Lastochka

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ES1 / ES1P / ES2G / ES2GP / ES104 Lastochka
ES2G Lastochka
In service	2013–present
Manufacturer	Siemens / Ural Locomotives
Family name	Siemens Desiro
Number built	As of July 2023 Trainsets: ES1: 54 ES1P: 47 ES2G: 164 ES2GP: 17 ES104: 7 Cars: ES1: 270 ES1P: 250 ES2G: 938 ES2GP: 85 ES104: 35
Formation	5-6-7-8-10 cars (train set); 10-20 cars (multiple working)[1]
Capacity	ES1 (suburban): 449 ES1 Premium (intercity): 340 ES2G (suburban): 386 ES2G (city-urban): 346 ES2GP (intercity): 326 ES1P (intercity): 326
Operators	Russian Railways
Lines served	Moscow Railway North Caucasus Railway Gorky Railway Sverdlovsk Railway October Railway Moscow Central Circle
Specifications
Car body construction	Aluminium alloy
Car length	26.031 m (85 ft 4.8 in) (end car); 24.8 m (81 ft 4 in) (intermediate car)[1]
Width	3.48 m (11 ft 5 in)[1]
Height	4.4 m (14 ft 5+1⁄4 in)
Floor height	1.4 m (55.12 in)[1]
Platform height	1,100 mm (43.3 in) / 200 mm (7.9 in) (ES1) 1,400 mm (55.1 in) (ES2G)[2]
Doors	2 per side
Maximum speed	140 km/h (87 mph) - 160 km/h (99 mph)
Weight	ES1: 264,000 kg (582,000 lb) (5 cars, train set)[1] ES2G: 260,200 kg (573,600 lb) (5 cars, train set)
Power output	ES1: 2,550 kW (3,420 hp) ES2G: 2,932 kW (3,932 hp)
Tractive effort	328 kN (74,000 lbf) (starting) 296 kN (67,000 lbf) at 97 km/h (60 mph) (continuous)
Acceleration	0.64 m/s2 (1.4 mph/s)
Power supply	(At the traction motors?)
Electric system(s)	ES1, ES1P: 25 kV 50 Hz AC and 3 kV DC catenary; ES2G, ES2GP, ES104: 3 kV DC catenary
Current collector(s)	Pantograph
UIC classification	Bo′Bo′+2′2′+2′2′+2′2′+Bo′Bo′ (train set); 2×(Bo′Bo′+2′2′+2′2′+2′2′+Bo′Bo′) (multiple working)[1]
Safety system(s)	KLUB-U
Multiple working	Yes (2 train sets)[1]
Track gauge	1,520 mm (4 ft 11+27⁄32 in) Russian gauge

The Lastochka (Russian: Ласточка, lit. 'Swallow') is a German/Russian commuter intercity electric multiple unit train used across multiple Russian cities, based on the Siemens Desiro design and manufactured by Siemens and Ural Locomotives.