The QJ (Chinese: 前进; pinyin: Qián Jìn; lit. 'To go forward" or "to advance') was a type of heavy freight steam locomotive introduced in 1956 by the China Railway. The majority were built by Datong Locomotive Factory.

前进型蒸汽机车 （QJ），是 中国铁路 使用的 蒸汽机车 车型之一，由大連機車廠設計，首台机车在1956年9月制成。 前進型蒸汽機車是中國第一次自行設計、製造的大功率幹線貨運蒸汽機車。 是國產蒸汽機車中產量最大的機型。 最后一台机车（车号7207）於1988年12月21日出厂。 雖然前進型主為貨運，但隨著客車編組增加， 人民型蒸汽機車 的功率不敷使用，不少幹線客運也能看到前進型的身影。 1954年11月起，铁道部调集工程技术人员到 大连机车车辆厂 在 苏联 专家的指 …

前进型 蒸汽机车 是中国第一次自行设计制造的大功率干线 货运机车，代号 QJ （曾称和平型，代号HP；反帝型，代号FD）。 1956年由大连厂设计并制造，1958年到1961年，大同、 沈阳 、 长春 、 唐山 、牡丹江等厂曾制造了42台机车 （其中9台为老六轴 煤水车，其他为四轴煤水车）。 前进型蒸汽机车的结构特点是：⑴锅炉为内火箱无 燃烧室 的全电焊结构；⑵采用 铸钢 汽缸、 分动式汽阀 和工字型滑板 十字头，主要运动杆件均采用 滚动轴承；⑶采用自动调整 楔铁 装置，安 …

After steam operations on the Chinese State Railways officially ended in 2002, the last of them disappeared from the main lines in 2003. However, the private JiTong Railway used the QJ to transport coal on its 945 km long line in Inner Mongolia until 2005 and it was also used by industrial companies until around 2010.

The QJ (a derivation of the Soviet LV class) was the last Chinese steam design to go into production and was the most numerous steam class to run in China. The first prototypes were introduced in 1956. Eventually more than 4,700 QJs were …

The QJ Class 2-10-2 is a icon for steam locomotives of China and was introduced in 1956. It was based on Russia’s FD Class 2-10-2s of the 1930s and their later LV Class 2-10-2s of the 1940s. Over 4714 QJ’s were built between 1956 right to 1988 as they where the last big modern mainline steam locomotives to be built in greater number in the ...

The QJ Santa Fes were built in by far the biggest numbers of any post-Revolution locomotive class. Compared to the Russian-supplied FDs, the QJs had a much higher superheat ratio in a boiler about the same size.

On the 24th of May 2008 QJ 7040 now 2008 made her debut hauling her first train in the United States of America which was a train load of sand from Louisville to Lexington. After this first run operations with 7040 were limited as the locomotive was steamed only once or twice a year.

The QJ was a type of heavy freight steam locomotive used by China Railways. The majority were made by Datong locomotive factory. The prototypes and early production of the class were designated HP, being redesignated as FD class during the cultural revolution before becoming the QJ class in 1971.

Experience one of the most powerful Chinese locomotives ever made with the China Railway QJ class locomotive. Used by China Railways from the 1970s, the QJ was a type of mainline heavy freight train.