the displaced steam locomotives from electrified territory gave the PRR a surplus of locomotives, giving little incentive to develop more. The cast steel locomotive bed and Worthington feedwater heater both proved themselves, and they became a feature of most PRR steam locomotives built after the K5, and indeed those on many other railroads. Both locomotives were scrapped. References K5 Baldwin locomotives 4-6-2 locomotives Experimental locomotives Passenger locomotives Railway locomotives introduced in 1928 Steam locomotives of the United States Scrapped locomotives Standard gauge locomotives of the United States