[bushpilot]

Originally Posted by DeepVee

I'm not sure. I could try to calculate it but I'm not sure if my top gear is 1:1 or an overdrive ratio. I assume I have an overdrive and a 3.XX gear.

Good point & i knew someone would say that as soon as i was done typing it
...In full disclosure (while i also look for my 12th gear ratio ) -

Freightliner SmartShift ShiftControl can be supplied with 4 different tranny's

• Eaton Fuller AutoShift,Identified by a four-position selector switch is marked "R-N-D-L" - with auto/manual slide switch (Figure 1)

• ZF Meritor SureShift - Identified by a three-position switch marked "R-N-F" (older models) or "R-N-D" (newer models) - no slide switch on either.(Figure 2)

• ZF Meritor FreedomLine - Identified by the R- N-D - with auto/manual slide switch (Figure 3)

• Eaton Fuller UltraShift - 10 speed / 3 pedal (NOT SHOWN)

More info about the operation of each transmission can be found HERE