UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

July 28, 2021

(Commission File No. 1 - 13522)

CHINA YUCHAI INTERNATIONAL LIMITED

(Translation of registrant’s name into English)

16 Raffles Quay #26-00

Hong Leong Building

Singapore 048581

(Address of registrant’s principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  ☑             Form 40-F  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1):

Yes  ☐            No  ☑

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (7):

Yes  ☐            No  ☑

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes  ☐            No  ☑

EXHIBIT INDEX

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

Date: July 28, 2021

Exhibit 99.1

CHINA YUCHAI INTERNATIONAL TO ANNOUNCE

2021 UNAUDITED FIRST HALF FINANCIAL RESULTS

ON AUGUST 11, 2021

- Earnings Call to Begin at 8:00 A.M. EDT -

Singapore, Singapore – July 28, 2021 – China Yuchai International Limited (NYSE: CYD) (“China Yuchai” or the “Company”), announced today that it will be releasing its 2021 unaudited first half financial results on Wednesday, August 11, 2021 before the market opens for trading. A conference call and audio webcast for the investment community has been scheduled for 8:00 A.M. Eastern Daylight Time on August 11, 2021. The call will be hosted by the President and Chief Financial Officer of China Yuchai, Mr. Weng Ming Hoh and Mr. Choon Sen Loo, respectively, who will present on and discuss the financial results and business outlook of the Company followed with a Q&A session.

Analysts and institutional investors may participate in the conference call by dialing +1-866-519-4004 (United States), +800-906-601 (Hong Kong), 400-620-8038 (Mainland China) or +65 67135090 (International), Conference Code: 6856037 approximately five to ten minutes before the call start time.

For all other interested parties, a simultaneous webcast can be accessed at the investor relations section of the Company’s website located at http://www.cyilimited.com. Participants are requested to log into the webcast at least 10 minutes prior to the scheduled start time. The recorded webcast will be available on the website shortly after the earnings call.

About China Yuchai International

China Yuchai International Limited, through its subsidiary, Guangxi Yuchai Machinery Company Limited (“GYMCL”), engages in the manufacture, assembly, and sale of a wide variety of light-, medium- and heavy-duty engines for trucks, buses, passenger vehicles, construction equipment, marine and agriculture applications in China. GYMCL also produces diesel power generators. The engines produced by GYMCL range from diesel to natural gas and hybrid engines. Through its regional sales offices and authorized customer service centers, GYMCL distributes its engines directly to auto OEMs and retailers and provides maintenance and retrofitting services throughout China. Founded in 1951, GYMCL has established a reputable brand name, strong research and development team and significant market share in China with high-quality products and reliable after-sales support. In 2020, GYMCL sold 430,320 engines and is recognized as a leading manufacturer and distributor of engines in China. For more information, please visit http://www.cyilimited.com.

Safe Harbor Statement:

This news release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The words “believe”, “expect”, “anticipate”, “project”, “targets”, “optimistic”, “confident that”, “continue to”, “predict”, “intend”, “aim”, “will” or similar expressions are intended to identify forward-looking statements. All statements other than statements of historical fact are statements that may be deemed forward-looking statements. These forward-looking statements including, but not limited to, statements concerning China Yuchai’s and the joint venture’s operations, financial performance and condition are based on current expectations, beliefs and assumptions which are subject to change at any time. China Yuchai cautions that these statements by their nature involve risks and uncertainties, and actual results may differ materially depending on a variety of important factors such as government and stock exchange regulations, competition, political, economic and social conditions around the world and in China including those discussed in China Yuchai’s Form 20-Fs under the headings “Risk Factors”, “Results of Operations” and “Business Overview” and other reports filed with the Securities and Exchange Commission from time to time. Among others, if the COVID-19 pandemic is not effectively and timely controlled, our business operations and financial condition may be materially and adversely affected due to a deteriorating market for automotive sales, an economic slowdown in China and abroad, a potential weakening of the financial condition of our customers, or other factors that we cannot foresee. All forward-looking statements are applicable only as of the date it is made and China Yuchai specifically disclaims any obligation to maintain or update the forward-looking information, whether of the nature contained in this release or otherwise, in the future.

For more information:

Investor Relations

Kevin Theiss

Tel: +1-212-521-4050

Email: cyd@bluefocus.com