Fans of old vehicles … (10)

I believe the answer is:

extractors

I'm a little stuck... Click here to teach me more about this clue!

'fans' is the definition.
The definition and answer can be both man-made objects as well as being plural nouns.
Perhaps you can see an association between them that I don't see?

'old vehicles' is the wordplay.
'old' becomes 'ex' (prefix meaning former or onetime).
'vehicles' becomes 'tractors' (tractor is a kind of vehicle).
'ex'+'tractors'='EXTRACTORS'

'of' acts as a link.

Can you help me to learn more?

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.