WASHINGTON — Hillary Rodham Clinton’s campaign has unleashed hubby Bill on the money trail.

In a new stepped-up role for her White House bid, former President Bill Clinton is keeping a rigorous fundraising schedule this week to woo big donors and help build Hillary’s presidential war chest.

The 42nd president kicked off his swing with two private fundraisers in New York on Tuesday at the home of Barbaralee Diamonstein-Spielvogel and Carl Spielvogel, the former US ambassador to the Slovak Republic, and then on to an event hosted by Jay Snyder, a businessman and philanthropist.

His 20-stop national swing continues through December.

To gin up excitement for Bill’s new role, Hillary’s campaign announced a new fundraising plea for a chance to dine with the potential first gentleman. One supporter will win airfare, hotel and a special meal with him.