H series (Toronto subway)

H series
H series
	An H-6 train at St George station
In service	1965–2014 (TTC); H-1: 1965–1999; H-2/H-3: 1971–2001; H-4: 1974–2012; H-5: 1976–2013; H-6 (TTC): 1986–2014; H-6 (Ankara Metro) 1997–2019;
Manufacturer	H-1, H-2, H-4, H-5: Hawker Siddeley; H-3: Hawker Siddeley, TTC; H-6 (TTC): UTDC; H-6 (Ankara Metro): Bombardier Transportation;
Built at	Thunder Bay, Ontario (H-1–H-6); Toronto, Ontario (H-3 TTC modifications);
Replaced	G series
Constructed	H-1: 1965–1966; H-2/H-3: 1971; H-4: 1974–1975 ; H-5: 1976–1979; H-6 (TTC): 1986–1989; H-6 (Ankara Metro): 1996–1998;
Entered service	1966 (Toronto Subway); 1997–1998 (Ankara Metro);
Scrapped	H-1: 1997–1999; H-2/H-3: 2001–2002; H-4: 2001–2012; H-5: 2012–2013; H-6 (TTC): 2013–2014;
Number built	H-1: 164; H-2/H-3: 76; H-4: 88; H-5: 138; H-6 (TTC): 126; H-6 (Ankara Metro): 108;
Number scrapped	H-1: 161; H-2/H-3: 76; H-4: 80; H-5: 136; H-6 (TTC): 126;
Successor	T-1 (TTC); Toronto Rocket (TTC);
Fleet numbers	H-1: 5336–5499; H-2/H-3: 5500–5575; H-4: 5576–5663; H-5: 5670–5807; H-6: 5810–5935 (TTC);
Capacity	76 seated
Operators	Toronto Transit Commission (1965–2014); Ankara Metro (1997–2019);
Depots	Greenwood, Davisville
Lines served	Yonge–University (H-1, H-2, H-5); Bloor–Danforth (H-1, H-2, H-4, H-6);
Specifications
Car body construction	Aluminum
Car length	22.86 m (75 ft 0 in)
Width	3.14 m (10 ft 4 in)
Height	3.65 m (12 ft 0 in)
Floor height	1.1 m (3 ft 7 in)
Doors	8 sets (4 sets per side) per car
Maximum speed	88 km/h (55 mph)
Weight	H-1: 25,630 kg (56,500 lb); H-2: 25,590 kg (56,420 lb); H-4: 26,180 kg (57,720 lb); H-5: 30,440 kg (67,110 lb); H-6: 32,660 kg (72,000 lb);
Power output	H-1: 121 hp (90 kW); H-2–H-4: 116 hp (87 kW); H-5: 126 hp (94 kW); H-6: 123 hp (92 kW);
Auxiliaries	120/208 V AC Battery Auxiliary
Electric system(s)	Third rail; 600 V DC (TTC); 750 V DC (Ankara Metro);
Current collector(s)	Contact shoe
Track gauge	4 ft 10+7⁄8 in (1,495 mm) (TTC); 1,435 mm (4 ft 8+1⁄2 in) (Ankara Metro & Expo Express);

The H series was the third series of rapid transit rolling stock used in the subway system of Toronto, Ontario, Canada. They were built in six production sets, named H-1 to H-6, from 1965 to 1990 in Thunder Bay, Ontario, for the Toronto Transit Commission (TTC).

The first five sets were manufactured by Hawker Siddeley Canada until 1979, when the company was purchased by the Urban Transportation Development Corporation (UTDC), which then took over production. They operated alongside their predecessor models, the M series, while the H-6 trains replaced the last remaining G-series trains in 1990.

All H-series cars were manufactured in a facility Hawker Siddeley inherited from Canadian Car & Foundry, which had earlier produced PCC streetcars for the TTC's streetcar network. The facility was taken over by Bombardier Transportation in 1991, which has continued to produce all subsequent rolling stock for the subway. They include the successor of the H series, the T series, introduced in 1996 and which replaced earlier H-series (H-1, H-2, and the prototype H-3) trains by 1999. The remaining H-4, H-5, and H-6 trains were replaced between 2011 and 2014 by the newest model, the Toronto Rocket.

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