Friday, August 21, 2020

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Australia Wide Coaches - Coach Design bodied Scania K480 EB6X2NI Opticruise - SB94CN.jpg

The Scania K series is a series of chassis in Scania's city bus and coach range with longitudinally, straight-up mounted engine at the rear, replacing the K- (K94, K114, K124) and L-type (L94) chassis of the 4 series. The K series was first presented on Busworld 2005 in Kortrijk, Belgium and models were available from 2006.

Approximation of the power rating in hp to the nearest ten. The power code has spaces on both sides.

K 230 UB4x2LB would be a two-axle "low entry" city bus, while K 480 EB6x2*4NI would be a tri-axle long-distance coach.

Note: One might think that double-decker coaches are designated as (e.g.) K 440 ED6x2*4NI. But they still use K EB for some reason.


When introduced, the K series was available with Euro IV-compliant 8.9-litre (8867 cc) 5-cylinder engines (DC9) with output of 230 hp (1050 Nm), 270 hp (1250 Nm) and 310 hp (1550 Nm) as well as the 11.7-litre (11705 cc) 6-cylinder engines (DC12) with output of 340 hp (1700 Nm), 380 hp (1900 Nm), 420 hp (2100 Nm) or 470 hp (2200 Nm), the latter being a DT12 turbo-compound engine. For the 5- and 6-cylinder engines Scania is using exhaust gas recirculation (EGR) and selective catalytic reduction (SCR) systems to fulfill the legal Euro emission standards.

In 2008 Scania released upgraded Euro V engines in order to meet these regulations. The 5-cylinder DC9 (later DC09) engines featured a larger bore and displace 9.3-litres (9291  cc) instead of 8.9-litres. The new DC13 engines feature both a larger bore and a longer stroke and therefore displace 12.7-litres (12742  cc) instead of 11.7-litres. Some engines also received slight performance improvements, for example the DC9 engine that outputs 310 hp (1550 Nm) was upgraded to 320 hp (1600 Nm).

With the introduction of Euro VI engines in 2013, the DC09 outputs 250 hp (1250 Nm), 280 hp (1400 Nm), 320 hp (1600 Nm) and 360 hp (1700 Nm), while the DC13 outputs 410 hp (2150 Nm), 450 hp (2350 Nm) and 490 hp (2550 Nm). Euro III, IV and V engines are still available for export markets.

For alternative fuels, the 9.3-litre was available as the OC9 CNG engine with power outputs of 270 hp (1100 Nm) and 305 hp (1250 Nm), which from the introduction of Euro VI was replaced by the OC09 with power outputs of 280 hp (1350 Nm) and 340 hp (1600 Nm). The 8.9-litre is available as the ethanol fueled DC9 E02 with a power output of 270 hp (1200 Nm).

The K280EB, K310EB, K320EB, K340EB, K360EB, K380EB, K400EB, K410EB, K420EB, K440EB, K450EB, K470EB, K480EB and K490EB chassis have independent front suspension and are used for top end coaches. (4x2, 6x2 and 6x2*4).

The K310IA is an articulated intercity bus chassis available in Latin America as 6x2/2 and 8x2/2.

TransJakarta has one K340IA 6x2/2 (CNG) (fleet no. TJ 0187), 51 units K320IA 6x2/2 (CNG) (fleet no. TJ 0188-0238) and 56 units K320IA 6x2/2 (CNG) (fleet no. MB1601- 1656) from TransJakarta operator PT, Mayasari Bakti.

The CNG engine fulfils emission euro 6, powered by Scania OC09 102 340 horsepower (K340IA) and OC09 106 320 horsepower (K320IA)

The K270IB, K280IB, K310IB, K320IB, K340IB, K360IB, K380IB, K400IB, K410IB, and K420IB are the intercity bus variants but are also used for coaches. Available as 4x2, 6x2, 6x2*4 and 8x2.

The K270UA, K280UA, K305UA (CNG), K310UA, K320UA, and K360UA are the articulated (6x2/2) city bus variant which can be ordered with the two stronger 9-litre diesel engine variants or the strongest 9-litre CNG engine variant.

Sydney Buses currently has one K310UA (Fleet No. 2111) in service on Metrobus Route 10, plying between Maroubra Junction and Leichhardt via CBD.

In Adelaide, Light-City Buses currently have 65 K320UA units (1101-1119, 1121-1166) plus 5 K360UAs (1849-1850, 803-805). In addition Torrens, Transit has one K310UA unit (1015) which was used as an initial trial bus on the O-Bahn and is owned by Scania. TT also has 12 K320UAs (1170-1181) and 4 K360UAs (1182, R806-R808). Southlink currently has 20 K320UA units (2831-2850) plus 16 K360UAs (2851-2857, 3371-3376 and R800-R802). There is also a K320UD being trialled in the hills (3401)

The K230UB, K250UB, K270UB, K280UB, K305UB (CNG), K310UB, K320UB, and K360UB are the rigid (4x2 or 6x2*4) city bus variant which can be ordered with all 9-litre engines. A pair of K380UB 6x2*4 with the 11.7-litre engine has also been made for a customer in Norway.

Numerous bus operators in Australia operate the Scania K-series chassis.

In Melbourne, CDC Melbourne, Transdev Melbourne and Ventura Bus Lines all operate fleets of K230UBs. In Geelong, CDC Geelong operates a number of K230UBs and McHarry's Buslines also operate a number of K270UBs, K270IBs, K280UBs, K280IBs, K320IBs and one K310IB.

In New South Wales, Busways and ComfortDelGro Australia's Hillsbus and Hunter Valley Buses subsidiaries have significant numbers of K230UB, K280UB and K310UB in their fleet.Transdev NSW also operates a fleet of K230UB while State Transit operate K280UB and K310UB.

Scania K series


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