BYD Auto K11M

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BYD Auto K11M
Years of manufacture 2014 to present
Length 60 feet
Width 100 inches
Power/Fuel Electric

The BYD Auto K11M, also called the "Lancaster", is a low floor, articulated battery-electric transit bus. It can be fully charged in two to three hours and can travel a distance of 200 miles or 321 kilometres in an urban environment. The bus was launched at the 2014 American Public Transportation Association Expo in Houston, Texas. The first customer to take delivery of the 60-foot electric bus was the Antelope Valley Transit Authority in May 2017. The 13 buses are part of their campaign to fully electrify its fleet by 2018.[1]

Like the 12-metre BYD Auto K9, the K11M uses in-wheel traction motors (on the 'C' axle) and iron-phosphate batteries. Its outward appearance is quite different from the K9 at the front and rear ends along with a more rounded roofline.



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Demonstrator and engineering units

Below is a list of known demonstrator and engineering buses.

Fleet number Thumbnail Date VIN Motor Notes
Sept. 2014 4B9KCLA55F2038001
  • Chassis no. CK6190DJEV
  • Launch vehicle at 2014 APTA Expo
  • Gold base paint
  • Trialed w/ LACMTA Dec. 2014
  • Trialed with STL Laval in March 2016
  • Trialed with GTA transit systems (inc. DRT, MiWay, YRT) in Apr. 2016
  • Displayed at 2016 Ontario Transportation Expo
  • Displayed at 2016 CUTA Trans-Expo
  • Latin American demonstrator
  • Silver base paint
  • Doors on both sides
February 2019 4B9KCLA54J2038032
  • Doors on both sides
  • Tested at Altoona from March 1-October 22, 2019
August 2019 4B9KCGA84K2038003
  • Doors on both sides
  • Demonstrated with TransLink in October 2019 but never went into revenue service