Topic: Rover sounds

I need some sounds for a clunky moon rover driving across the moon.
I've tried looking for sounds like "RC car" and stuff, but nothing good comes up.
Also some gravely sounds, like something being dragged in gravel, to be used for the rover driving across the gravely surface of the moon.

Spoiler (highlight to read)I know the moon isn't actually very gravely, it would just help make it sound better. :P