KTM Class 26 (aka Blue Tiger) is a group of 20 locomotives owned by KTM Berhad (KTMB).
The first batch of locomotives was first received by KTM Berhad on 2 October 2003. According to keretapi.com, another 15 locomotives will arrive by the year’s end. According to the same source also, this 3000hp locomotive is the most powerful locomotive that KTMB owns. It was built by Bombardier, Germany (Adtranz/General Electric collaboration).
Recently the Blue Tiger resurfaced again in mainstream newspapers because it has been used by a Johorean royalty for their Kembara Mahkota Program.
According to anonymous sources from the rail transport industry, the locomotive is more reliable than KTM Class 29 locomotive.
KTM YDM 4 Locomotive is a fleet of diesel locomotives that is leased to KTMB from Indian Railways. It is manufactured by Diesel Locomotive Works, Varanasi, India and 28 units were brought to Malaysia in the late 1990s.
Alco (USA), DLW (India), MLW (Canada)
Introduced in Malaysia
YDM4 is a type of locomotive leased to KTMB by Indian Railways. There is quite a number of them in KTMB’s rolling stock. According to the train operator, all locomotives in the rolling stock have their own set of problems, brushing off allegations that YDM4 is among the best locomotive KTMB has ever had.
Then, five additional units were brought into Malaysia in 2009, refurbished by Southern Railway Workshop, Tiruchirappalli, India (source: Wikipedia Bahasa Melayu). YDM 4 originally is used by Indian Railways from 1961 until 1993.
YDM 4 is intended to be the temporary stopgap while waiting for the new locomotives. Eventually, these locomotives will be returned back to India. Therefore, the fleet numbers for YDM 4 are retained.
For KTM Intercity Ekspres Senandung Langkawi service, KTMB uses two YDM4 locomotives because sole unit is does not have sufficient tractive force to pull all other railcars.
The KTM Class 81 is the first type of electric multiple unit (EMU) introduced by Keretapi Tanah Melayu Berhad (KTMB) on its KTM Komuter services. 18 sets were built by Jenbacher Transport in 3-car formations.
The KTM Class 82 is the second type of electric multiple unit (EMU) introduced by Keretapi Tanah Melayu Berhad (KTMB) on its KTM Komuter services. 22 sets were built by Union Carriage & Wagon of South Africa in 3-car formations.