The International Express (Thai: รถด่วนพิเศษระหว่างประเทศ; Malay: Ekspres Antarbangsa) is an express train between Bangkok, Thailand and Padang Besar, Malaysia. The train formerly traveled to Butterworth, Penang. This train's passenger cars include 2nd-class air conditioned sleepers, and an air conditioned dining car. Diesel electric locomotives such as HID (Hitachi - 2500 HP) and GEA (General Electric - 2500 HP) are used to Haul this express between Padang Besar and Hat Yai.