The H54B class covered hoppers were built by Pullman Standard in 1972 as PC 890101-890500. 395 cars came to Conrail and became CR 890101-890500. Many cars were sold to BN and then sold again to RFMX. Many of these RFMX cars are still running around in PC green. Cars are rated at 100 tons, 4785, cuft & are 59ft 2in long.