Tulsa, Okla.-based Dollar Thrifty Automotive is refinancing its revolver through current leads, J.P. Morgan, Credit Suisse First Boston and Deutsche Bank. The operator of Dollar Rent-A-Car and Thrifty Rent-A-Car is looking for a $600 million one-year revolver, according to a banker. The spread is LIBOR plus 1% with a 1/4% commitment fee. The bank meeting was held Jan. 10 while Deutsche Bank is the documentation agent and CSFB and Morgan are co-leads and administration and syndication agents, respectively. Calls to Terri Willson Snow, executive director of investor relations, were not returned.