Cross axle

From Brickipedia, the LEGO Wiki

The cross axle is a TECHNIC component. Its primary use is to transfer movement. Gears can be connected, which control the spinning of axles. It was introduced in lengths 4, 6, 8 and 12 in 1970 when LEGO released the first European gears.

Standard axle[edit | edit source]

Axle length 8
Length Piece Introduced
2 32062 (formerly 3704) 1977 (revised 1996)
3 4519 1983
4 3705 1970
5 32073 1995
6 3706 1970
7 44294 2003
8 3707 1970
9 60485 2009
10 3737 1977
11 23948 2016
12 3708 1970
16 50451 2004
32 50450 2004

Axle with stop[edit | edit source]

Axle with stopper, length 8

These parts have a stopper at the end. While their function can be mimicked with a standard axle with a bush at the end, these are a stronger and more compact solution.

Length Piece Introduced
3 24316 2016
4 87083 2010
5 15462 2014
8 55013 2006