Orion V

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The Orion V was a line of rigid high-floor transit buses available in 32', 35', and 40' lengths manufactured by Ontario Bus Industries (renamed Orion Bus Industries in 1995) between 1989 and 2009. The conventionally powered buses, either with longitudinally mounted diesel or natural gas engines, used a T-drive transmission coupling. The Orion V replaced the Orion I, and was in turn replaced by the low-floor Orion VI (introduced in 1993) and Orion VII (introduced in 2001).

Design

File:CyRide Orion V 954.jpg
A 2000 Orion V (05.501) 40 foot bus operated by CyRide.

The two-piece windshield of the Orion V has the driver's windshield canted towards the back of the bus to reduce reflections. The bus was available in both transit (two-door) and suburban (single front door) configurations.[1]

The Orion V uses a welded monocoque steel tube frame clad with steel and fiberglass panels, and an aluminum roof.[2]Template:Rp [3]Template:Rp [4]Template:Rp The interior floor height is Template:Convert except for the vestibule portion starting at the rear wheels, which is slightly lower at Template:Convert. The first step height is Template:Convert for the front (Template:Convert when knelt) and Template:Convert for the rear.[1] All buses, regardless of fuel type, use longitudinally mounted engines with a T-drive transmission coupling driving the rear axle.

Compressed natural gas (CNG) buses carry their fuel on the roof in eight tanks, with a collective volume of Template:Convert at a pressure of Template:Convert, measured at Template:Convert.[2]Template:Rp Diesel buses were offered with Template:Convert fuel tanks.[5]

Ontario (later Orion) Bus Industries (OBI) marketed the Orion V to both the Canadian and United States transit markets. Canadian buses were assembled at the OBI plant in Mississauga, Ontario. For the US market, to meet 'Buy America' requirements for federally subsidized transit vehicles, the Orion V was assembled by wholly owned subsidiary Bus Industries of America (BIA) in Oriskany, New York.

Models

Internally, OBI designated the bus model as 05.50x, with x designating the model number.[2]Template:Rp[3]Template:Rp

Model number Length Width Years available Fuel type Suburban or Transit
05.501 Template:Convert Template:Convert 1989-2009 Diesel and CNG Both
05.502 Template:Convert Transit
05.503 Template:Convert
05.504 Template:Convert
05.505 Template:Convert Template:Convert
05.506 Template:Convert

[6]

Hybrid prototypes

A series hybrid bus was developed by the New York State Consortium using an Orion V 40' chassis equipped with powertrain components supplied by General Electric. This hybrid bus prototype used tandem rear axles driven by four traction motors, one for each wheel. Electric traction power was generated by a Cummins B5.9 diesel engine rated at Template:Convert driving a Template:Convert alternator, and energy from regenerative braking was stored in nickel-cadmium batteries.[7]

Deployment

The Orion V was OBI's most popular transit bus.[8] The first production bus was sold to Mississauga Transit.[9] Major transit agency users included New York City (MTA), Toronto (TTC), and Washington, D.C. (WMATA). For MTA, some buses in the final order from 1999[10] were unreliable and plagued with significant structural corrosion.[11] Coast Mountain Bus Company in Vancouver operates the Orion V Suburban models built in 2008, the last buses built for a Canadian agency. The last Orion V models were built for Sonoma County Transit in 2008.

TTC retired its Orion V fleet in December 2015; the retirement event featured a final 40-minute ride on No. 9411.[12]

As of Template:Currentyear, a handful of Orion V models remain in operation such as Beaver Bus Lines of Brandon, Manitoba, which currently operates a number of former GO Transit buses built from 2000 to 2004 and Coast Mountain Bus Company in Vancouver that also runs the suburban Orion V models built in 2008, as the last Orion V buses manufactured for a Canadian transit system. With Everett Transit retiring their remaining 2001/2002 Orion V buses in December 2024, that leaves the Bee-Line Bus System, CyRide and Sonoma County Transit as the last operators of the Orion V buses in diesel and CNG configurations in the US.

Competition

References

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External links

Template:Sister project

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