 | PREX engine 1616 in Decatur, IL. (July, 2008) |
 | PREX engine 3054 in Decatur, IL. (July, 2008) |
 | PREX engine 1609 in Mapleton, IL. (August, 2014) |
 | PREX engine 2003 at Bushnell, IL. (June, 2019) |
 | PREX engine 2035 at Bushnell, IL. (June, 2019) |
 | PREX engine 910 at Vandalia, IL. (December, 2024) |