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Class 375 Electrostar
Southeastern's main-line Electrostar, used on longer routes into Kent. Southeastern removed First Class from its main-line trains with the December 2022 timetable.
Shown
Scale
265 ft (80.74 m) (the cars’ lengths added)
Class 375 Electrostar · schematic drawing GB Trains · gbtrains.uk/stock/375/ · CC BY 4.0
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Liveries
Former liveries 2
Connex (white)Ran as Connex South Eastern / South Eastern TrainsFormer1999-2001 to 2003-2006Not drawn yet
Southeastern (white, yellow doors, blue)Ran as South Eastern Trains / SoutheasternFormer2003-2006 to 2015-2018Not drawn yet
- Type
- Electric multiple unit
- Builder
- Bombardier Transportation (now Alstom)
- Family
- Electrostar, with Class 357 Electrostar, Class 376 Electrostar, Class 377 Electrostar, Class 379 Electrostar, Class 387 Electrostar
- Built
- from 1999, at Derby (Adtranz, then Bombardier)
- In service
- since 2000
- Operators
- Southeastern
- Formation
- 3 cars (375/3: DMOS-PTOSL-DMOS) or 4 cars (375/6-9: DMOS-MOSL-PTOSL-DMOS)
- Trains in fleet
- 112: 10 375/3s (3-car), 30 375/6s, 15 375/7s, 30 375/8s and 27 375/9s (4-car)
- Fleets
- Southeastern: 112
- Top speed
- 100 mph (161 km/h)
- Power
- 750 V DC third rail; the 375/6s were built for 25 kV AC overhead as well · how it works
- Bogies
- Bombardier Electrostar bogies · drawn with the same bogie component as Class 357 Electrostar, Class 376 Electrostar, Class 377 Electrostar, Class 378 Capitalstar, Class 379 Electrostar, Class 387 Electrostar
- Train length
- 265 ft (80.74 m) (the cars’ lengths added)
- Coupled
- 3 × 4 cars, 795 ft (242.3 m) (over couplers)
- Car height
- 12 ft 5 in (3.796 m)
- Profile
- main-line
- Seats per train
- 239
- Total capacity
- 4-car 375/6-8: 239 seats (16 of them first class until Southeastern removed First Class in December 2022) and 3 tip-up; 3-car 375/3: 173; 375/9: 274 (Eversholt)
- Status
- In service: all 112 with Southeastern (in public ownership since 17 October 2021). Refreshed 2022-24 with at-seat power and LED lighting; First Class removed in December 2022.
Car types
| Code | Car | Length | Doors per side |
|---|---|---|---|
| DMOS | Driving motor (DMOS) | 66 ft 11 in20.39 m | 2 double |
| MOSL | Motor with toilet (MOSL) | 65 ft 7 in19.98 m | 2 double |
| PTOSL | Pantograph trailer with universal-access toilet (PTOSL) | 65 ft 7 in19.98 m | 2 double |
Sources
How we source figures → · Spotted a mistake? Tell us → (opens in a new tab)
Show the 28 sources from Wikimedia Commons, Eversholt Rail, Southeastern and 4 more
- Class 375 Eversholt Railfleet (10 three-car, 102 four-car), entry into service 2000, speed, power, car lengths, formations; seats: 3-car 12 first class and 161 standard, 4-car 16 and 223, 375/9 24 and 250, each with 3 tip-up (read 19 October 2026)
- Train improvements Southeasternthe refresh of all 112, completed in 2024 (at-seat power, USB, LED lighting)
- Class 375 exterior livery sheets EVL-C1-2018859 G (DMOS), 2018861 F (MOSL), 2019035 A (MOSL 375/9), 2018860 E (PTOSL) Eversholt Rail (released by Southeastern under FOI: 'Livery Designs'), 2021side elevation of every car, colours (measured); the yellow nosing and dark grey step under every doorway, the square windows, the hopper panes, the cab door window's bar (2018859 G), the PTOSL's roof well (2018860 E) and the underframe's extent, read off the sheets' vectors (set T4, 20 October 2026)
- Southeastern Class 375 photographs: 375622 at Longfield (Matt Taylor, CC BY-SA 4.0, 2024), 375830 at St Johns (kitmasterbloke, CC BY 2.0, 2024), 375307 at Allington Quarry (John K Thorne, public domain, 2023), 375920 (Samson Ng, CC BY-SA 4.0, 2025), 375304 at East Farleigh (John K Thorne, public domain, 2021), Whitstable (ClemRutter, CC BY-SA 4.0, 2018) Wikimedia Commons, 2018-2025light grey roof, blue cab dome, dark grey gangway surround
- Adtranz P3-25 bogie (6647161053) (photograph of a Class 375/7's bogie at London Bridge, CC BY-SA 2.0) Wikimedia Commons (Hugh Llewelyn, via Flickr), June 2010the bogie drawing's layout (an Electrostar P3-25 bogie, photograph: layout only)
- Bogie and traction equipment beneath Door A1 of Class 375 Electrostar unit 375831 at Gillingham railway station (Kent) (photograph, CC0) Wikimedia Commons (OathOn), 25 June 2025the bogie drawing's layout (an Electrostar P3-25 bogie, photograph: layout only)
- British Rail Class 378 bogie and shoegear (photograph at Hackney Wick, CC BY-SA 3.0) Wikimedia Commons (Chris McKenna), 14 March 2014the bogie drawing's layout (an Electrostar P3-25 bogie, photograph: layout only)
- 377 side on (Southern Class 377 driving car) Wikimedia Commons (CC BY-SA 2.0), 29 February 2016the yellow at the cab front, side on (job yellow, 13 October 2026)
- GWR Class 387.png (side diagram, 2017, CC BY-SA 4.0) Wikimedia Commons, 2017the windscreen's wrap pane and the yellow below it, seen side on (set ESW)
- Twyford - GTSR 387205 coupled to GWR 387146.JPG (photograph, 5 October 2021, CC BY-SA 4.0) Wikimedia Commons, 5 October 2021the windscreen's wrap pane and the yellow below it, seen side on (set ESW)
- 357 029 Shadwell.jpg (photograph, CC BY 4.0; uploaded June 2026) Wikimedia Commonsthe windscreen's wrap pane and the yellow below it, seen side on (set ESW)
- Class 375 'Electrostar' Southern Electric Group (sremg.org.uk), updated 15 May 2004built at Derby from April 1999 (Adtranz); the sub-classes: 375/3 10 three-car, 375/6 30 (dual voltage, with the pantograph trailer), 375/7 15, 375/8 30, 375/9 27; delivered in overall white with Connex or South Eastern Trains vinyls
- We're halfway there: train fleet upgrade reaches critical milestone Southeastern, 15 May 2023introduced by Connex South Eastern between 2001 and 2005; 112 units in five sub-classes; the 375/6s dual voltage
- Southeastern introduces a new timetable for December 2022 Southeastern, 28 September 2022First Class removed from Southeastern's main-line trains with the December 2022 timetable
- Southeastern completes GBP 10 million fleet upgrade Rail Technology Magazine, 22 April 2024the GBP 10 million refresh of all 112 complete by April 2024; energy meters fitted to 42
- SE Trains - the new name for Southeastern services as Government takeover is completed RailAdvent, 17 October 2021Southeastern in public ownership (SE Trains) from 17 October 2021
- File:375 611 at Dover Priory, 23 June 2026.jpg (photograph, CC BY-SA 4.0) Wikimedia Commons (Hugh Llewelyn), 23 June 2026the PTOSL's burgundy panel at its end next to a DMOS; the door step plates, square windows, the hopper panes, the cab door window's bar and the orange tape to the windscreen's edge; the DMOS's underframe cases from its first door (front three-quarter; layout only)
- File:375610 + 375811 passes Hither Green 181125 (54933011168).jpg (photograph, CC BY-SA 4.0) Wikimedia Commons (Foulger Rail Photos), 18 November 2025the MOSL without first-class yellow and the PTOSL's burgundy panel next to the rear DMOS (18 November 2025; layout only)
- File:375622 & 375829, Longfield, March 27th 2024 (54944600691).jpg (photograph, CC BY-SA 4.0) Wikimedia Commons (Matt Taylor), 27 March 2024the PTOSL's roof well and its raised end fairing on a 375/6, from a bridge (layout only)
- File:375610 + 375811 passes Hither Green 181125 (54933011168).jpg (photograph, CC BY-SA 4.0) Wikimedia Commons (Foulger Rail Photos), 18 November 2025the cab-side window glazed, black-framed, on the drawn side; framed top-lights at about 23 ft 0 in to 27 ft 11 in and 52 ft to 57 ft 5 in (7-8.5 and 16-17.5 m) on the DMOS (set TF, 20 October 2026)
- Reading - GWR 387150 coupled to GTSR 387206.JPG (photograph, CC BY-SA 4.0) Wikimedia Commons (Geof Sheppard), 4 October 2021the cab's Dellner coupler: where it stands and its heads' heights (set BC2, 20 October 2026; layout only)
- King's Lynn station Norfolk class 379 and 387 (379028 side on, from the DMCO's cab end; photograph) Wikimedia Commons (Norfolks disused railways, CC BY 4.0), 27 February 2025the cab's Dellner coupler: where it stands and its heads' heights (set BC2, 20 October 2026; layout only)
- 387129 working 1N25 Southampton Central to Brighton at Cosham 26 04 25 (54477933929) Wikimedia Commons (CC BY-SA 2.0)the cab's Dellner coupler: where it stands and its heads' heights (set BC2, 20 October 2026; layout only)
- 377 133 coupled to 377 522.jpg (photograph, CC BY 4.0) Wikimedia Commons (Three76Five43Nine72), 3 May 2026the cab's Dellner coupler: where it stands and its heads' heights (set BC2, 20 October 2026; layout only)
- Class 375 exterior livery sheets EVL-C1-2018859 G (DMOS), 2018861 F (MOSL), 2019035 A (MOSL 375/9), 2018860 E (PTOSL) Eversholt Rail (released by Southeastern under FOI: 'Livery Designs'), 2021the full-width top-light panes, read off the vectors of sheets 2018859 G, 2018861 F and 2018860 E (set TFF, Kyle, 26 October 2026)
- File:375610 + 375811 passes Hither Green 181125 (54933011168).jpg (photograph, CC BY-SA 4.0) Wikimedia Commons (Foulger Rail Photos), 18 November 2025framed top-lights on the first bay after each door on the drawn side (set TFF, Kyle, 26 October 2026)
- File:375 611 at Dover Priory, 23 June 2026.jpg (photograph, CC BY-SA 4.0) Wikimedia Commons (Hugh Llewelyn), 23 June 2026no cab-side window on the cab-right side (set T8, Kyle, 27 October 2026)
- Southeasterns class 375s get mid life refresh railtechnologymagazine.com, read 13 October 2026the livery's name, who ran it and its years (no colours taken)
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unverified
- The year the last unit was built (about 2005; Southeastern gives the introductions as 2001-2005)
- Entry into service: Eversholt gives 2000, Southeastern (2023) 2001
- Which end of the MOSL leads (no visible difference since First Class went)
- Roof colour: from photographs (no paint reference printed for it)
- Whether the 375/6s still carry their pantographs
- The years of the former liveries come from Wikipedia's class article and the other sources listed, and haven't been checked against a second source.
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