CRRC Ziyang
A CRRC subsidiary that manufactures and modernizes locomotives, engines, specialized rail vehicles and related industrial equipment.
Last updated October 9, 2026
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Overview
CRRC Ziyang is a Chinese rail-transit equipment manufacturer based in Ziyang, Sichuan Province, and a subsidiary of CRRC Corporation Limited. The enterprise was established in 1966 and developed from a locomotive production plant into a diversified engineering business serving national railways, industrial railways and overseas railway operators. Its historical manufacturing base has centered on diesel and electric locomotives, while its later portfolio has expanded to hybrid and battery-powered locomotives, specialized rail vehicles, engines, generator sets, forged and cast components, locomotive modernization and maintenance, and power-station engineering. The company's early development focused on diesel traction. It produced its first shunting diesel locomotive in 1973 and its first mainline diesel locomotive in 1983. During the 1990s and 2000s, CRRC Ziyang increasingly pursued exports, beginning with the overseas commercialization of the CK5 diesel locomotive in 1992 and the delivery of mainline locomotives to Vietnam in 2001. The company subsequently supplied diesel locomotives to customers in Asia, Africa, the Americas and Australia. Its exported products have included locomotives for national railways, mining, metallurgy, petrochemical operations and other heavy industries. The company has stated that it has produced more than 7,000 locomotives and exported more than 1,000 diesel locomotives to over 30 countries, although the applicable reporting periods for those cumulative figures are not specified in the available material. Following the 2015 merger of China CNR and CSR into CRRC, the enterprise adopted the name CRRC Ziyang Co., Ltd. Within the CRRC group, it has been positioned as a specialist and advanced rail-transit equipment enterprise rather than solely as a conventional locomotive factory. Its locomotive activities cover new manufacture, overhaul and modernization, electric and diesel traction, hybrid propulsion and other energy-saving technologies. Its new-mode rail-transit work includes suspended monorail trains, rack-and-pinion locomotives and other specialized vehicles. It also maintains an industrial-engine business involving locomotive, marine, gas and diesel engines, generator sets and power-station engineering, together with large crankshafts, castings, forgings and other engine components. Technology development has been an important part of the company's identity. CRRC Ziyang operates a national-level technology center and has held accreditation associated with national laboratory and measurement capabilities. The reference material also identifies certification to ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 management systems. Product-development milestones include high-power AC electric locomotives, AC-transmission diesel locomotives, hybrid locomotives, battery locomotives and China's first proprietary rack-and-pinion train. In 2020, its self-developed high-power hybrid locomotive became the first hybrid locomotive in China to receive a type certificate and manufacturing license from the State Railway Administration, according to the cited reference material. In the 2020s, CRRC Ziyang has continued combining domestic green-traction development with international locomotive exports. It completed a hybrid modernization project for older diesel locomotives in 2021, delivered commercial HXN6 hybrid locomotives in 2022, supplied 30 high-power mainline freight locomotives to Turkmenistan in 2023, and exported high-power narrow-gauge AC locomotives to Sierra Leone in 2024. The available sources do not establish a separate consumer-facing brand strategy or a current executive roster; the company's public identity is principally that of an industrial subsidiary within the CRRC rail-equipment group.
History
CRRC Ziyang was established in 1966 in Ziyang, Sichuan, as a locomotive manufacturing enterprise. Its first major product-development milestone came in 1973, when it successfully trial-produced a shunting diesel locomotive. A decade later, it trial-produced its first mainline diesel locomotive, establishing capabilities beyond industrial shunting applications. The company began international commercialization in 1992 with exports of the CK5 diesel locomotive. In 2001, it supplied its first batch of ten mainline locomotives to Vietnam, marking its entry into the overseas mainline diesel-locomotive market. The company describes the 2006 export of Chinese locomotive-manufacturing technology as another important international step. Its export footprint later extended across Asia, Africa, the Americas and Australia, with applications in national railway, mining, metallurgy, petrochemical and other industrial systems. Product development broadened during the 2000s and 2010s. The first HXD high-power AC electric locomotive left the assembly line in 2009, and an AC-transmission diesel locomotive was exported to a developed-country market in 2011. In 2012, the company's first power-station EPC project was completed. The 700th exported diesel locomotive was produced in 2014. In 2015, CRRC Ziyang completed a high-power hybrid locomotive described in the reference material as the world's most powerful at that time. The 2015 merger of China CNR and CSR created CRRC, and the company changed its name to CRRC Ziyang Co., Ltd. The post-merger business has covered locomotive production and modernization, maintenance, hybrid traction, new-mode rail transit, engines, generator sets, power-station engineering and large forged or cast components. In 2016, it produced a commercialized suspended monorail, promoted as Panda Air Rail. In 2017, the CDD6A1 meter-gauge diesel locomotive was exported to South America. In 2018, an overseas substation project in Bangladesh was handed over and entered commercial operation. The company continued investing in lower-emission propulsion. A 28-ton battery locomotive was completed in 2019. In August 2020, its self-developed high-power hybrid locomotive became the first hybrid locomotive in China to receive both a type certificate and manufacturing license from the State Railway Administration, according to the cited source. In 2021, the company completed a hybrid modernization program for older diesel locomotives, combining existing rolling-stock assets with newer propulsion technology. In 2022, CRRC Ziyang rolled out China's first proprietary rack-and-pinion train and delivered its first commercialized HXN6 hybrid locomotives. International activity remained significant: in 2023, it completed a 30-locomotive high-power freight order for Turkmenistan, described as its largest export order there in a decade. In 2024, it exported high-power narrow-gauge AC locomotives to Sierra Leone, with the reference describing their middle-corridor configuration as a global first. The company maintains a national-level technology center and has held national laboratory and measurement-related capabilities. Its cited management certifications include ISO 9001:2015 for quality, ISO 14001:2015 for environmental management and ISO 45001:2018 for occupational health and safety. Available reference material does not identify current or former senior executives, financial results or a standalone listed status for CRRC Ziyang.
- 2024
Narrow-gauge AC locomotive export to Sierra Leone
[1]The company exported high-power narrow-gauge AC locomotives to Sierra Leone.
- 2023
Turkmenistan freight-locomotive order
[1]Thirty high-power mainline freight locomotives were delivered to Turkmenistan.
- 2022
Rack-and-pinion train and HXN6 deliveries
[1]The company rolled out a proprietary rack-and-pinion train and delivered commercialized HXN6 hybrid locomotives.
- 2020
Hybrid locomotive receives Chinese certification
[1]A self-developed high-power hybrid locomotive received a type certificate and manufacturing license from the State Railway Administration.
- 2019
28-ton battery locomotive
[1]A 28-ton battery-powered locomotive was completed as part of the company's new-energy locomotive program.
- 2016
Commercial suspended monorail
[1]The company produced a commercialized new-energy suspended monorail vehicle known as Panda Air Rail.
- 2015
Name change following CRRC formation
[1]Following the merger of China CNR and CSR into CRRC, the company adopted the CRRC Ziyang name.
- 2009
First HXD high-power AC electric locomotive
[1]The first HXD high-power AC electric locomotive left the assembly line.
- 2001
Mainline locomotive exports to Vietnam
[1]The company exported ten mainline locomotives to Vietnam, entering the overseas mainline diesel-locomotive market.
- 1992
First commercialized diesel-locomotive export
[1]The CK5 became the company's first diesel locomotive to be commercialized for overseas export.
Products and positioning
Specialized and advanced rail-transit equipment manufacturing, with emphasis on locomotives, green propulsion, heavy-industrial applications, modernization services and international project delivery.
Diesel-hydraulic locomotive · 1992
CK5 and CK5C diesel locomotives
The CK5 family represents CRRC Ziyang's diesel-hydraulic locomotive range. These locomotives are associated with shunting and industrial railway duties, where compact traction, switching capability and suitability for non-mainline operations are important. The CK5 also has historical significance as the company's first commercialized diesel-locomotive export platform.
Diesel-hydraulic locomotive
GK1C diesel locomotive
The GK1C is part of the company's diesel-hydraulic locomotive portfolio. It is intended for industrial and shunting applications rather than high-speed passenger service, supporting railway users that require dependable switching and yard traction.
AC-DC diesel locomotive
SDD and CKD diesel locomotive platforms
This group includes models such as SDD10, SDD1, SDD2, SDD3, SDD22, SDD23, CKD6E, CKD7F, CKD9A, CKD9C and DF8B. The platform covers diesel-electric locomotives for mainline freight, industrial railway and specialized operating conditions, with model variants adapted to different gauges, power requirements and customer specifications.
Meter-gauge diesel locomotive · 2017
CDD6A1 diesel locomotive
The CDD6A1 is a meter-gauge diesel locomotive developed for railway systems that do not use China's standard-gauge network. Its export to South America in 2017 illustrates CRRC Ziyang's adaptation of locomotive products to overseas infrastructure and operating requirements.
AC diesel locomotive
SDA1 and SDA4 diesel locomotives
The SDA1 and SDA4 platforms are AC diesel locomotives within the company's export-oriented product range. They are associated with heavy-duty traction and customer-specific railway applications, including international markets requiring AC transmission.
Diesel multiple unit
HD100A and HD100B
HD100A and HD100B are diesel multiple-unit products listed in CRRC Ziyang's portfolio. They extend the company's capabilities from locomotive-hauled traction into self-propelled passenger or mixed railway formations, although detailed technical specifications and operating customers are not identified in the available reference.
Hybrid locomotive · 2022
HXN6 hybrid locomotive
The HXN6 is a commercial hybrid locomotive developed for lower-emission rail operations. It forms part of CRRC Ziyang's new-energy strategy and was delivered commercially in 2022. The company's hybrid work also includes modernization of existing diesel locomotives, allowing operators to improve propulsion efficiency without replacing entire fleets.
Battery-electric locomotive · 2019
Battery locomotive
CRRC Ziyang completed a 28-ton battery locomotive in 2019. The product reflects the company's effort to apply non-diesel propulsion to suitable shunting, industrial and short-distance railway duties, where charging arrangements and duty cycles can support battery operation.
Railway and industrial power equipment
Engines, generator sets and forged components
Beyond complete rail vehicles, CRRC Ziyang produces locomotive and marine engines, diesel and gas engines, diesel and gas generator sets, large forged and cast parts, and medium-speed engine all-fiber-forged-steel crankshafts. It also undertakes power-station EPC work and supplies maintenance and modernization services.
Brand decisions
2022
Expands into rack-and-pinion and commercial hybrid railProduct launchBackground
The company sought to diversify beyond conventional locomotives into specialized rail transit and new-energy traction.
Action taken
It rolled out a proprietary rack-and-pinion train and delivered commercialized HXN6 hybrid locomotives.
Aftermath
These products broadened CRRC Ziyang's offering for steep-gradient, specialized and lower-emission railway applications.
2020
Pursues certified high-power hybrid propulsionProduct launchBackground
Railway operators have sought lower-emission alternatives to conventional diesel traction while retaining the range and flexibility required for heavy-duty service.
Action taken
CRRC Ziyang developed a high-power hybrid locomotive and obtained a type certificate and manufacturing license from the State Railway Administration.
Aftermath
The certification supported the company's commercial position in China's hybrid-locomotive market and preceded later HXN6 deliveries and diesel-locomotive modernization work.
2015
Adopts CRRC identity after parent-group mergerStrategyBackground
China CNR and CSR merged in 2015 to form CRRC Corporation Limited, changing the corporate structure under which the Ziyang locomotive enterprise operated.
Action taken
The company changed its name to CRRC Ziyang Co., Ltd. and continued as a specialist subsidiary within the CRRC group.
Aftermath
The change aligned the enterprise's corporate identity with CRRC's national rail-equipment platform and international brand.
Sources1 sources
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