Orion International - Product Lineup

Tractor: 37.5 ft (11.43 m) • 98.75 in (2.51 m)
Trailer: 35.5 ft (10.82 m) • 98.75 in (2.51 m)

Product Lineup

Orion has manufactured a number of different models of buses over its 30+ year existence. A list of models is given below; each increasing number is the next generation model.

Most buses today in service are of the Orion II, Orion IV or later.

Model	Length & Width	Produced	Fuel type
Orion I	31 ft (9.45 m) • 96 in (2.44 m), 35 ft (10.67 m) • 96 in (2.44 m), 37 ft (11.28 m) • 96 in (2.44 m), 40 ft (12.19 m) • 96 in (2.44 m)	1977–1993	Diesel Compressed natural gas
Orion II	21.92 ft (6.68 m) • 96 in (2.44 m), 25.92 ft (7.90 m) • 96 in (2.44 m)	1983–2003	Diesel Compressed natural gas
Orion III Orion-Ikarus Z86	60 ft (18.29 m) • 102 in (2.59 m)	1986–1989	Diesel
Orion IV	Tractor: 37.5 ft (11.43 m) • 98.75 in (2.51 m) Trailer: 35.5 ft (10.82 m) • 98.75 in (2.51 m)	1985–1989	Liquefied petroleum gas
Orion V	32 ft (9.75 m) • 96 in (2.44 m), 35 ft (10.67 m) • 96 in (2.44 m), 35 ft (10.67 m) • 102 in (2.59 m), 40 ft (12.19 m) • 96 in (2.44 m), 40 ft (12.19 m) • 102 in (2.59 m)	1989–2009	Diesel Compressed natural gas
Orion VI	40 ft (12.19 m) • 102 in (2.59 m)	1995–2004	Diesel Compressed natural gas Diesel-electric
	32.5 ft (9.91 m) • 102 in (2.59 m), 35 ft (10.67 m) • 102 in (2.59 m), 40.5 ft (12.34 m) • 102 in (2.59 m)	2001–2007 (original)
Orion VII		2007–2010 (Next Generation)
		2010-2013 (EPA10)