This ATV is a 2009 Honda Rancher AT 420 EFI 4x4. (TRX420FA) The Rancher AT is very different from the regular Rancher ES and S. The major differences are that the AT model is the only one with a fully automatic transmission and they are the only Rancher model with 4 wheel independant suspension.· 4 Stroke 420cc ultra reliable Honda engine with Electronic fuel injection (EFI)· Electric start· Reverse· 5 speed electric shift or switchable to full automatic transmission· 4x4 on demand