KiHa 40 series

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article may require cleanup to meet Wikipedia's quality standards. The specific problem is: there are too many lengthy bullet lists and contextually irrelevant images. Please help improve this article if you can. (July 2022) (Learn how and when to remove this message) You can help expand this article with text translated from the corresponding article in Japanese. (June 2024) Click [show] for important translation instructions. View a machine-translated version of the Japanese article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Japanese Wikipedia article at [[:ja:国鉄キハ40系気動車 (2代)]]; see its history for attribution. You may also add the template {{Translated|ja|国鉄キハ40系気動車 (2代)}} to the talk page. For more guidance, see Wikipedia:Translation. (Learn how and when to remove this message)

KiHa 40 series KiHa 41 KiHa 47 KiHa 48
A pair of JR East KiHa 40 series units on the Karasuyama Line in January 2017
In service	1977–present
Manufacturer	Fuji Heavy Industries, Niigata Tekkō
Replaced	KiHa 10 series [ja] KiHa 30 KiHa 130
Constructed	1977–1983
Number built	888 vehicles
Number in service	714 vehicles (as of 2018)[1]
Successor	KiHa E120 HB-E300 series EV-E301 series GV-E400 series EV-E801 series BEC819 series H100 series 733 series
Formation	Various
Operators	JNR (1977–1987) JR Central (1987–2016) JR Hokkaido JR East JR-West JR Shikoku JR Kyushu (1987–present) Myanmar Railways (2011–present) Nishikigawa Railway (2017–present) Kominato Railway (2020–present) Hojo Railway (2022–present) State Railway of Thailand (future)
Depots	Various
Lines served	Various
Specifications
Car body construction	Steel
Car length	21,300 mm (69 ft 11 in)
Width	2,900 mm (9 ft 6 in)
Doors	2 per side
Maximum speed	95 km/h (59 mph)
Transmission	DW10 (hydraulic)
Multiple working	KiHa 58 (San'in Main Line only)
Track gauge	1,067 mm (3 ft 6 in) 1,000 mm (3 ft 3+3⁄8 in) metre gauge (Myanmar, Thailand)

The KiHa 40 series (キハ40系, Kiha-yonjū-kei) is a diesel multiple unit (DMU) train type introduced by Japanese National Railways (JNR) in 1977 and operated by all Japan Railways Group companies on suburban and rural services in Japan.^[2] Since 2017, the train type has seen use by other private railway companies in Japan, following the removal of services by Japan Railways groups. Additionally, it has also seen use in overseas operations in Myanmar since 2011 and is also scheduled to be used in Thailand.