4003 ZEHD /Z / KIT Single Engine House with Doors Laser Cut / Single Stall Engine House Reminiscent of the early days of railroads the RS Laserkits Single Stall Engine House and Side Shop is a blend of several of the features seen on many of the short lines, logging bases, and mines throughout the country. These structures allowed typical maintenance and storage for a wide range of locomotive and rolling stock services. These scenes are reflected in the older photographs of yesteryears railroads. These kits have full inside framing.