| 1937 HARBERT Dump Car Door Operating Mechanism |
| 1966 MEDLEY Dump Body Door Operating Mechanism |
| 1926 ARGYLE Dump Car Door Operating Mechanism |
| 1931 STREICH Dump Body Door Operating Mechanism |
| 1956 ENTPR Operating Head Dump Door Mechanism |
| 1922 ENTPR Dump Car Door Operating Mechanism |
| 1929 ENTPR Dump Car Door Operating Mechanism Art |
| 1922 NEIKIRK Dump Door Operating Mechanism Art |
| 1922 ARGYLE Dump Car Door Operating Mechanism |
| 1958 FORT Dump Vehicle Interlocking Door Mechanism |
| 1949 ENTPR Dump Car Door Operating Mechanism Art |
| 1956 ENTPR Dump Door Mechanism A Railway Car Art |
| 1926 ENTPR Dump Car Door Operating Mechanism Art |
| 1929 ARGYLE Dump Car Door Operating Mechanism |
| 1921 ARGYLE Dump Car Door Operating Mechanism |
| 1923 NAT DUMP CAR Dump Car Door Latching Mechanism |
| 1956 GUNNISON Operating Head Dump Door Mechanism |
| 1949 ZIMMER Dump Car Door Operating Mechanism |
| 1921 ENTPR Dump Car Door Operating Mechanism |
| 1956 DOREY Dump Door Mechanism A Railway Car Art |
| 1926 ARGYLE Dump Door Operating Mechanism Like |
| 1923 DAVID Dump Car Door Latching Mechanism Art |
| 1937 ILLINOIS Dump Car Door Operating Mechanism |
| 1922 RODGER Dump Door Operating Mechanism Art |
| 1926 ENTPR Dump Door Operating Mechanism Like |