The Class 91 is a type of electric multiple unit

Electric multiple unit

An electric multiple unit or EMU is a multiple unit train consisting of self-propelled carriages, using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages...

 currently operating on Keretapi Tanah Melayu

Keretapi Tanah Melayu

Keretapi Tanah Melayu Berhad or Malayan Railways Limited is the main rail operator in Peninsular Malaysia. The railway system dates back to the British colonial era, when it was first built to transport tin...

's Electric Train Service

Electric Train service

The Electric Train Service is a narrow gauge train service and provide fast-speed connections up to 140 km/h on electrified intercity rail service in Malaysia that connects the city of Ipoh with Kuala Lumpur and south to Seremban...

 (ETS) since 2009. In 2008 KTMB purchased a total of 30 EMUs worth $67 million (USD) from a joint venture between South Korea's Hyundai Rotem Co. and Japan Mitsubishi Electric

Mitsubishi Electric

is a multinational electronics and information technology company headquartered in Tokyo, Japan. It is one of the core companies of the Mitsubishi Group....

Corp. These cars are arranged in a 6-cars configuration for a total of 5 train sets. Facilities include toilets and buffet cars.

Formation

Car No.	1 (A)	2 (B)	3 (C)	4 (D)	5 (E)	6 (F)
Designation	Mc	Tp	M	M	Tp	Mc
Numbering	C9101	T9101	M9101	M9102	T9102	C9102
Seating capacity	?	?	?	?	?	?