& 559 were rebuilt October 1959. Type III — The steam generator and water tank were removed and got a concrete block instead. Headlights were replaced with a twin sealed beam headlights. They all received a raised area around the stack. Units rebuilt in early 1962 - #517, 520, 523, 527, 528, 534, 535, 537, 538, 545, 548, 557, & 558. The New Haven RR itself rebuilt two units at their Lamberton Street Shop, numbers #542 & 543. These units kept their steam generators and single bulb headlights, but were not upgraded to nose mounted Multiple Unit capability. Repainted in the black cab/orange hood paint scheme. The remaining 21 New Haven RS-3's were never rebuilt. Green Bay and Western RS-20 In 1975, the Green Bay and Western Railroad started rebuilding their four RS-3 units numbers 306, 307, 308 & 309. They lowered the nose and raised the long hood for the Alco 251e 2,000 hp engines. These rebuilds are called RS-20s. RS3u The Delaware and Hudson Railway had eight RS3u locomotives that were rebuilt by Morrison-Knudsen between December 1975 and March 1976. They received ALCO 12-251C prime movers, boosting horsepower from . M-K raised the long hood , moved the dynamic brake to behind the cab and cut-down the short hood. RS-3m units today As of 2021, rebuilt RS-3s can be found in museums, on shortlines and as industrial switchers. Cape May Seashore Line Railroad — A former Conrail RS-3m locomotive, formerly Pennsylvania Railroad 8481. Pictured at right. Danbury Museum, The — #605 occasionally is used to run an in yard passenger train. Housatonic Railroad, The — (HRRC), based in Canaan, Connecticut purchased an RS-3m, number 9935, from Conrail in 1986. As of 2018 out of service. Maryland and Delaware Railroad, The — owns three former Conrail units, numbered 1201 an ex Delaware Lackawanna #911, ex Erie-Lackawanna #1049, ex Conrail # 5265/9999. 1202 an ex Conrail RS-3m #9926, ex Erie Lackawanna RS-3 #1040, and 1203 an ex Erie-Lackawanna #1052 RS-3, ex Conrail #9942 RS-3M. Michigan Southern Railroad aka Pioneer Railcorp — had an RS3m stored OOS on their property. Scrapped December 2011. Midland Railway — MKT #142 in Baldwin City, Kansas. Pictured at right. Rochester & Genesee Valley Railroad Museum, The — has an operating RS3M nicknamed 'Hammerhead' painted as Lehigh Valley 211. Western New York & Pennsylvania Railroad — D&H #506 survives at the WNY&P as number 406. External