Bell has tried several incarnations of a twin version of its successful Bell 206 series, including the stillborn Bell 400 and 440 in the mid-1980s, and the limited-production Bell 206LT TwinRanger in the early 1990s.
Bell intentara varias encarnacións dunha versión de dous motores do seu exitosa serie Bell 206, incluídos os cancelados Bell 400 e 400 a mediados dos 80 e o fabricado en poucas cantidades Bell 206LT TwinRanger a principios dos 90.