Engines with the OOO Wheel arrangements All items (18) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other A Arnold (Diesel) B Bob Unit 1 Bob Unit 2 Bob Unit 3 Bob Unit 4 Bob Unit 5 D Donald and Douglas F Felix The Cat Finn G Greg Heffley Gumball Watterson H Homer Simpson J Jay L Lee (Engine) M Mario P Phineas T The Factory Express Thomas Categories: Add category Cancel Save