British Rail Class 707

British Rail Class 707
*Desiro City*
British Rail Class 707; Desiro City
	Southeastern Class 707s at Hither Green
	Interior as refreshed by Southeastern
Stock type	Electric multiple unit
In service	17 August 2017 – present
Manufacturer	Siemens Mobility
Built at	Krefeld, Germany
Family name	Desiro City
Replaced	Class 465; Class 466;
Constructed	2015–2018
Entered service	2017
Number built	30
Successor	Class 455(SWR); Class 458 (SWR)
Formation	5 cars per unit:; DMOS-TOS-TOS(L)W-(P)TOS-DMOS;
Fleet numbers	707001–707030
Capacity	275 seats
Owners	Angel Trains
Operators	Southeastern; South Western Railway;
Depots	Wimbledon; Slade Green;
Lines served	London Waterloo and Windsor; London Waterloo and Hounslow (via Brentford or Richmond); London Waterloo and Weybridge (via Brentford); London Waterloo and Shepperton (via Wimbledon); London Charing Cross/Cannon street and Hayes ; London Cannon street loopers (via Slade Green, Barnehust and Crayford); London Charing Cross and Gravesend (via Dartford); London and Sevenoaks;
Specifications
Car body construction	Aluminium
Train length	101.6 m (333 ft 4 in)
Car length	DM cars: 20.52 m (67 ft 4 in); Trailers: 20.16 m (66 ft 2 in);
Width	2.80 m (9 ft 2 in)
Floor height	1.10 m (3 ft 7 in)
Doors	Double-leaf pocket sliding; (2 per side per car);
Wheel diameter	820–760 mm (32.28–29.92 in) (new–worn)
Wheelbase	Motor bogies: 2,200 mm (87 in); Trailer bogies: 2,100 mm (83 in);
Maximum speed	100 mph (161 km/h)
Weight	165 tonnes (162 long tons; 182 short tons);
Axle load	Motor bogies: 15.5 t (15.3 long tons; 17.1 short tons); Trailer bogies: 14.5 t (14.3 long tons; 16.0 short tons);
Power output	1,200 kW (1,600 hp)
Acceleration	0.85 m/s2 (1.9 mph/s)
Electric system(s)	750 V DC third rail
Current collector(s)	Contact shoe
UIC classification	Bo′Bo′+2′2′+2′2′+2′2′+Bo′Bo′
Bogies	Siemens SGP SF7000
Minimum turning radius	120 m (390 ft)
Safety system(s)	AWS; TPWS; (plus provision for ETCS);
Coupling system	Dellner
Multiple working	Within class
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Notes/references
	Sourced from unless otherwise noted.

The British Rail Class 707 Desiro City is an electric multiple unit passenger train. Siemens Mobility built 30 five-carriage sets, initially leased by South West Trains. SWT's franchise successor South Western Railway began phasing them out from September 2021. Twenty-eight sets are now in service with Southeastern having been transferred from South Western Railway by late 2023, with two sets remaining at South Western Railway.

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