It’s like Maury Povich — but on wheels.

A “Who’s Your Daddy’’ truck is cruising the city selling DNA tests to men who fear they may not really be their kids’ dads.

The RV has been the scene of moments straight out of daytime TV, driver Jared Rosenthal told The Post yesterday.

“It’s heartbreak hotel. It’s really, really tough sometimes,” said Rosenthal, who owns the RV and operates it for Health Street



