3003156 BLACK RIVER & WESTERN (MOW) 2-BAY OFFSET HOPPER-O QuickBooks Sprung operating diaphragms

Sprung operating diaphragms

Finished objects are lightweight and extremely durable

Over current and overload protected

•Realistic brickwork

yet the Modernized Double-Track Railroad Truss Bridge is tall enough to clear modern double-stacks and auto racks

3003156 BLACK RIVER & WESTERN (MOW) 2-BAY OFFSET HOPPER-O QuickBooks Sprung operating diaphragmsThe Association of American Railroads (AAR) developed a standard design for 50 ton and 70 ton twin offset open hopper cars starting in the late 1920s. The design was modified in the mid 1930s, and through 1960 over 127,000 cars had been built to AAR specifications. Eastern coal carriers amassed the largest fleets however, the twin offset hopper design was not limited to coal service, with ore and aggregates also being hauled. They could also be found