LEGO 42121-1 Heavy-Duty Excavator — completeness check & missing parts · Brixscan

Back42121-1

Heavy-Duty Excavator

2021 · 569 parts

116 line items

100%Complete ✓

Everything is assumed present — tap − to mark what’s missing or damaged.

Brick Curved 2 x 1 No Studs [1/2 Bow]
Red·11477
1/1
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)
Black·54200
1/1
Brick Special 1 x 1 with Studs on 2 Sides
Red·47905
1/1
Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth
Black·57360
1/1
Hinge Plate 1 x 2 Locking with 1 Finger on Side, without Groove
Black·44567b
1/1
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye
Trans-Orange·58176
1/1
Plate 1 x 2
Yellow·3023
1/1
Plate 1 x 3
Red·3623
1/1
Plate 1 x 4
Yellow·3710
1/1
Plate 2 x 2
Black·3022
1/1
Plate 4 x 6
Yellow·3032
1/1
Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)
Black·15573
1/1
Sticker Sheet for Set 42121-1
[No Color/Any Color]·72184
1/1
Technic Axle 5
Light Bluish Gray·32073
1/1
Technic Axle 5.5 with Stop [Rounded Short End]
Dark Bluish Gray·59426
1/1
Technic Axle 6
Red·3706
1/1
Technic Axle 7
Yellow·44294
1/1
Technic Axle 9
Light Bluish Gray·60485
1/1
Technic Axle and Pin Connector Angled #1
Black·32013
1/1
Technic Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder]
Dark Bluish Gray·61904
1/1
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole
Black·32184
1/1
Technic Axle and Pin Connector Perpendicular Split
Light Bluish Gray·92907
1/1
Technic Axle Connector Smooth [with x Hole + Orientation]
Yellow·59443
1/1
Technic Beam 1 x 7 Thick
Dark Bluish Gray·32524
1/1
Technic Beam 1 x 9 Thick
White·40490
1/1
Technic Brick 1 x 2 [2 Pin Holes]
Black·32000
1/1
Technic Bush
Light Bluish Gray·3713
1/1
Technic Digger Bucket 4 x 7
Dark Bluish Gray·24120
1/1
Technic Gear 12 Tooth Bevel
Tan·6589
1/1
Technic Gear 20 Tooth Bevel
Tan·32198
1/1
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]
Tan·18575
1/1
Technic Panel Curved and Bent 6 x 3
Trans-Clear·24116
1/1
Technic Panel Fairing # 3 Small Smooth Long, Side A
Yellow·64683
1/1
Technic Panel Fairing # 4 Small Smooth Long, Side B
Yellow·64391
1/1
Technic Panel Fairing #22 5L Small Smooth, Side A
Yellow·11947
1/1
Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes)
Light Bluish Gray·65489
1/1
Technic Pin Connector Hub with 2 Axles
Dark Bluish Gray·27940
1/1
Technic Pin Connector Round 1L [Beam]
Light Bluish Gray·18654
1/1
Technic Turntable Large Type 3 Base
Light Bluish Gray·18939
1/1
Technic Turntable Large Type 3 Top, 60 Tooth
Black·18938
1/1
Tile 2 x 4 with Groove
Yellow·87079
1/1
Tile Round 1 x 1
Light Bluish Gray·98138
1/1
Equipment Hose Nozzle / Gun with Side String Hole Simplified
Light Bluish Gray·60849
2/2
Plate Special 1 x 2 with Pin Hole Underneath
Black·18677
2/2
Technic Axle 4 with Stop
Dark Bluish Gray·87083
2/2
Technic Axle and Pin Connector Perpendicular Triple
Black·63869
2/2
Technic Axle and Pin Connector Toggle Joint Smooth
Black·32126
2/2
Technic Axle Pin without Friction Ridges Lengthwise
Tan·3749
2/2
Technic Beam 1 x 11 Thick
Yellow·32525
2/2
Technic Beam 1 x 11.5 Double Bent Thick
Yellow·32009
2/2
Technic Beam 1 x 3 Thick
Black·32523
2/2
Technic Beam 1 x 3 Thin
Yellow·6632
2/2
Technic Beam 1 x 5 Thin with Axle Holes on Ends
Black·11478
2/2
Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick
Black·71708
2/2
Technic Beam 2 x 4 L-Shape Thick
Black·32140
2/2
Technic Linear Actuator Mini with Dark Bluish Gray Head and Orange Axle
Light Bluish Gray·92693
2/2
Technic Pin Connector Perpendicular 2 x 2 Bent
Yellow·44809
2/2
Tile 1 x 1 with Groove
Red·3070b
2/2
Tile 1 x 2 with Groove
Light Bluish Gray·3069b
2/2
Tile Round 1 x 1
Trans-Clear·98138
2/2
Technic Axle and Pin Connector Angled #2 - 180°
Black·32034
3/3
Technic Axle and Pin Connector Angled #6 - 90°
Black·32014
3/3
Technic Beam 3 x 5 L-Shape Thick
Yellow·32526
3/3
Technic Connector Beam 3 x 3
Black·39793
3/3
Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]
Light Bluish Gray·42195
3/3
Technic Gear 12 Tooth Double Bevel
Black·32270
3/3
Technic Panel Curved and Bent 6 x 3
Yellow·24116
3/3
Brick Curved 2 x 2 x 2/3
Yellow·15068
4/4
Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate
Black·61409
4/4
Cone 1 x 1 [Top Groove]
Red·59900
4/4
Plate Round 1 x 1 with Solid Stud
White·6141
4/4
Plate Special 2 x 2 with Groove and Center Stud (Jumper)
Red·87580
4/4
Technic Axle and Pin Connector Perpendicular Double Split
Light Bluish Gray·41678
4/4
Technic Axle and Pin Connector Perpendicular Triple
Light Bluish Gray·63869
4/4
Technic Beam 1 x 6 Thin
Yellow·32063
4/4
Technic Beam 1 x 7 Thick
Yellow·32524
4/4
Technic Beam 1 x 9 Bent (7 - 3) Thick
Black·32271
4/4
Technic Beam 1 x 9 Thick
Black·40490
4/4
Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick
Yellow·71708
4/4
Technic Beam Triangle Thin [Type II]
Black·99773
4/4

Spare parts (15) — not counted

Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)
Black·54200
×1
Equipment Hose Nozzle / Gun with Side String Hole Simplified
Light Bluish Gray·60849
×1
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye
Trans-Orange·58176
×1
Plate Round 1 x 1 with Solid Stud
White·6141
×1
Technic Bush
Light Bluish Gray·3713
×1
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Yellow·32123b
×1
Technic Pin 3/4
Tan·32002
×1
Technic Pin Connector Round 1L [Beam]
Light Bluish Gray·18654
×1
Technic Pin Connector Round 1L [Beam]
Black·18654
×1
Tile 1 x 1 with Groove
Red·3070b
×1
Tile Round 1 x 1
Trans-Clear·98138
×1
Tile Round 1 x 1
Light Bluish Gray·98138
×1
Technic Pin 1/2
Light Bluish Gray·4274
×2
Technic Pin with Friction Ridges Lengthwise and Center Slots
Black·2780
×2
Technic Link Tread with Beveled Edge
Black·15379
×4

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