** Transport equipment maker Wabash National's WNC.N shares down 11% post-market to $11.94 as it seeks capital raise

** Indiana-based WNC announces private offering of $100 mln convertible bonds (CBs) due 2032

** Co intends to use net offering proceeds for general purposes, including paying down debt under credit agreement

** WNC shares closed up 3% at $13.42 on Tues for roughly $550 mln market cap

** At close, stock up 55% YTD