Engineer James wrote: But, still I get conflicting reports that the GP38-2 cannot support a long train at a high rate of speed approaching a medium-sharp curve.Why is that? Maybe they were just speeding/highspotting buddy. With a good hog, with air threw the train anything is possible to some extent. I've ran a local train with one motor (SD 50) that had to many loaded cars for an engineer that relyed on the dynamic brakes a little too much to handle safely. I had no problem though, it was a rocket.