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Set card

42121-1 - Heavy-Duty Excavator

Key catalog information about the set in one place.

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Heavy-Duty Excavator
Set

42121-1

Heavy-Duty Excavator

Release year 2021
Part count 569
Parts list 116
Manufacturer LEGO
Theme
Technic
Weight
not available
Minifigures
0

Main actions

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Set description

LEGO set Heavy-Duty Excavator (42121-1) has a catalog page with a parts list, minifigures and tools for build analysis and warehouse management.

Parts in set

This set has multiple inventory versions. Only the newest list is displayed. Version 2.
Inventory versions: 2 116 items
Photo Part number Name Color Quantity
Technic Pin Connector Perpendicular 2 x 2 Bent 44809 Technic Pin Connector Perpendicular 2 x 2 Bent Yellow 2
Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] 44874 Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] Light Bluish Gray (LBG) 5
Technic Axle 3 4519 Technic Axle 3 Light Bluish Gray (LBG) 13
Brick Special 1 x 1 with Studs on 2 Sides 47905 Brick Special 1 x 1 with Studs on 2 Sides Red 1
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black 1
Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth 57360 Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth Black 1
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye 58176 Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Orange 1
Technic Axle 5.5 with Stop [Rounded Short End] 59426 Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray 1
Technic Axle Connector Smooth [with x Hole + Orientation] 59443 Technic Axle Connector Smooth [with x Hole + Orientation] Yellow 1
Cone 1 x 1 [Top Groove] 59900 Cone 1 x 1 [Top Groove] Red 4
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole 60483 Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Dark Bluish Gray 20
Technic Axle 9 60485 Technic Axle 9 Light Bluish Gray (LBG) 1
Equipment Hose Nozzle / Gun with Side String Hole Simplified 60849 Equipment Hose Nozzle / Gun with Side String Hole Simplified Light Bluish Gray (LBG) 2
Technic Pin with Friction Ridges Lengthwise with No Center Slots 61332 Technic Pin with Friction Ridges Lengthwise with No Center Slots Black 38
Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate 61409 Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate Black 4
Plate Round 1 x 1 with Solid Stud 6141 Plate Round 1 x 1 with Solid Stud White 4
Technic Universal Joint 3L [Complete Assembly] 61903 Technic Universal Joint 3L [Complete Assembly] Light Bluish Gray (LBG) 4
Technic Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder] 61904 Technic Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder] Dark Bluish Gray 1
Technic Pin Connector Round [Slotted] 62462 Technic Pin Connector Round [Slotted] Black 4
Technic Axle and Pin Connector Perpendicular Triple 63869 Technic Axle and Pin Connector Perpendicular Triple Black 2
Technic Axle and Pin Connector Perpendicular Triple 63869 Technic Axle and Pin Connector Perpendicular Triple Light Bluish Gray (LBG) 4
Technic Panel Fairing # 4 Small Smooth Long, Side B 64391 Technic Panel Fairing # 4 Small Smooth Long, Side B Yellow 1
Technic Panel Fairing # 3 Small Smooth Long, Side A 64683 Technic Panel Fairing # 3 Small Smooth Long, Side A Yellow 1
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] 65304 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] Red 4
Technic Axle and Pin Connector Perpendicular 6536 Technic Axle and Pin Connector Perpendicular Black 8

Spare parts

Spare parts are displayed separately and do not affect missing-part analysis.

15 items
Photo Part number Name Color Quantity
Technic Link Tread with Beveled Edge 15379 Technic Link Tread with Beveled Edge Black 4
Technic Pin Connector Round 1L [Beam] 18654 Technic Pin Connector Round 1L [Beam] Black 1
Technic Pin Connector Round 1L [Beam] 18654 Technic Pin Connector Round 1L [Beam] Light Bluish Gray (LBG) 1
Tile 1 x 1 with Groove 3070b Tile 1 x 1 with Groove Red 1
Technic Pin 3/4 32002 Technic Pin 3/4 Tan 1
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced 32123b Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Yellow 1
Technic Bush 3713 Technic Bush Light Bluish Gray (LBG) 1
Technic Pin 1/2 4274 Technic Pin 1/2 Light Bluish Gray (LBG) 2
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black 1
Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye 58176 Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye Trans-Orange 1
Equipment Hose Nozzle / Gun with Side String Hole Simplified 60849 Equipment Hose Nozzle / Gun with Side String Hole Simplified Light Bluish Gray (LBG) 1
Technic Pin with Friction Ridges Lengthwise with No Center Slots 61332 Technic Pin with Friction Ridges Lengthwise with No Center Slots Black 2
Plate Round 1 x 1 with Solid Stud 6141 Plate Round 1 x 1 with Solid Stud White 1
Tile Round 1 x 1 98138 Tile Round 1 x 1 Trans-Clear 1
Tile Round 1 x 1 98138 Tile Round 1 x 1 Light Bluish Gray (LBG) 1

Minifigures in set

0 items
Photo Number Name Quantity
No minifigures assigned to this set.
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