
42131-1
Cat D11 Bulldozer
- Year
- 2021
- Theme
- Technic
- Pieces
- 231 lots · 3854 pieces
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Parts list (231)
Bricks Curved · 2 pcs
Bricks Round and Cones · 38 pcs
×6Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end
Light Bluish Gray· 25214
×2Brick Round 2 x 2 D. Tube with 45° Elbow and Axle Holes (Crossholes) at Each End [SHORT]
Black· 65473
×24Brick Round 2 x 2 with Axle Hole
Black· 3941
×6Brick Round 2 x 2, Pin Holes
Black· 17485
Bricks Sloped · 3 pcs
Electronics · 5 pcs
Large Buildable Figures · 6 pcs
Plates · 12 pcs
Plates Round Curved and Dishes · 22 pcs
Plates Special · 12 pcs
×2Plate Special 1 x 2 with Pin Hole Underneath
Black· 18677
×6Plate Special 1 x 2 with Pin Hole Underneath
Light Bluish Gray· 18677
×1Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper)
Light Bluish Gray· 34103
×1Plate Special 4 x 4, Studs on One Edge Plain]
Yellow· 6179
×2Plate Special Round 2 x 2 with Center Stud (Jumper Plate)
Light Bluish Gray· 18674
Stickers · 1 pcs
Technic Axles · 379 pcs
×2Technic Axle 10
Red· 3737
×7Technic Axle 11
Light Bluish Gray· 23948
×5Technic Axle 12
Black· 3708
×2Technic Axle 16
Black· 50451
×104Technic Axle 2 Notched
Red· 32062
×98Technic Axle 3
Light Bluish Gray· 4519
×7Technic Axle 3 with Stop
Reddish Brown· 24316
×4Technic Axle 3 with Stud
Dark Tan· 6587
×26Technic Axle 4
Black· 3705
×26Technic Axle 4 with Stop
Dark Bluish Gray· 87083
×44Technic Axle 5
Yellow· 32073
×14Technic Axle 5 with Stop
Reddish Brown· 15462
×2Technic Axle 5.5 with Stop [Rounded Short End]
Dark Bluish Gray· 59426
×7Technic Axle 6
Red· 3706
×14Technic Axle 7
Light Bluish Gray· 44294
×11Technic Axle 8
Black· 3707
×4Technic Axle 8 with Stop
Dark Bluish Gray· 55013
×2Technic Axle 9
Yellow· 60485
Technic Beams · 784 pcs
×5Technic Beam 1 x 11 Thick
Light Bluish Gray· 32525
×18Technic Beam 1 x 11 Thick
Yellow· 32525
×22Technic Beam 1 x 11 Thick with Alternating Holes
Black· 73507
×4Technic Beam 1 x 11.5 Double Bent Thick
Yellow· 32009
×3Technic Beam 1 x 13 Thick
Black· 41239
×11Technic Beam 1 x 13 Thick
Dark Bluish Gray· 41239
×8Technic Beam 1 x 15 Thick
Black· 32278
×20Technic Beam 1 x 15 Thick
Yellow· 32278
×18Technic Beam 1 x 15 Thick with Alternating Holes
Black· 71710
×12Technic Beam 1 x 2 Thick
Black· 43857
×4Technic Beam 1 x 2 Thick
Light Bluish Gray· 43857
×30Technic Beam 1 x 2 Thick
Yellow· 43857
×38Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole
Black· 60483
×7Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole
Orange· 60483
×50Technic Beam 1 x 2 Thin
Black· 41677
×9Technic Beam 1 x 3 Thick
Black· 32523
×16Technic Beam 1 x 3 Thick
Dark Bluish Gray· 32523
×3Technic Beam 1 x 3 Thick
Light Bluish Gray· 32523
×35Technic Beam 1 x 3 Thick
Yellow· 32523
×4Technic Beam 1 x 3 Thin
Black· 6632
×27Technic Beam 1 x 3 Thin
Yellow· 6632
×22Technic Beam 1 x 4 Thin
Black· 32449
×2Technic Beam 1 x 4 Thin
Light Bluish Gray· 32449
×7Technic Beam 1 x 5 Thick
Black· 32316
×12Technic Beam 1 x 5 Thick
Light Bluish Gray· 32316
×30Technic Beam 1 x 5 Thick
Yellow· 32316
×14Technic Beam 1 x 5 Thin with Axle Holes on Ends
Black· 11478
×35Technic Beam 1 x 5 Thin with Axle Holes on Ends
Yellow· 11478
×8Technic Beam 1 x 6 Thin
Black· 32063
×4Technic Beam 1 x 6 Thin
Light Bluish Gray· 32063
×14Technic Beam 1 x 6 Thin
Yellow· 32063
×2Technic Beam 1 x 7 Bent (4 - 4) Thick
Black· 32348
×1Technic Beam 1 x 7 Bent (4 - 4) Thick
Light Bluish Gray· 32348
×17Technic Beam 1 x 7 Thick
Black· 32524
×2Technic Beam 1 x 7 Thick
Light Bluish Gray· 32524
×45Technic Beam 1 x 7 Thick
Yellow· 32524
×1Technic Beam 1 x 7 Thin
White· 32065
×11Technic Beam 1 x 9 Bent (6 - 4) Thick
Yellow· 6629
×2Technic Beam 1 x 9 Bent (7 - 3) Thick
Dark Bluish Gray· 32271
×7Technic Beam 1 x 9 Thick
Black· 40490
×8Technic Beam 1 x 9 Thick
Light Bluish Gray· 40490
×9Technic Beam 1 x 9 Thick
Yellow· 40490
×6Technic Beam 2 x 3 L-Shape with Quarter Ellipse Thick
Yellow· 71708
×18Technic Beam 2 x 4 L-Shape Thick
Black· 32140
×3Technic Beam 2 x 4 L-Shape Thick
Light Bluish Gray· 32140
×49Technic Beam 2 x 4 L-Shape Thick
Yellow· 32140
×2Technic Beam 3 x 3 L-Shape Thin
Black· 32056
×4Technic Beam 3 x 3 L-Shape Thin
Light Bluish Gray· 32056
×1Technic Beam 3 x 3 L-Shape Thin
Red· 32056
×3Technic Beam 3 x 3 L-Shape Thin
Yellow· 32056
×11Technic Beam 3 x 3 T-Shape Thick
Yellow· 60484
×10Technic Beam 3 x 5 L-Shape Thick
Black· 32526
×13Technic Beam 3 x 5 L-Shape Thick
Light Bluish Gray· 32526
×30Technic Beam 3 x 5 L-Shape Thick
Yellow· 32526
×2Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin
Dark Bluish Gray· 32250
×20Technic Beam Triangle Thin [Type II]
Yellow· 99773
×6Technic Connector Beam 3 x 3
Black· 39793
×9Technic Connector Beam 3 x 3
Yellow· 39793
Technic Beams Special · 18 pcs
×1Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes]
Light Bluish Gray· 14720
×3Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes]
Yellow· 14720
×3Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick
Light Bluish Gray· 64178
×6Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick
Light Bluish Gray· 64179
×4Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick
Yellow· 64179
×1Technic Beam Frame 7 x 11
Black· 39794
Technic Bricks · 2 pcs
Technic Bushes · 54 pcs
Technic Connectors · 567 pcs
×1Clutch Inner Side with Axle Connector
Dark Bluish Gray· 46835
×1Clutch Outer Side with Axle Connector
White· 46834
×41Technic Axle and Pin Connector Angled #1
Black· 32013
×4Technic Axle and Pin Connector Angled #1
Light Bluish Gray· 32013
×16Technic Axle and Pin Connector Angled #2 - 180°
Black· 32034
×3Technic Axle and Pin Connector Angled #4 - 135°
Dark Bluish Gray· 32192
×2Technic Axle and Pin Connector Angled #5 - 112.5°
Light Bluish Gray· 32015
×11Technic Axle and Pin Connector Angled #6 - 90°
Black· 32014
×9Technic Axle and Pin Connector Block 4 x 3 x 2 1/2 [Linear Actuator Holder]
Dark Bluish Gray· 61904
×34Technic Axle and Pin Connector Perpendicular
Light Bluish Gray· 6536
×40Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes
Black· 42003
×2Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes
Yellow· 42003
×18Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole
Yellow· 32184
×9Technic Axle and Pin Connector Perpendicular Double
Black· 32291
×2Technic Axle and Pin Connector Perpendicular Double
White· 32291
×8Technic Axle and Pin Connector Perpendicular Double Split [Reinforced]
Black· 69819
×2Technic Axle and Pin Connector Perpendicular Split
Black· 92907
×2Technic Axle and Pin Connector Perpendicular Split
Light Bluish Gray· 92907
×15Technic Axle and Pin Connector Perpendicular Triple
Light Bluish Gray· 63869
×61Technic Axle Connector Smooth [with x Hole + Orientation]
Black· 59443
×22Technic Axle Connector Smooth [with x Hole + Orientation]
Dark Bluish Gray· 59443
×8Technic Axle Connector with Axle Hole [Reinforced]
Black· 42135
×4Technic Axle Connector with Axle Hole [Reinforced]
Dark Bluish Gray· 42135
×2Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]
Black· 42195
×10Technic Driving Ring Connector Smooth [2 rounded and 2 flat side walls]
Light Bluish Gray· 42195
×2Technic Pin Connector Hub Perpendicular 3 x 3 Bent with 4 Pins (Pin Ridges Along Part)
Light Bluish Gray· 49130
×4Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes)
Light Bluish Gray· 65489
×12Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge]
Black· 65487
×72Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge]
Yellow· 65487
×6Technic Pin Connector Hub with 2 Axles
Dark Bluish Gray· 27940
×7Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes]
Light Bluish Gray· 44874
×2Technic Pin Connector Perpendicular 2 x 2 Bent
Black· 44809
×2Technic Pin Connector Round [Slotted]
Flat Silver· 62462
×38Technic Pin Connector Round [Slotted]
Yellow· 62462
×61Technic Pin Connector Round 1L [Beam]
Black· 18654
×6Technic Pin Connector Round 1L [Beam]
Light Bluish Gray· 18654
×18Technic Pin Connector Round 1L [Beam]
White· 18654
×4Technic Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes
Black· 87408
×1Wire Clip with Axle Hole
Blue· 49283
×1Wire Clip with Axle Hole
Green· 49283
×2Wire Clip with Axle Hole
Red· 49283
×2Wire Clip with Axle Hole
Yellow· 49283
Technic Gears · 134 pcs
×1Gear Shifter
Orange· 35188
×2Technic Driving Ring 3L
Dark Bluish Gray· 18947
×2Technic Driving Ring Extension, 8 Ridges
Yellow· 35186
×18Technic Gear 12 Tooth Bevel
Tan· 6589
×17Technic Gear 12 Tooth Double Bevel
Black· 32270
×14Technic Gear 16 Tooth Reinforced [New Style]
Light Bluish Gray· 94925
×15Technic Gear 16 Tooth with Clutch on Both Sides
Red· 18946
×24Technic Gear 20 Tooth Bevel
Tan· 32198
×2Technic Gear 20 Tooth Bevel with Pin Hole
Light Bluish Gray· 87407
×3Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]
Black· 18575
×6Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]
Tan· 18575
×1Technic Gear Differential with Inner Tabs and Closed Center, 28 Bevel Teeth [Beveled Edge]
Dark Bluish Gray· 62821b
×8Technic Gear Rack 1 x 13 with Axle and Pin Holes
Black· 64781
×2Technic Gear Rack 1 x 14 x 2 Housing
Dark Bluish Gray· 18940
×2Technic Gear Rack 1 x 14 x 2 with Axle and Pin Holes
Dark Bluish Gray· 18942
×6Technic Tread Sprocket Wheel Large Diameter 7 Holes, 14 Tooth
Yellow· 42529
×4Technic Turntable Small Base, 28 Tooth
Black· 99010
×4Technic Turntable Small Top
Light Bluish Gray· 99009
×3Technic Worm Gear Short
Dark Bluish Gray· 27938
Technic Panels · 81 pcs
×8Technic Panel 3 x 11 x 1
Black· 15458
×16Technic Panel 3 x 11 x 1
Yellow· 15458
×6Technic Panel 3 x 7 x 1
Black· 71709
×15Technic Panel 3 x 7 x 1
Yellow· 71709
×6Technic Panel 5 x 11 x 1
Yellow· 64782
×8Technic Panel 5 x 11 x 1 Tapered
Black· 18945
×6Technic Panel 5 x 11 x 1 Tapered
Yellow· 18945
×4Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface
Yellow· 11954
×2Technic Panel Fairing #1 Small Smooth Short, Side A
Yellow· 87080
×2Technic Panel Fairing #2 Small Smooth Short, Side B
Yellow· 87086
×2Technic Panel Fairing #21 5L Small Smooth, Side B
Black· 11946
×2Technic Panel Fairing #21 5L Small Smooth, Side B
Yellow· 11946
×2Technic Panel Fairing #22 5L Small Smooth, Side A
Black· 11947
×2Technic Panel Fairing #22 5L Small Smooth, Side A
Yellow· 11947
Technic Pins · 1454 pcs
×84Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle
Red· 11214
×23Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle
Black· 18651
×150Technic Axle Pin with Friction Ridges Lengthwise
Blue· 43093
×7Technic Axle Pin without Friction Ridges Lengthwise
Tan· 3749
×1Technic Axle Towball
Light Bluish Gray· 2736
×32Technic Pin 1/2 without Friction Ridges
Blue· 4274
×3Technic Pin 3/4
Tan· 32002
×20Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole]
Light Bluish Gray· 65304
×26Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole]
Red· 65304
×390Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot
Blue· 42924
×6Technic Pin Long without Friction Ridges, with Anti-Roll Notch
Tan· 39888
×5Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole
Red· 66906
×707Technic Pin with Friction Ridges Lengthwise with No Center Slots
Black· 61332
Technic Special · 122 pcs
Technic Steering, Suspension and Engine · 61 pcs
×12Technic Engine Connecting Rod
Light Bluish Gray· 2852
×2Technic Engine Crankshaft
Yellow· 2853
×5Technic Engine Crankshaft Center
Tan· 2854
×12Technic Engine Cylinder without Side Slots, with Bottom Slots
Light Bluish Gray· 2850b
×12Technic Engine Piston Round
Yellow· 2851
×2Technic Steering / CV Ball Joint Female with 3L Axle
Dark Bluish Gray· 52730
×2Technic Steering / CV Ball Joint Male 3L
Light Bluish Gray· 52731
×2Technic Steering / CV Ball Joint, Cardan Ball with Cross Hole 3L
Light Bluish Gray· 77590
×2Technic Steering Arm 5 x 1 with Towball Socket (Type2)
Yellow· 31794
×2Technic Steering Wheel Hub with Planetary Gear Reduction
Light Bluish Gray· 46490
×8Technic Universal Joint 3L [Complete Assembly]
Light Bluish Gray· 61903
Tiles · 10 pcs
Tiles Round and Curved · 10 pcs
Tiles Special · 20 pcs
Wheels and Tyres · 57 pcs
Spare parts
×1Plate 1 x 1
Black· 3024
×1Plate Round 1 x 1 with Solid Stud
Red· 6141
×2Technic Bush
Red· 3713
×2Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Yellow· 32123b
×2Technic Pin Connector Round 1L [Beam]
Black· 18654
×1Technic Pin Connector Round 1L [Beam]
Light Bluish Gray· 18654
×2Technic Pin Connector Round 1L [Beam]
White· 18654
×3Technic Pin 1/2 without Friction Ridges
Blue· 4274
×1Technic Pin 3/4
Tan· 32002
×6Technic Pin with Friction Ridges Lengthwise with No Center Slots
Black· 61332
×3Technic Link Tread 7L Wide with Two Pin Holes
Yellow· 69910
×1Tile Round 1 x 1
Trans-Clear· 98138
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![Brick Curved 2 x 1 No Studs [1/2 Bow] Light Bluish Gray](https://cdn.rebrickable.com/media/parts/elements/6028813.jpg)














![Dish 3 x 3 Inverted [Radar] Black](https://cdn.rebrickable.com/media/parts/elements/4180087.jpg)
![Dish 3 x 3 Inverted [Radar] Red](https://cdn.rebrickable.com/media/parts/elements/4179584.jpg)

![Sticker Sheet for Set 42131-1 [No Color/Any Color]](https://cdn.rebrickable.com/media/parts/photos/9999/77607-9999-3a93e9ef-4a3c-435e-9d8d-c4d8479724c8.jpg)

![Technic Linear Actuator with Dark Bluish Gray Ends [Black Version] Black](https://cdn.rebrickable.com/media/parts/elements/6368625.jpg)









![Technic Wedge Belt Wheel [aka Pulley] Yellow](https://cdn.rebrickable.com/media/parts/elements/418524.jpg)



