The SSLV was unique in that one of the locomotives used on this operation was a home built locomotive (the D-500) which used standard freight car trucks which were powered through a chain and sprocket drive from an International UD24 engine.
The SSLV was unique in that one of the locomotives used on this operation was home built (the D-500). The D-500 runs on standard locomotive tender trucks which are powered through a chain and sprocket drive from an International UD24 engine.