I'll try to go take another looks, didn't really look all that closley at the winch or the truck. It was an electric Warn winch, looks pretty substantial but i've never owned a winch so IDK.
I'm pretty sure it was a early/mid 80's chevy. that was just a pic i found online to show it's one of the pickup based "mom/pop towing" sorta deals.

Just wondering if tow truck winches are usually around 2k or 10k pounds.

1989 Montero 4dr V6 3.0l