With the train wheels on the DeLorean locked onto the tracks, there was no way he could turn to avoid a head-on collision! / The DeLorean had almost slowed to a complete stop by now, but the diesel showed no sign of changing speed. There, directly ahead of him, was a diesel engine headed his way. He looked down the tracks as the car swung around a narrow curve. Maybe, he realized, the crossing gates wouldn't close for something as small as a DeLorean. ' Marty heard a low, moaning sound - not an old-fashioned train whistle, but a modern diesel horn. The DeLorean is totaled in the collision. Marty can be seen escaping through the driver's door. The locomotive just before collision with the DeLorean. The S6 locomotive approaching the DeLorean time machine from Marty's point of view.