Keyframing an animated cycle in Harmony

I have a still cycle of a train that I’m trying to position keyframe to move across the frame. It’s only 3 frames but I don’t want to have to redraw them each time. I can’t however figure out how to keyframe them as a cycle. Is there a simpler way of going about it? I’m using Harmony Premium 17. Thanks.

You can copy and paste the frames.

Add a peg to the image layer and move it across the screen.

Would that work for your animation ?