TRANSMISSION SPECIFICATIONS
Allison B 500R Transmission
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Allison Transmission has built a reputation on their ability to build
transmissions that last just about forever. That is why Allison
Automatics are the preferred choice for many large, well-known
transit and charter bus fleets.
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When you factor in all life cycle costs along with the increased
productivity, an Allison Automatic-equipped vehicle costs less per
mile to operate than a comparable competitively equipped vehicle.
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On a vehicle with an automated manual transmission, the power
interrupts that occur during shift changes result in lower average
wheel horsepower. With an Allison Automatic, there is no power
interrupt during shift changes so Allison Automatic’s can make full
use of the engine’s horsepower. No power interrupts also
contribute to a smoother ride.
Gear Ratios
1st gear .................................................. 3.51:1
2nd gear ................................................. 1.91:1
3rd gear .................................................. 1.43:1
4th gear .................................................. 1.00:1
5th gear .................................................. 0.74:1
6th gear .................................................. 0.64:1
Reverse gears . . . . . . . . . . . . . . . . . . . . -4.8:1
Transmission Continued
Allison B 500R Features and Benefits:
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Six forward speeds, one reverse.
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Its dynamic shift sensing automatically selects between lower and
higher speed shift schedules based on the vehicle’s weight and the
grade on which it’s operating.
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It features a set of low and “super” low speed shift schedules
designed to keep the engine speed at its optimum point, maintaining
necessary performance without shift cycling.
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The transmission moves neutral at stop to reduces or eliminates the
load on the engine while the vehicle is stopped, reducing fuel usage
and emissions.
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Its acceleration rate management mitigates aggressive driving
practices by automatically controlling engine torque. The intensity of
control is determined by the vehicle’s weight and grade on which it’s
operating.
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To get the most out of every drop of fuel, Allison 5th Generation
Electronic Controls offer an enhanced array of smart controls
designed to increase fuel economy and fuel efficiency for the
specific needs of buses.
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