|Also called||K EB, K IA, K IB, K UA, K UB, K UD|
|Body and chassis|
|Class||Bus and Coach chassis|
|Body style||Single-decker bus
Single-decker articulated bus
|Doors||1, 2, 3 or 4 (1-1-0
|Floor type||Low floor (K UD)
Low entry (K UB and K UA)
Step deck (K EB, K IA and K IB)
|Power output||230-490 hp|
Scania Comfort Shift
|Length||9.4m to 18.1m|
|Height||3.0m to 4.4m|
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.
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 CNG engine fulfils emission euro 6, powered by Scania OC09 102 340 horsepower (K340IA) and OC09 106 320 horsepower (K320IA)
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.
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 have operated 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 & K310UB.
In Adelaide, Light-City Buses has 112 K230UB units, of which 98 are used on the O-Bahn Busway. Greater-northern and greater-southern, and hills operator SouthLink have 34 K230UB units + 13 KUB units for use in the Adelaide Hills.
In New Zealand, several operators have Scania K-series UB urban buses. Because of the additional weight of the 9-litre engine compared to the 7-litre units offered by other manufacturers, many (though not all) Scania urban buses are specified as 6x2 rather than 4x2. This helps reduce the operator's liability for road user charges, which are calculated by vehicle weight. Scania K-series urban buses may have tag axles at lengths where buses of other makes would not, e.g. NZ Bus's 2100-series and 2200-series at approximately 12.0 m and only 42 seats.
Scania K-series urban buses pioneered steerable tag axles in New Zealand, which became a requirement for buses between 12.6 m and 13.5 m in length. Because Scania K-series buses had a longer rear overhang than competing makes, the allowable overhang with a steerable tag axle was increased from 4.25 m to 4.5 m. The Scania K280 UB 6x2*4 and K320 UB 6x2*4 have been popular chassis for operators building high-capacity single-deck buses. New Zealand's first double-deck bus in regular urban service was a Gemilang-bodied Scania K310 UD 6x2*4.
The company made its first purchase of 500 K230UBs at a cost of S$180 million in early 2007, as part of its scheme to replace most of the ageing fleet and compliance with the new Euro IV emission standards set by local authorities. The single-decker buses are wheelchair accessible and have 2 wheelchair bays each. They are also fitted with 6-speed ZF automatic transmission, bodied by Gemilang Coachwork of Johor, Malaysia with a modified Scania licensed front.
In September 2008, SBS Transit purchased another 400 K230UBs at the cost of S$147 million, with similar features to the first batch of 500. However, these buses had Euro V EEV engine as standard, one wheelchair bay each in favour of extra seating.
SBS Transit made the last order for 200 more K230UBs in August 2009 at a cost of S$72 million.
SBS8900B was caught in an accident at Ayer Rajah Bus Park on Service 48 and was deregistered and scrapped in 2013.
Singapore Changi Airport contracted Woodlands Transport Service Pte Ltd to operate 3 Gemilang-bodied Scania K230UB for its internal shuttle services (Budget Terminal >> Terminal 2). Upon withdrawal of the shuttle services(due to the closure of Budget Terminal), these buses were repainted into SATS gateway livery and are used inside the Airport runway.
The twenty 10.6m versions of K230UBs have been registered between April and June 2009 and known as the ASB class. After undergoing tests, the first few units were finally introduced on route 2C plying between Yau Yat Tsuen and Tsim Sha Tsui on Sunday, 24 May 2009. Some other buses have also been introduced on suburban routes, such as route 7M & 24.
The ten 12m versions of K230UBs have also been registered between June and August 2009 and known as the ASC class.
A further 20 K230UBs of 12m length were ordered afterwards, with one being a Euro V demonstrator of the ASCU class.
Rapid Bus, a Prasarana Malaysia subsidiary company, currently operates one of the largest fleets of Scania K-series buses, with a total of 830 single-deck K250UB and K270UBs with three different service brands.
In 2011, Rapid KL placed an order for 150 Scania K270UB Euro III units. The bodywork and interior of these buses bear a close resemblance to the Euro V units SBS Transit has introduced earlier. Rapid KL placed a follow-up order for 300 units of K250UB Euro III vehicles in 2015.
Ten units Scania K250UB Euro III have gone into operation in December 2012. A total of 60 units has been purchased. The buses have restyled front and rear as well as a newly developed driver's place.
The K280UD, K310UD and K320UD is the double-decker city bus variant with an 8.9-litre DC9-18 5-cylinder 310 hp Euro IV compliant engine (hence the 310 in K310UD), or a 9.3-litre DC9-29 5-cylinder 280 hp Euro V compliant engine. The 'U' indicates the bus is designed for the urban application, the 'D' points out the chassis is made for a double-decker.
Kowloon Motor Bus of Hong Kong received two Scania K310UD (complete designation: K310UD6x2EB. The 6x2 shows the bus has a rigid bogie) buses with and ZF 6HP602 gearbox, the rear drive axle has a ratio (differential) of 6.20 and is also a product of ZF. The bus was designed in close co-operation with the body constructor Salvador Caetano (Waterlooville) in order to save weight.
The first one has been registered as MT6551 in March 2007 and entered service on route 104 in August 2007 after testing. The second one has been registered as NE6817 and entered service on route 69X in February 2008.
KMB later ordered a further 20 more units of the K310UD in 2009, they were registered in January 2010.
ASU1 and ASU2 were de-registered in March 2012 and were shipped back to Sweden afterwards.
In March 2011, Citybus received one Scania K280UD (complete designation: K280UD6x2EB) tri-axle double decker. This is the second Scania bus acquired by Citybus, about 10 years after the unique K94UB6x2/4LB was introduced in 2001 (fleet no. 2800). It is equipped with a Euro V compliant Scania DC9-29 engine, rated at 280 hp with maximum torque 1400Nm, both of which are lower than the KMB counterparts (310 hp power output with 1550Nm maximum torque), coupled to a ZF Ecomat 4 6HP604 NBS 6-speed gearbox. It is also bodied by Salvador Caetano, but with some minor changes from KMB ones.
KMB also received two Scania K280UD buses in late 2014 with newly designed Salvador Caetano bodywork. These two buses, like the one purchased by Citybus, are also equipped with Euro V compliant Scania DC9-29 engine. These two buses feature orange Hanover LED destination signs and uses high capacity layout with square staircase. The first bus has been registered as TE7277 with the fleet code ASUD1 in February 2015, with the second one registered as TF6087 with fleet code ASUD2 in March 2015.
SBS Transit received a K310UD demonstrator unit with Gemilang Coachwork SDN BHD bodywork on 26 March 2010. It was registered as SBS7888K. This bus is currently deployed as a training bus at Hougang Depot.
Auckland received a K320UD unit with Gemilang Coachwork Sdn Bhd bodywork in February 2013. It entered service on 6 March 2013.
Media related to Scania K-series at Wikimedia Commons
|Low-entry trucks||P-series with low-entry cab||L-series|
|Bus chassis ranges||4-series||Scania's bus and coach range (K-, N- and F-series)|
|Front-eng. chassis||F94HA + F94HB/F114HB||F HA + F HB|
|Low-floor chassis||N94UA + N94UB + N94UD||N UA + N UB + N UD|
|Low-entry chassis||L94UA + L94UB + K94UB||K UA + K UB + K UD|
|Intercity chassis||L94IA + L94IB + K94IB/K114IB/K124IB||K IA + K IB|
|Coach chassis||K94EB/K114EB/K124EB||K EB|
|Low-floor buses||OmniCity (CN94)||OmniCity (CN)||Citywide LF|
|Low-entry buses||OmniLink (CL94)||OmniLink (CK)||Citywide LE|
|OmniExpress 3.20 LE||Citywide LE Suburban|
|Intercity buses||OmniLine (IL94)||OmniLine (IK)||OmniExpress 3.20||Interlink LD|
|Coaches||OmniExpress 3.40 + 3.60||Interlink MD + HD|
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