The Ventrac 4500P Digital Fuel Injection model was built with you in mind. From the advanced electrical system, the Ventrac FlexFrame, more safety and comfort features; the 4500P offers the reliable performance, astounding versatility and comfortable handling you have come to expect.rnrnThe 4500P comes equipped with the Kawasaki FD851D engine, offering multi-port digital fuel injection (DFI) for increased fuel economy as well as choke-free operation.rnrnWhy DFI?rnrnFuel savings through digital fuel injection system up to 25%rnEasier startingrnRated for 30 degrees continuous operationrnNot affected by altitude