and Stop Bush	Black	4
32072	Technic Knob Wheel	Yellow	4
32123b	Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced	Yellow	4
32124	Technic Plate 1 x 5 with Smooth Ends, 4 Studs and Centre Axle Hole	Black	4
32251	Technic Beam 5 x 7 L-Shape with Quarter Ellipse Thin	Black	4
32449	Technic Beam 1 x 4 Thin	Yellow	4
32526	Technic Beam 3 x 5 L-Shape Thick	Yellow	4
33299a	Technic Beam 3 x 0.5 Liftarm with Boss and Pin / Crank	Black	4
3665	Slope Inverted 45° 2 x 1	Dark Bluish Gray	4
3701	Technic Brick 1 x 4 [3 Holes]	Yellow	4
3702	Technic Brick 1 x 8 [7 Holes]	Yellow	4
3894	Technic Brick 1 x 6 [5 Holes]	Yellow	4
40490	Technic Beam 1 x 9 Thick	Yellow	4
41677	Technic Beam 1 x 2 Thin	Light Bluish Gray	4
41767	Wedge 4 x 2 Right	Yellow	4
41768	Wedge 4 x 2 Left	Yellow	4
6141	Plate Round 1 x 1 with Solid Stud	Trans-Neon Orange	4
2654	Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	Black	3
3022	Plate 2 x 2	Yellow	3
32138	Technic Pin Double with Axle Hole	Light Bluish Gray	3
32140	Technic Beam 2 x 4 L-Shape Thick	Blue	3
32271	Technic Beam 1 x 9 Bent (7 - 3) Thick	Yellow	3
32525	Technic Beam 1 x 11 Thick	Yellow	3
3941	Brick Round 2 x 2 with Axle Hole	Trans-Neon Orange	3
4032a	Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	Black	3
4185	Technic Wedge Belt Wheel [aka Pulley]	Light Bluish Gray	3
42003	Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes	Yellow	3
6629	Technic Beam 1 x 9 Bent (6 - 4) Thick	Black	3
6629	Technic Beam 1 x 9 Bent (6 - 4) Thick	Yellow	3
14226c31	String with End Studs 31L Overall	Black	2
2420	Plate 2 x 2 Corner	Yellow	2
2431	Tile 1 x 4 with Groove	Yellow	2
2444	Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs]	Black	2
2853	Technic Engine Crankshaft	Light Bluish Gray	2
2854	Technic Engine Crankshaft Center	Dark Bluish Gray	2
30155	Wheel Spoked 2 x 2 with Pin Hole	Black	2
3023	Plate 1 x 2	Dark Bluish Gray	2
30622	Grille 1 x 4 [Two Pins]	Yellow	2
32009	Technic Beam 1 x 11.5 Double Bent Thick	Black	2
32015	Technic Axle and Pin Connector Angled #5 - 112.5°	Black	2
32016	Technic Axle and Pin Connector Angled #3 - 157.5°	Black	2
32017	Technic Beam 1 x 5 Thin	Light Bluish Gray	2
32018	Technic Brick 1 x 14 [13 Holes]	Black	2
32034	Technic Axle and Pin Connector Angled #2 - 180°	Light Bluish Gray	2
32039	Technic Axle Connector with Axle Hole	Black	2
32064b	Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening]	Yellow	2
32140	Technic Beam 2 x 4 L-Shape Thick	Black	2
32291	Technic Axle and Pin Connector Perpendicular Double	Black	2
32333	Technic, Pin Connector Block 1 x 5 x 3	Light Bluish Gray	2
32348	Technic Beam 1 x 7 Bent (4 - 4) Thick	Light Bluish Gray	2
32523	Technic Beam 1 x 3 Thick	Light Bluish Gray	2
32529	Technic Pin Connector Plate with One Hole (Single on Bottom)	Black	2
3623	Plate 1 x 3	Dark Bluish Gray	2
3703	Technic Brick 1 x 16 [15 Holes]	Dark Bluish Gray	2
3708	Technic Axle 12	Black	2
3749	Technic Axle Pin without Friction Ridges Lengthwise	Tan	2
3794a	Plate Special 1 x 2 with 1 Stud without Groove (Jumper)	Yellow	2
40490	Technic Beam 1 x 9 Thick	Black	2
41239	Technic Beam 1 x 13 Thick	Light Bluish Gray	2
41672	Bionicle Bohrok Shoulder, Beam 1 x 3 x 7	Black	2
41677	Technic Beam 1 x 2 Thin	Black	2
41678	Technic Axle and Pin Connector Perpendicular Double Split	Yellow	2
4185	Technic Wedge Belt Wheel [aka Pulley]	Black	2
43857	Technic Beam 1 x 2 Thick	Black	2
43857	Technic Beam 1 x 2 Thick	Blue	2
43857	Technic Beam 1 x 2 Thick	Yellow	2
4477	Plate 1 x 10	Black	2
47225	Pneumatic Cylinder with 2 Inlets and Rounded End Medium (48mm)	Yellow	2
53178	Pneumatic Cylinder Bracket	Yellow	2
6141	Plate Round 1 x 1 with Solid Stud	Trans-Red	2
6541	Technic Brick 1 x 1 with Hole	Yellow	2
6553	Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)	Black	2
6632	Technic Beam 1 x 3 Thin	Yellow	2
75535	Technic Pin Connector Round [No Slot]	Black	2
76244	Technic Gear 24 Tooth Clutch with Dark Bluish Gray Center	White	2
14728c250	String Cord Medium Thickness 250cm	Black	1
2431	Tile 1 x 4 with Groove	Black	1
2797c02	Pneumatic Pump New Style with Black Top	Yellow	1
2817	Plate Special 2 x 2 with 2 Pin Holes	Yellow	1
2819	Technic Steering Wheel Small (3 Studs Diameter)	Light Bluish Gray	1
2847c03	Electric 9V Battery Box 4 x 14 x 4 with Dark Bluish Gray Base Complete Assembly	Yellow	1
3021	Plate 2 x 3	Yellow	1
3032	Plate 4 x 6	Dark Bluish Gray	1
3034	Plate 2 x 8	Yellow	1
3035	Plate 4 x 8	Dark Bluish Gray	1
32009	Technic Beam 1 x 11.5 Double Bent Thick	Yellow	1
32013	Technic Axle and Pin Connector Angled #1	Black	1
32065	Technic Beam 1 x 7 Thin	Black	1
32065	Technic Beam 1 x 7 Thin	Yellow	1
32138	Technic Pin Double with Axle Hole	Black	1
32198	Technic Gear 20 Tooth Bevel	Light Bluish Gray	1
32316	Technic Beam 1 x 5 Thick	Black	1
32498	Technic Gear 36 Tooth Double Bevel	Black	1
3648b	Technic Gear 24 Tooth [New Style with Single Axle Hole]	Light Bluish Gray	1
3650c	Technic Gear 24 Tooth Crown with Reinforcements [New Style]	Light Bluish Gray	1
3666	Plate 1 x 6	Black	1
3666	Plate 1 x 6	Light Bluish Gray	1
40490	Technic Beam 1 x 9 Thick	Light Bluish Gray	1
42908	Electric RC Race Buggy Motor	Black	1
43857	Technic Beam 1 x 2 Thick	Light Bluish Gray	1
4697b	Pneumatic T-Piece (T Bar) [New Style]	Light Bluish Gray	1
4716	Technic Worm Gear	Black	1
4716	Technic Worm Gear	Light Bluish Gray	1
47223a	Pneumatic Switch with Pin Holes	Dark Bluish Gray	1
50163	Technic Turntable Large Type 2, Complete Assembly with Black Outside Gear Section (26/56 Teeth)	Dark Bluish Gray	1
50450	Technic Axle 32	Black	1
5102c16	Hose, Pneumatic 4mm D. 16L	Black	1
5102c16	Hose, Pneumatic 4mm D. 16L	Blue	1
5306bc020	Electric, Wire with Brick 2 x 2 x 2/3 Pair, 20 Studs Long	Black	1
6539	Technic Driving Ring 2L	Red	1
6573	Technic Gear Differential, 24 -16 Teeth	Dark Bluish Gray	1
6587	Technic Axle 3 with Stud	Dark Bluish Gray	1
6641	Technic Changeover Catch	Red	1
70496	Technic Metal Hook - Large	Black	1