Technic Gear Rack 1 x 4
About
Technic Gear Rack 1 x 4 (ref. 3743) is a LEGO part found in 127 sets of the catalog. These sets came out from 1977 to 2003. Themes of its sets: Technic, Educational and Dacta, Expert Builder. It comes in 6 colors.
Other color variants
6 variants
In sets 127
Sets 1 to 48 of 127, the latest first.
Pneumatic Crane Truck
Technology Resource Set
![ROBOLAB Team Challenge Set Version 2.5 [USB]](https://static.toytrust.app/brands/img/lego/sets/9794-1.jpg)
ROBOLAB Team Challenge Set Version 2.5 [USB]
Imperial Star Destroyer
Crane Truck
Williams F1 Team Racer
Special Elements for Amusement Park Set
ROBOLAB Amusement Park Set
![ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]](https://static.toytrust.app/brands/img/lego/sets/9793-1.jpg)
ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter]
Ultimate Builders Set
Robotics Invention System, Version 2.0
Aero Tube Hanger
Mechanical Engineering Set
Silver Champion
Cities and Transportation
ROBOLAB Amusement Park Set
Exploration Mars
Robotics Invention System, Version 1.5
ROBOLAB Team Challenge Set (Serial)
Small Gear Wheels
Robotics Invention System, Version 1.0
ROBOLAB Starter Building Set
Ferrari Formula 1 Racing Car
Gears & Differentials
Big Foot 4x4
Simple Mechanisms Set
Giant Truck
Plates & Gear Racks / Plates, Gear Racks etc.
Blue Fury
Front End Loader
Pneumatic Crane Truck / Mobile Crane
Control Centre / Control II
Technology Resource Set
Control Lab Building Set
Mach II Red Bird Rig
Coastal Patrol
Universal Set
Universal Set with Storage Case
F1 Racer
Off-Road Rambler
Dune Blaster
Super Car
Technology Activity Set
Gear Wheels Etc. / Gear Wheels, Worm Gears, Universal Joints and Gear Racks
Plates, Gear Racks
Magic Flash
Universal Pneumatic Set
Universal Building Set
Other parts of the set Pneumatic Crane Truck
Technic Pin with Friction Ridges Lengthwise and Center Slots
Technic Bush 1/2 Smooth with Axle Hole Reduced
Technic Bush
Plate 1 x 8
Technic Axle 6
Technic Beam 1 x 4 Thin with Stud Connector
Plate 1 x 6
Plate 1 x 4
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
Plate 1 x 2
Technic Axle 2 Notched
Technic Axle 4
Sources of the data of this element: Rebrickable
LEGO data from Rebrickable (rebrickable.com), building instructions from Brickset (brickset.com) and lego.com. LEGO® is a trademark of the LEGO Group of companies, which does not sponsor, authorize or endorse this site. Learn more