← The LEGO Parts Guide › Technic

Gears (40 parts)

Bring models to life using gears and racks to create movement.

Gears (40 parts)
Show:Current PartsAll
View:ScaleLabelTable
Part Name(Part Number)
Overall
Rank
# Pieces(Rank)
# Sets(Rank)
# Colors(Rank)
Years
Produced
8 Tooth10928
330
2379287
693269
11908
1977-202549 years
8 Tooth w/out Friction11955
4424
193591
74278
15780
2013-202513 years
12 Tooth69778
2454
881845
312098
15518
2022-20254 years
12 Tooth, Bevel6589
404
2244300
528352
71503
1995-202531 years
12 Tooth, Dbl. Bevel32270
438
2064315
722258
42559
1999-202527 years
14 Tooth, Thick Bevel69762
4083
193582
74278
24268
2022-20254 years
16 Tooth94925
513
1722361
397455
52144
1979-202547 years
16 Tooth, Dbl. Clutch18946
1576
318972
691388
15438
2015-202511 years
20 Tooth69779
2611
791931
242415
15531
2022-20254 years
20 Tooth, Dbl. Clutch81346
3817
203523
153079
15757
2022-20254 years
20 Tooth, Bevel32198
1155
3011002
143919
33142
1999-202527 years
20 Tooth, Dbl. Bevel32269
580
975512
389465
61770
1999-202527 years
20 Tooth Bevel w/ Pin Hole87407
1734
2171178
641433
15452
2010-202516 years
20 Tooth, Dbl. Clutch, Dbl. Bevel35185
2803
462436
312107
15593
2018-20258 years
22 Tooth, Thick Bevel69761
5034
104617
64651
16040
2022-20254 years
24 Tooth24505
433
1330438
481384
11912
1977-202549 years
28 Tooth, Dbl. Bevel46372
2489
552260
302142
24072
2019-20257 years
28 Tooth, Dbl. Bevel w/ Pin Hole65413
4578
124339
93927
15934
2020-20245 years
Differential Housing65414
3722
223374
153067
15735
2020-20256 years
28 Tooth, Differential62821
2117
881845
641440
15518
2008-202518 years
28-Tooth Turntable, Top99010
2067
1051688
601486
15490
2012-202514 years
28-Tooth Turntable Base99009
2045
1071661
611472
15486
2012-202514 years
60 Tooth Turntable, Top18938
2064
682061
461725
33229
2015-202511 years
60 Tooth Turntable, Base18939
2390
682063
461725
15551
2015-202511 years
36-Tooth, Dbl. Bevel32498
1510
1651366
791300
33167
2002-202423 years
40 Tooth3649
814
511753
164844
91163
1977-202549 years
1L Worm Gear27938
3097
402598
232489
15617
2017-20259 years
2L Worm Gear32905
717
520745
275599
81320
1985-202541 years
6L Worm Gear73763
3003
452463
153034
24090
2023-20253 years
N
2×2×1⅔ w/ Worm Gear Hole73764
3972
144040
113565
24360
2023-20253 years
N
6×6 15-Tooth ¼ Gear Ring78442
4213
163828
54892
33474
2021-20255 years
11×11 35-Tooth ¼ Gear Ring24121
2218
911800
162942
52230
2016-202510 years
4×4×1⅔ Gearbox6585
1499
1021710
881226
52221
1995-202531 years
2×4×3⅓ Gearbox6588
1855
722013
571525
42661
1995-202531 years
8 Tooth Gear w/ 1½L Axle24014
3246
402598
182788
15617
2016-202510 years
1×4 Rack3743
604
1167466
332521
52146
1977-202549 years
1×7 Rack w/ 2-Pin Holes & 2-Axle Holes87761
1909
1071661
851247
15486
2010-202516 years
1×13 Rack w/ 2-Pin Holes & 2-Axle Holes64781
2570
662081
322069
15553
2009-202416 years
1×14×2 Rack Housing18940
2722
273063
162974
61989
2015-20239 years
1×14×2 Rack w/ 4-Axle Holes & 7-Pin Holes18942
3384
332846
172882
15652
2015-202410 years

Subscribe for updates!

Join thousands of LEGO fans by subscribing to our monthly newsletter. It contains updates to the LEGO Parts Guide, exclusive subscriber content, and a roundup of the best LEGO news from around the web.

I give Brick Architect consent to send email using the information provided in this form.

What to expect: Brick Architect is committed to respecting your personal data and privacy, in accordance with our Privacy Policy. Please feel free to unsubscribe at any time using the link at the bottom of every email we send.

The LEGO Parts Guide is a work in progress

This is a handcrafted experience to help you browse LEGO parts in a simpler way. If you have ideas to make it better or encounter any issues, please send me an email at tom@tomalphin.com — Thanks!

Check out the About the LEGO Parts Guide page to learn more about why I created this guide. It also includes a detailed version history with images of early prototypes of this guide.


Support the LEGO Parts Guide

The LEGO Parts Guide is an extension of my LEGO Brick Labels project. If you want to support this project and gain access to behind-the-scenes updates, consider supporting the project at patreon.com.

The LEGO® Parts Guide. © 2025 Brick Architect LLC.
Content and design by Tom Alphin. Use of this content without permission is prohibited.
brickarchitect.com

Brick Architect earns a commission from qualifying purchases at partner sites such as LEGO.com and Amazon. (For a complete list of affiliate programs, visit About Brick Architect.)

LEGO® is a trademark of the LEGO Group which does not sponsor, authorize or endorse this site. As a member of the Recognized LEGO® Fan Media program, we abide by the LEGO Fair Play and Novelty policies by not sharing leaked photos of unreleased sets.

This guide uses external data from Rebrickable, BrickLink, Brickset, and LDraw.