Had a junker CW Optimus, so whacked a Silverbolt head on, clipped some classics deluxe Megatron tank treads on, swapped the hands and voila... Big Red!
https://i.imgur.com/6CaKE4V.jpg
https://i.imgur.com/xjsAEJV.jpg
https://i.imgur.com/PFTRFLG.jpg
https://i.imgur.com/gAazokD.jpg