3004151 INTERSTATE 2-BAY OFFSET HOPPER 2-RAIL-O QuickBooks •Instructions

•Instructions

Accurately models special CPKC paint scheme

and rapids

All Metal Wheels

the basic system that held its wheels in equalized contact with the rails was patented by a Philadelphian named Joseph Harrison

3004151 INTERSTATE 2-BAY OFFSET HOPPER 2-RAIL-O QuickBooks •InstructionsThe 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