Union Pacific Scale Ca-4 Maintenance of Way Caboose #903019 Union Pacific Ca-4 CaboosesBeginning in the 1970, some Ca-3 and Ca-4 cabooses were retired from regular service and permanently assigned to non-revenue maintenance-of-way service. Their services might include derrick or crane duties, welded rail operations, or used as office cars. The need for non-revenue cabooses continued even after 1984 when their use on the mainline was no longer needed. Paint schemes varied from yellow to aluminum and light green. Lighting Smoke Unit SKU: 6-81967 Dimensions: Length: 10" Gauge: O Gauge price: 94.99 year: 2014 rail line: Union Pacific Minimum Radius: O31 Scale: Scale Catalog Year: 2014 Road Number: 903019 Die-cast metal trucks Hidden uncoupling tabs Separately applied metal underframe details Constant voltage smoke unit with ON/OFF switch Detailed and painted interior with train crew figures Interior LED illumination Opening doors Manuals Find the latest manuals in our support section. Replacement Parts Buy any replacement parts in our support section. Contact Contact a service station to fix your product