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G-series (Toronto subway car)

G-series
The Red Rocket (1).jpg
A G-Train heads south at Rosedale Station circa 1971
In service 1954–1990
Manufacturer Gloucester Railway Carriage and Wagon Company
Built at Gloucester, England
Constructed 1953–1959
Scrapped October 6, 1990
Number built 140 (Total)
G1: 100
G2: 6
G3: 6
G4: 28
Number in service None
Number preserved 2 (owned by private museum)
Number scrapped 136
Fleet numbers G1: 5000-5099
G2: 5100-5105
G3: 5110-5115
G4: 5200-5227
Capacity 62 seated
Operator(s) Toronto Transit Commission
Line(s) served Yonge–University line, Bloor Danforth line (only on farewell trip)
Specifications
Car body construction Steel (G1, G3, G4), Aluminum (G2)
Car length 17 m (55 ft 9 14 in)
Width 3.2 m (10 ft 6 in)
Height 3.5 m (11 ft 5 34 in)
Doors 6 sets (3 sets per side) per car
Weight 38,140 kg (84,000 lb)
Traction motors Crompton-Parkinson
Power output 68 hp (51 kW)
Auxiliaries None (?)
Electric system(s) 600 V DC Third rail
Current collection method Contact shoe
Braking system(s) Westinghouse Brake and Signal Co. digital electro-pneumatic braking and Electro-dynamic reheostatic service brake
Track gauge 4 ft 10 78 in (1,495 mm)

The G-series was the first of rapid transit cars used on the Toronto subway, built 1953-59 by the Gloucester Railway Carriage and Wagon Company of Gloucester, England, for the Toronto Transit Commission (TTC) of Toronto, Canada.

As the only Toronto subway cars to be manufactured outside of Canada, its design was mainly influenced by the and of the London Underground. Since the TTC's original concept for the subway system foresaw the use of rapid transit cars derived from the President's Conference Car (PCC) design of its streetcar network, the cars were also equipped with bulls-eye incandescent lighting similar to that of a PCC, and a small operator's cabin located in the front left corner of each car. To this end, it was influenced by the cars used on the Chicago 'L', felt through the work of DeLeuw, Cather & Co. of Chicago, whom the TTC contracted as a consultant for the rapid transit project.

The G-series cars were frequently described as "robust and reliable", despite being constructed overweight and energy-inefficient. On October 6, 1990 the last G-series trains operated on the Bloor-Danforth line, being replaced by H-series trains. The only surviving cars, still mated in original condition, are fleet number 5098 and 5099, which are kept at the Halton County Radial Railway in Milton, Ontario.

Two mockup cars were delivered with slight variation from the final design:

A total of 140 cars were built. Most were steel-bodied and had painted exteriors; however, six (G-2 series) experimental aluminum-bodied cars demonstrated the benefits of using aluminum for rapid transit car construction. The G-3 class cars were built as 'non-driving-motors' in that they had motorized trucks but were not equipped with an operator's cab or driving controls and thus could only be used in the middle of the train.


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