Operation Profile
Select a Shift Style
Transmission Gearing
RPM calculation below is based upon vehicle speed in top gear (Miler Per Hour)
Constraints Messages- click on constraint to address issue
* Change Drive Axle Ratio
* Consider automated or automatic transmission to remove driver variation & get maximum economy
* Gearing is not for an automatic transmission. Choose Allison 5-7 Speed or TC10
Engine Speed Calculator
Tire size: Revolution/Mile - Review drop to see basic tire size rev data
Miles Per Hour
Miles Per Hour:Speed at which the vehicle will operate the majority of use
Drive Axle (RAX) Ratio
Ratio, Drive Axle : Enter a smaller number (faster ratio) to decrease RPM or a larger number (slower ratio) to increase RPM, as necessary
Top Gearing Ratio
Ratio, Transmission Top Gear: Derived from the Transmission Gearing input selection above
Engine
Ratio, Auxiliary Transmission: Review drop to see basic ratios. If not using an auxiliary use the N/A value of 1.00
Calculated RPM falls within range for the Operation Profile specified
Calculated RPM falls within range for the Operation Profile specified