Car 251 is a combination passenger/baggage car. These cars were used to transport baggage and freight on passenger trains. Less than carload freight could be placed on these cars after the end of MD service. This car was built as a standard car in 1917, but in 1953 it was modernized and placed in the silverliner color scheme so it could run in matching silverliner consists. The modernization included new lower ceilings, new fish-eye lights, new seats, and other improvements. This car is operational, but only runs on special occasions such as members weekend or the trolley pageant.
| Builder | Year built | weight | seats | length | Width | Height |
| Jewett | 1917 | 91,000 | 24 | 56' | 8'8" | 12'5" |
