Gear Casings (Pack of 10 contained 20 prior to 2005 Dacta catalog)

Unknown Technic

The manufacturer has approved the data, but no images.

Manufacturer page

Source: Rebrickable. Data from Rebrickable (rebrickable.com)

Parts list (10 pieces, without spare parts)

How many times will you build it? Include spare parts

Select		Description	Color	Count
		Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides 6573	Dark Gray	10

Part images: LDraw library (ldraw.org), license CC BY 4.0. Part data: Rebrickable.