Eagle and Pacemaker

They look different, but mechanically, the engines were the same. But the Eagle had a two-speed transmission, an advantage in hilly areas.

A Cushman RoadKing and an Eagle

This 1958 ad shows the Cushman Eagle in the foreground and a Road King in the background, followed by another Eagle. Notice the gear shift on the side of both models.
(Click the picture to enlarge.)

1957 Eagle

The Cushman Eagle was for serious riders. The Husky engine sat out in the open for better cooling. It had a comfortable seat with springs. Compare the front fork with the one in the next picture.