Model 55 Beechcraft Baron Curtiss Kingbird Frankfort and Cincinnati Model 55 Rail Car IBM PS/2 Model 55 LS IBM PS/2 Model 55 SX Learjet 55 M50 Reising M55 (disambiguation) Marlin Model 55 SIG MG 710-3 South Australian Railways Brill railcar Type 55 (disambiguation) Winchester Model 55