Ikarus 280

Ikarus 280 was an articulated bus produced by Hungarian bus manufacturer Ikarus from 1973 to 2002.[1] It was succeeded by the Ikarus 435 in 1985. Urban, semi-rural and rural variants exist (see the subtypes below).

Ikarus 280
Preserved Ikarus 280 at the Public Transport Museum, Prague in September 2013
Overview
ManufacturerIkarus
Body and chassis
Doors2 (Ikarus 280.10) to 4 (Ikarus 280.08)
Floor typeHigh-floor
ChassisSemi-self-supporting with frame, inspired by VöV-1 design
RelatedIkarus 256
Ikarus 260
Ikarus 293
Ikarus C80
Powertrain
EngineStraight-six Diesel engines:
  • Rába-MAN D 2156
  • Rába-MAN D 2356
  • Rába-MAN D 2866
  • Rába D–10
Capacity93-160, depending on the door formula and seating arrangement
Power output141–184 kW (189–247 hp)
TransmissionCsepel ZF 6-speed manual

Csepel HAFO 6-speed manual

Praga 2M70 2-speed automatic
Voith DIWA
ZF Ecomat 4HP and 5HP
Dimensions
Length16,500 mm (54 ft 1 5⁄8 in)
Width2,500 mm (8 ft 2 3⁄8 in)
Height3,165 mm (10 ft 4 5⁄8 in)
Curb weight12,580 kg (27,730 lb)
Chronology
PredecessorIkarus 180
SuccessorIkarus 435
Interior of Ikarus 280

Construction features

The Ikarus 280 is a model of the Ikarus 200 series. It is made of two rigid sections linked by a pivoting joint. The body is a semi-self-supporting body with a frame, the Raba-MAN D2156 inline-6 diesel engine is mounted in the front section.[lower-alpha 1] It powers the middle axle, meaning that the bus has puller configuration. All three axles are air-sprung beam axles with additional telescopic shock absorbers. Both rear and middle axles were made by Rába, while the front axle was made by LiAZ.[lower-alpha 2] Either an automatic or a manual gearbox was installed that allowed a top speed of 65 to 90 kilometres per hour (40 to 56 mph). The manual gearboxes came in either five- or six-speed configuration, and were mated with a dry single-disc clutch. The Ikarus 280 has a pneumatic braking system, a spring loaded parking brake, and an exhaust brake. The steering is hydraulically assisted.[2] The buses, in actual applications, have a minimum of 26 seats, and space for up to 134 additional standing passengers.[lower-alpha 3]

Production and operation

Production started in 1973 and ended in 2002. The 280 was based on the Ikarus 200 platform and had many variants produced. Currently (2020), the number of Ikarus 280 buses in active service is declining, due to supply of new low-floor buses. The articulated buses 281(RHD), 282 (18 m (59 ft)-version), 283 and 284 (pusher configuration), C80, C83, the articulated trolleybuses Ikarus 280T, 283T, 284T and the double articulated Ikarus 293 were based on the Ikarus 280.


Ikarus C80

Ikarus C80 is a limited-run reproduction of Ikarus 280 in 2000s. It is slightly different from original Ikarus 280 in few regards. All are used by Hungarian company Volanbusz.

Ikarus C80 subtypes [3]
Subtype Engine Gearbox Door formula
C80.30A Rába D10 UTSLL ZF 4HP 500/Voith-Diwa 851.3 2-0-2-2 wide
C80.30M Rába D10 UTSLL ZF S6-120U 2-0-2-2 wide
C80.33 Rába D10 UTSLL ZF S6-120U/ZF 4HP 500/Voith-Diwa 851.3 2-2-2-2 inward folding
C80.40A Rába D10 UTSLL ZF 4HP 500/Voith-Diwa 851.3 2-2-2-2 wide
C80.40M Rába D10 UTSLL ZF S6-120U 2-2-2-2 wide

See also

Notes
  1. Different batches with different engines also exist.
  2. Different batches with different axles also exist
  3. This capacity corresponds to approximately seven standing passengers per square metre (or one per square feet)

References
  1. "Фото: Таджикистан, № 0171 ТТ 01 — Ikarus 280.33O — Фотобус". fotobus.msk.ru. Retrieved 15 October 2016.
  2. Oswald, Werner (ed.): Kraftfahrzeuge der DDR, (2nd ed.), Motorbuch-Verlag, Stuttgart 2000, ISBN 3-613-01913-2, p. 315 (in German)
  3. Those subtypes are numbered to correspond to similar types of original Ikarus 280.
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