ALSTOM ALS (1975) | 
  
  
    | Number | 
    Location | 
    Service | 
    Date | 
    Comments | 
  
  
  | No. 4101 | 
    Bang Sue Junction, Bangkok | 
    n/a | 
    15 October 2013 | 
     | 
  
  
  | No. 4102 | 
    Chachoengsao Junction | 
    arriving from Pattaya | 
    29 November 2012 | 
    Last seen: 23 October 2023. View at Nawa Nakhon on YouTube. | 
  
  
  | No. 4103 | 
    Bang Sue Junction, Bangkok | 
    n/a | 
    5 March 2015 | 
    double headed with 4546 | 
  
  
  | No. 4106 | 
    Hua Lamphong Terminal, Bangkok | 
    departing for Hat Yai/Butterworth | 
    24 January 2012 | 
     | 
  
  
  | No. 4107 | 
    Nakhon Lampang Railway Station | 
    for Khun Tan | 
    24 January 2012 | 
    waiting in depot for Bangkok to Chaing Mai service then to connect with engine 4537 for the double-headed mountain climb to Khun Tan | 
  
  
  | No. 4109 | 
    Bang Sue Junction, Bangkok | 
    north/northeast bound | 
    3 October 2013 | 
     | 
  
  
  | No. 4110 | 
    Phichit Railway Station | 
    parked in station | 
    20 September 2023 | 
     | 
  
  
  | No. 4111 | 
    Hua Lamphong Terminal, Bangkok | 
    departing for Lopburi | 
    4 October 2011 | 
     | 
  
  
  | No. 4112 | 
    Bang Sue Junction, Bangkok | 
    retrieving passenger coaches for Hua Lamphong | 
    27 January 2013 | 
     | 
  
  
  | No. 4113 | 
    Chachoengsao Junction | 
    departing for Kabin Buri | 
    2 November 2012 | 
     | 
  
  
  | No. 4115 | 
    Chachoengsao Junction | 
    gas container freight train | 
    30 January 2012 | 
     | 
  
  
  | No. 4116 | 
    Bang Sue Junction, Bangkok | 
    dep. for Nakhon Sawan | 
    5 March 2015 | 
    Last seen at Nong Khai Railway Station, 28 October 2023 in no state for service | 
  
  
  | No. 4118 | 
    Hua Lamphong Terminal, Bangkok | 
    15.25 departure for Kabin Buri | 
    24 January 2012 | 
    last seen passing Muak Lek with a freight train heading towards Kaeng Khoi Junction - 21 April 2023 | 
  
  
  | No. 4119 | 
    Chachoengsao Junction | 
    oil freight train | 
    29 November 2012 | 
     | 
  
  No. 4121 | 
    Rangsit Railway Station | 
    109 Service | 
    19 September 2023 | 
    View on YouTube | 
  
  
  | No. 4121 | 
    Hua Lamphong Terminal, Bangkok | 
    departing for Yala | 
    24 January 2012 | 
     | 
  
  
  | No. 4128 | 
    Pak Chong Railway Station | 
    train 233 for Surin arriving from Bangkok | 
    4 February 2024 | 
    vdo to follow | 
  
  
  | No. 4123 | 
    Hua Lamphong Terminal, Bangkok | 
    departing for Prachinburi | 
    25 January 2017 | 
     | 
  
  
  | No. 4129 | 
    Don Mueang Railway Station, Bangkok | 
    southbound passenger train | 
    12 October 2015 | 
     | 
  
  
  | No. 4130 | 
    Sila-At, Uttaradit | 
    Train 201, 11.47 for Bangkok | 
    28 December 2016 | 
     | 
  
  
  | No. 4131 | 
    Kaeng Khoi, Saraburi | 
    n/a in maintenance depot | 
    21 November 2017 | 
     | 
  
  
  | No. 4132 | 
    Bang Sue Junction, Bangkok | 
    retrieving passenger coaches for Hua Lamphong | 
    27 January 2013 | 
     | 
  
  
  | No. 4135 | 
    Chumphon Railway Station | 
    northbound freight train | 
    12 December 2012 | 
     | 
  
  
  | No. 4137 | 
    Bang Sue Junction, Bangkok | 
    after arriving from Prachuap Khiri Khan | 
    17 November 2014 | 
     | 
  
  
  | No. 4140 | 
    Lopburi Railway Station | 
    northbound train for Chiang Mai | 
    22 April 2023 | 
    View at Pak Chong Railway Station on YouTube. Last Seen: 9 November 2023. View at Chachoengsao Junction Station on YouTube. | 
  
  
  | No. 4142 | 
    Hua Hin Railway Station | 
    departing for Hat Yai | 
    4 October 2011 | 
     | 
  
  
  | No. 4143 | 
    Bang Sue Junction, Bangkok | 
    retrieving passenger coaches for Hua Lamphong | 
    5 February 2012 | 
    Last seen at Phitsanulok Railway Station, 23 September 2023 | 
  
  
  | No. 4145 | 
    Hua Lamphong Terminal, Bangkok | 
    17.35 departure for Nakhon Si Thammarat | 
    24 January 2012 | 
     | 
  
  
  
  | No. 4146 | 
    Hua Lamphong Terminal, Bangkok | 
    departing for Trang | 
    24 January 2012 | 
     | 
  
  
  | No. 4147 | 
    Hua Lamphong Terminal, Bangkok | 
    departing for Butterworth | 
    17 October 2013 | 
     | 
  
  
  | No. 4149 | 
    Chachoengsao Junction | 
    gas container freight train | 
    17 October 2013 | 
     | 
  
  
  | No. 4150 | 
    Aranyaprathet Railway Station | 
    13.45 service for Bangkok | 
    26 February 2013 | 
     | 
  
  
  | No. 4152 | 
    Bang Sue Junction, Bangkok | 
    retrieving passenger coaches for Hua Lamphong | 
    27 January 2013 | 
     | 
  
  
  | No. 4153 | 
    Hua Lamphong Terminal, Bangkok | 
    18.10 departure for Chiang Mai | 
    24 January 2012 | 
     | 
  
  
  | No. 4154 | 
    Chachoengsao Junction | 
    flat-bed freight train for Leam Chabang | 
    30 January 2012 | 
    Last seen  arriving at Hua Lamphong, 2 February 2024. Vdo waiting upload |