4 cylinder turbo power pack 82.5hp continuous at 2600 RPM
4 cylinder diesel power pack 48.0hp continuous at 2700 RPM
diesel power pack 40hp countinuous at 2800 RPM
3 cylinder power pack 22HP at 3000 RPM continuous
4 cylinder diesel engine 72.1HP countinuous at 2600 RPM
The item you are attemping to add to compare is a different subtype to the items(s) in your list.
Only items of the same subtype may be compared.