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diesel multiple unit A diesel multiple unit or DMU is a multiple-unit train powered by on-board diesel engines. A DMU requires no separate locomotive, as the engines are incorporated into one or more of the carriages. Diesel-powered single-unit railcars are also ...
(DMU) train type operated by
Hokkaido Railway Company The is one of the constituent companies of the Japan Railways Group (JR Group), and is often referred to using its official abbreviation of . It operates intercity and local rail services in Hokkaido, Japan. The company introduced Kitaca, a sm ...
(JR Hokkaido) on the Sassho Line in Japan since 1990. The cars were rebuilt from former 50 series locomotive-hauled coaches.


Variants

A total of 44 cars were built, between 1990 and 1995, divided into four main types: KiHa 141, KiHa 142, KiHa 143, and KiSaHa 144. * KiHa 141: Single-engined cab cars, operate in conjunction with KiHa 142 * KiHa 142: Twin-engined cab cars, operate in conjunction with KiHa 141 * KiHa 143: Cab cars built 1994 with higher-rated engines * KiSaHa 144: Non-powered intermediate cars built 1994


KiHa 141

14 KiHa 141 cars were built between 1990 and 1993 from surplus 50 series OHaFu 51 locomotive-hauled coaches, using the bogies and gearboxes from withdrawn KiHa 22 and KiHa 56 DMUs. These cars are formed as two-car sets with KiHa 142 cars. The KiHa 141 cars are powered by one DMF13HS 250 hp engine, and retain the original toilet of the 50 series coaches. These cars are not air-conditioned.


Build details

The build dates and former identities are as shown below.


KiHa 142

15 KiHa 142 cars were built between 1990 and 1995 from surplus 50 series OHaFu 51 locomotive-hauled coaches, using the bogies and gearboxes from withdrawn KiHa 22 and KiHa 56 DMUs. These cars are formed as two-car sets with KiHa 141 cars. The KiHa 142 cars are powered by two DMF13HS 250 hp engines, and the original toilet of the 50 series coaches was removed during rebuilding. These cars are not air-conditioned. KiHa 142-14 was fitted with modified passenger door control circuits in 1995 and renumbered KiHa 142-114. KiHa 142-201 was built in 1995 from former 50 series coach OHaFu 51-30 for use in conjunction with KiHa 143 cars.


Build details

The build dates and former identities are as shown below.


KiHa 143

11 KiHa 143 cars were built in 1994 from surplus 50 series OHaFu 51 locomotive-hauled coaches to provide additional capacity on the Sassho Line. These cars are formed as two-car sets, consisting of KiHa 143-100 cars at the Sapporo end and KiHa 143-150 cars at the opposite end. The KiHa 143 cars are powered by two DMF13HZD 450 hp engines, and used bogies based on the
KiHa 150 The is a single-car diesel multiple unit operated by Hokkaido Railway Company (JR Hokkaido) in Japan. Variants A total of 27 cars were built, with the class divided into two sub-classes: KiHa 150-0 (17 cars) and KiHa 150-100 (10 cars). * KiHa ...
design. The KiHa 143-150 cars retain the original toilet of the 50 series coaches. All cars were fitted with air-conditioning from 1996. Passenger accommodation consists of transverse seating bays arranged 2+1 abreast, with longitudinal bench seating at the car ends. A number of KiHa 143 twin-car sets were modified for use on ''wanman''
driver-only operation One-person operation (OPO), also known as driver-only operation (DOO), one-man operation (OMO), single person train operation (SPTO), or one-person train operation (OPTO), similarly to Driver Controlled Operation, is operation of a train, bus, ...
services. The fleet of KiHa 143 cars is scheduled to be replaced by new
737 series The is an AC electric multiple unit (EMU) commuter train type on order by Hokkaido Railway Company (JR Hokkaido). Scheduled for a 2023 service introduction, thirteen 2-car sets (26 vehicles) will be built to replace the fleet of KiHa 143 di ...
AC electric multiple units from spring 2023.


Build details

The build dates and former identities are as shown below.


KiSaHa 144

Four KiSaHa 144 non-powered intermediate cars were built in 1994 from surplus 50 series OHaFu 51 locomotive-hauled coaches. Originally used sandwiched between KiHa 141 and KiHa 142 cars, they were later used between pairs of KiHa 143 cars. All cars were fitted with air-conditioning in 2001. Passenger accommodation consists of transverse seating bays arranged 2+1 abreast, with longitudinal bench seating at the car ends.


Build details

The build dates and former identities are as shown below. KiSaHa 144-104 was initially numbered KiSaHa 144-151, but was renumbered KiSaHa 144-104 in August 1995 following removal of its toilet at Naebo Works.


History

A large number of locomotive-hauled 50 series coaches became surplus to requirements following electrification of lines in the
Sapporo ( ain, サッ・ポロ・ペッ, Satporopet, lit=Dry, Great River) is a city in Japan. It is the largest city north of Tokyo and the largest city on Hokkaido, the northernmost main island of the country. It ranks as the fifth most populous city ...
area of
Hokkaido is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The la ...
in the late 1980s. A program was therefore started to rebuild a number of these coaches into
diesel multiple unit A diesel multiple unit or DMU is a multiple-unit train powered by on-board diesel engines. A DMU requires no separate locomotive, as the engines are incorporated into one or more of the carriages. Diesel-powered single-unit railcars are also ...
(DMU) trains to replace ageing DMUs on the non-electrified Sassho Line. In March 1990, one two-car set, formed of KiHa 141-1 and KiHa 142-1, was formed at Kushiro Depot and transferred to Naebo Depot from April of that year. Between 1990 and 1995, a total of 44 DMUs cars were built from former 50 series coaches at Kushiro Depot, Goryokaku Depot, and Naebo Works.


Withdrawals and resale

The first two cars built, KiHa 141-1 and KiHa 142-1, were withdrawn in March 2005. Four KiHa 141 series cars, KiHa 143-155, KiSaHa 144-103, KiSaHa 144-101, and KiHa 142-201, were sold to JR East and moved to Koriyama Works in November 2012 for conversion into the ''
SL Ginga The is a steam-hauled " Joyful Train" (excursion train) operated by East Japan Railway Company (JR East) primarily on the Kamaishi Line in the north-east Tohoku Region of Japan since April 2014. The train consists of restored JNR Class C58 ste ...
''
Joyful Train is the name given to railway rolling stock or train sets operated by the JR Group in Japan primarily for charters, special events, tourist excursions, and other similar purposes. History The "Joyful Train" concept can be traced back to 1960, whe ...
set for use with the restored
JNR Class C58 The Class C58 is a 2-6-2 wheel arrangement steam locomotive type built by the Japanese Government Railways (JGR) and Japanese National Railways (JNR) from 1938 to 1947. A total of 427 Class C58 locomotives were built and designed by Hideo Shima ...
steam locomotive C58 239 from April 2014. A number of cars were sold to Myanmar National Railways. File:KiHa 141 Naebo Works 20120824.jpg, A lineup of withdrawn KiHa 141 series cars at Naebo Works in August 2012, including KiHa 142-201 File:Kiha141-700.JPG, The ''SL Ginga'' trainset converted from four KiHa 141 series cars


References

This article incorporates information from the corresponding article in the
Japanese Wikipedia The is the Japanese-language edition of Wikipedia, a free, open-source online encyclopedia. Started on 11 May 2001, the edition attained the 200,000 article mark in April 2006 and the 500,000 article mark in June 2008. As of , it has over a ...
.{{JR East EMU 141 Hokkaido Railway Company Train-related introductions in 1990 Passenger rail transport in Myanmar