China Railways AM3 Shanghai–Nanjing Railway Class 400
Locomotive number 401 of the Huning Railway
Type and origin Power type Steam Builder American Locomotive Company Build date 1923−1929 Total produced 26
Specifications Configuration: ​  • Whyte 4-4-0 Gauge 1,435 mm (4 ft 8+1⁄2 in)standard gauge Driver dia. 2,000 mm (78.74 in) Length 17,340 mm (56 ft10+5⁄8 in) Total weight 103.9 t (102.3 long tons; 114.5 short tons) Fuel type Coal Cylinders Two, outside
Career Operators Huning Railway Central China Railway China Railway Class HR: 400 series CR: ㄚㄇ3 (1951−1955) Number in class 26 Numbers HR: 401−426

TheChina Railways AM3 class steam locomotive was a class of4-4-0 "Eight-Wheeler" typesteam locomotives operated by theChina Railway, built by theAmerican Locomotive Company in theUnited States between 1923 and 1929.^[1]

Twenty-six of these locomotives were originally built for theHuning Railway.^[1] After the establishment of thepuppet government of theReformed Government of the Republic of China during theJapanese occupation, they were operated by theCentral China Railway, which had been created in 1939 to manage all railway operations in the territory of thecollaborationist government by nationalising all privately owned railways in the territory.^[2]

After the end of thePacific War, these locomotives were passed on to the Republic of China Railway. After the establishment of thePeople's Republic of China, China Railways designated them ㄚㄇ3 (AM3) class in 1951; the class was retired in 1955.^[1]

• 4-4-0 locomotives
• 2′B locomotives
• ALCO locomotives
• Railway locomotives introduced in 1923
• Scrapped locomotives
• Steam locomotives of China
• Standard-gauge locomotives of China
• Passenger locomotives