Proterra EcoRide BE35

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Proterra EcoRide BE35
Proterra EcoRide BE35
Years of manufacture 2008 to 2014
Length 35 feet
Width 102 inches
Power/Fuel Electricity

The Proterra EcoRide BE35 is a low floor battery electric powered transit bus that was available in the United States. The bus was launched in February 2008 with Proterra's California Clean Bus Tour, which started in Jose and had stops in Los Angeles, Sacramento, and San Francisco. Foothill Transit became the first agency to purchase the EcoRide BE35. The buses, called Ecoliners, began exclusive service on route 291 in Pomona, California in September 2010.

The EcoRide BE35 can travel up to 30 miles before the lithium ion batteries need to be recharged. The batteries are recharged through Proterra's Fast Fill charging station, where recharging takes ten minutes.[1] The bus's body is vacuum-assisted resin transfer molded glass fibre reinforced composite material. This allows for a significant reduction in the bus's weight. The Prodrive drivetrain is located at the rear and can be removed as one assembly. The radiator is mounted on the roof, near the front of the bus.

At the 2014 American Public Transportation Association Expo, Proterra unveiled their second generation electric bus. First launched as a 40-foot bus, a 35-foot version later became available.


Length: 34'9"
UQM PowerPhase 150 permanent magnet motor, 150 kW peak (100 kW continuous), 650 Nm
Borg Warner eGearDrive 3 speed
Front: ZF RL 75 EC
Rear: ZF AV 132
Knorr disc
37 seated passengers and 30 standing


United States Flag of the United States.png

Demonstrator/engineering units

Fleet number Thumbnail Year VIN Motor Transmission Notes
Feb. 2011 1M9TG11J0BG816007 UQM PowerPhase 220 Eaton ES-11209 Altoona test bus from March 14, 2013 to May 1, 2013.


  1. Foothill Transit tests first electric bus,, retrieved on 2010-07-28