Locomotives in Thailand

Three main locomotives: General Electric (GEA), Hitachi (HID), and Alsthom

Locomotives in Thailand are divided into three group:

Types of locomotive in Thailand

Diesel

Diesel electric

A diesel-electric locomotive is the most common locomotive in Thailand. This below table shows diesel electric locomotives that used in Thailand.

Type	Manufacturer	Numbers	Year(s) built	Quantity built	Power (horsepower)	Max Speed (km/h)	Image	Note
UM12C (GE)	General Electric	4001-4050	1964 (4001-4040) 1966 (4041-4050)	50	1320 (2 × 660)	103		Refurbished around 2010-2011.
AD24C (ALS)	Alstom	4101-4154	1974–1975	54	2400	90		First batch of AD24C locomotives. Some of them were refurbished with new MTU engine.
AD24C (AHK)	Alstom, Henschel and Krupp	4201-4230	1980	30	2400	100		Second batch of AD24C, built under licence by Henschel and Krupp.
AD24C (ALD)	Alstom	4301-4309	1983	9	2400	100		Third batch of AD24C.
AD24C (ADD)	Alstom	4401-4420	1985	20	2400	100		Fourth and last batch of AD24C.
8FA-36C (HID)	Hitachi	4501-4522	1993	22	2860 (2 × 1430)	100		First batch of Main Line Locomotive Programme, used MAN B&W Diesel engine in short term, then replaced by Cummins KTTA-50L engine, later modified to KTA-50L.
CM22-7i (GEA)	General Electric	4523-4560	1995–1996	38	2860 (2 × 1430)	100		Second batch of Main Line Locomotive Programme, use Cummins KTA-50L engine. Some locomotives were air-conditioned.
CSR SDA3	CSR Qishuyan (CRRC)	5101- 5120	2015	20	3800	100		The new locomotive ordered in 20 years, after the purchase of GEA in 1995, used for freight operation only.
CSR SDA4	CSR Ziyang (CRRC)	70101-70112	2015	12	2250	100		Locomotives ordered by TPIPL shortly after SRT ordered SDA3, use CAT 3516BHD engine. They used for TPIPL freight operation only.
CRRC CDA5B1 (QSY)	CRRC Qishuyan	5201-5250	2022	50	3218	120		The lastest locomotive ordered by SRT to replace GE UM12C, use MTU 16V4000R43L engine with ETCS level 1 install from factory. They use for passenger and freight operation.

Other Diesel Electric Locomotives

• Davenport (500 hp) (some engines in operation)
• Davenport (1000 hp) (defunct)
• Hitachi (defunct locomotive) (defunct)
• Toshiba (served for freight train from Malaysia)

Davenport 500hp

Davenport 1000hp

Hitachi (defunct)

New color of Toshiba

Diesel hydraulic

Type	Manufacturer	Numbers	Year built	Quantity built	Power (horsepower)	Max Speed (km/h)	Image	Note
DH1200BB	Henschel	3001-3027	1964	27	1200	90		All locomotives except No. 3015 are withdrawn. No. 3026 preserved. Some of them were sold to Italian-Thai construction and rebuilt by Vossloh, rest were scrapped.
M1500BB	Krupp and Krauss-Maffei	3101-3130	1969	30	1500	90

Other Diesel hydraulic locomotives

• Henschel (HAS)
• Hokuriku
• Hunslet (served at Makkasan Workshop)
• Horikawa Kohki (defunct)
• CK5 (served at Hin Lap Station)
• Kyosas/DHG 15B (defunct)
• Tasmanian Railways/10-102 (defunct)
• Kisha Seizo Kaisha (defunct at Sa Phli Station)

Henschel HAS

CK5

Kisha Seizo Kaisha

Steam

Steam locomotives in operation

• Mikado
• Pacific
• JNR C56

Mikado

Pacific

C56 Mogul

Defunct Steam locomotives

• Hanomag
• Swiss
• McAuthor
• North British
• Henschel (steam locomotive)
• Sung Noen (steam locomotive)
• Hunslet (steam locomotive)

Hanomag No. 263 at Jessada Technique Museum

Sung Noen No. 9 at Chum Phon Station

Locomotive engines

• Pielstick, for some Alsthom locomotives
• MTU, for some Alsthom locomotives
• Caterpillar, for some Alsthom locomotives
• Ganz, for some Alsthom locomotives, now is replaced by MTU.

Alsthom loco. with Pielstick engine

Alsthom loco. with MTU engine has a blue stripe

Alsthom loco. with Caterpillar engine has a red stripe

• Cummins KT-38-L, for General Electric (GE) locomotives
• Cummins KTA-50-L, for Hitachi (HID) locomotives
• Cummins KTTA-50-L, for General Electric (GEA) locomotives

Trivia

• Alsthom is the most common locomotive in Thailand.