New Flyer Industries DE40LFR

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New Flyer DE40LFR
New Flyer DE40LFR
DE40LFR with GM-Allison system and low-profile enclosure
Years of manufacture 2006 to 2013
Length 40 feet
Width 102 inches
Power/Fuel Diesel-electric hybrid
New Flyer DE40LFR
DE40LFR with GM-Allison system and original enclosure

The New Flyer Industries DE40LFR is a restyled version of the DE40LF model from New Flyer Industries. It features a curved front end, as well as a smoother rear end with recessed taillights. The majority of the bus remains the same.

As of January 2014, New Flyer has pulled the DE40LFR along with other LFR models from their webpage, therefore discontinuing them. Its replacement in the New Flyer lineup is the XDE40.


In 2007, some models were given the name DE41LFR to reflect added length to the bus with the Cummins ISL engine and Allison parallel hybrid system. However later models were given back the DE40LFR designation.

Aesthetic and design changes

In addition to the changes made to the general New Flyer Industries Restyled design, the DE40LFR received changes unique to hybrid models.

In 2007, New Flyer introduced a restyled low-profile enclosure for the DE40LFR. It debuted with ETS and ABQ RIDE. It was likely requested due to low clearance on the High Level Bridge, a main corridor from downtown Edmonton to the south side. ISE Corporation have also developed their own battery enclosure which differs from New Flyer's design used with Allison hybrids.

As what is likely a special request by the Southeastern Pennsylvania Transportation Authority (SEPTA), a batch of DE40LFRs were delivered with the roof fairing that is used on the E40LFR with the housing of the batteries and HVAC used on the BRT models. The roof assembly curves down to the roof just at the end of the battery pack. The first bus with this option was delivered to SEPTA in March 2010. Other systems have since taken the same option.



  • Cummins ISL9 EPA 2010, 8.9L, 280 hp (parallel, 2010-2013)
  • Cummins ISB6.7 EPA 2010, 6.7L, 260 hp (series, 2010-2013)
  • Cummins ISB EPA 2007, 6.7L, 260 hp (series, 2007-2009)
  • Cummins ISL EPA 2007, 8.9L, 280 hp (parallel, 2007-2009)
  • Cummins ISL EPA 2004, 8.9L (parallel, 2006-2007)
  • Cummins ISB EPA 2004, 5.9L (series, 2006-2007)

Hybrid System


  • ACQ Pressure Preserved Plywood subfloor
    • Altro Transfloor
    • Tarabus


  • Thermo King roof mounted (2010-present)
  • Thermo King T11 rear mounted (2006-2010)


  • MAN
  • Meritor (no longer offered after 2007)


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Demonstrator and engineering units

Fleet number Thumbnail Year VIN Engine Hybrid system Notes
New Flyer Industries DE40LF demo with frameless windows.jpg 2005 5FYH4FV105B027819 Cummins ISL Allison EP40 System
  • Builder's plate model number lists DE40LF
  • Displayed at 2005 and 2006 CUTA Trans-Expo
  • Received frameless windows in 2006
  • Silver with orange New Flyer retro logo on sides
New Flyer Industries
Current Models

Battery-Electric: 35ft: XE35 - 40ft: XE40 - 60ft: XE60
Compressed Natural Gas (CNG): 35ft: XN35 - 40ft: XN40 - 60ft: XN60
Diesel: 35ft: XD35 - 40ft: XD40 - 60ft: XD60
Diesel-Electric Hybrid: 35ft: XDE35 - 40ft: XDE40 - 60ft: XDE60
Electric Trolleybus: 40ft: XT40 - 60ft: XT60
Hydrogen Fuel Cell: 40ft: XHE40 - 60ft: XHE60

Past Models

Compressed Natural Gas (CNG): 30ft: C30LF - C30LFR - 35ft: C35LF - C35LFR - 40ft: C40 - C40LF - C40LFR
Diesel: 30ft: D30LF - MD30 - 35ft: D35 - D35LF - D35LFR - MD35 - 40ft: D40 - D40LF - D40LFA - D40LFR - D40S - D40i - 45ft: D45S - 60ft: D60 - D60LF - D60LFA - D60LFR
Diesel-Electric Hybrid: 30ft: DE30LFR - 35ft: DE35LF - DE35LFA - DE35LFR - 40ft: DE40LF - DE40LFA - DE40LFR - DE40i - 60ft: DE60LF - DE60LFA - DE60LFR
Electric Trolleybus: 40ft: E40LF - E40LFR - 60ft: E60 - E60LFR
Gasoline-Electric Hybrid: 35ft: GE35LFR - 40ft: GE40LF - GE40LFA - GE40LFR
Hydrogen-Electric Hybrid: 40ft: HE40LF
Hydrogen Fuel Cell: 40ft: F40LF/H40LF - H40LFR
Liquified Natural Gas (LNG): 30ft: L30LF - 35ft: L35LF - 40ft: L40 - L40LF - L40LFR

Platform Invero - Low Floor - MiDi - Xcelsior