A minor problem today when a locomotive for the Texas State Railroad derailed slightly at a crossing behind Fields Chapel ...

A sand rail typically consists of a frame, engine and seat with no protective hood. See a picture of one at the Wikipedia entry for sand rails.

Rieman's sand rail was powered by a Cadillac NorthStar V-8 engine, Horton said. "It's the kind you find in a passenger car. The sand rail is going to weigh much less than a passenger vehicle.