ArvinMeritor, headquarted in Troy, Mich., introduced a new version of its ultra low floor bus axle (ULFA) electrically powered bus axle--now configured to fit super-single tires.
The new specially designed beam of the ULFA axle allows a full flat floor design to be adopted in a city bus application.
The single tire axle allows a constant floor height of 340 mm above road surface with a maximum aisle width of 850 mm over the axle.
Transmission from the twin electric motors is through twin spiral bevel sets and planetary wheel-end reduction with an overall ratio of 22.93 to 1.
ABS and cartridge type wheel end bearings are standard, as are Meritor DX25-23 type air disc brakes.
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