The locomotive, an old steam-driven Class 4 derelict, had appeared in the yard of the map following a corrupted patch. It was missing its entire front half—boiler, pistons, and wheels—leaving only the cab and the firebox floating eerily above the rails. Players called it the Half-Engine , a ghost in the machine that usually caused the game to crash.
Most diesel locomotives have 8 "Run" notches. Half: Usually Notch 4 or 5. Full: Notch 8. trainz half engine full