Attention: TDR Forum Junkies 
JLandry
TDR MEMBER
Engine RPM to MPH in Aisin Equipped 3500 w/4.10:1 Axles
This is for anyone who might like to know this if trying to decide what axle ratio to go with when buying a truck...
Using an UltraGauge (to get a digital readout of the engine rpm) during a freeway drive today, I had my navigator (a.k.a.: my wife) record the engine rpm at various road speeds in our 2014 3500 Aisin equipped dually with 4:10.1 axles.
The results were:
Best regards,
John L.
This is for anyone who might like to know this if trying to decide what axle ratio to go with when buying a truck...
Using an UltraGauge (to get a digital readout of the engine rpm) during a freeway drive today, I had my navigator (a.k.a.: my wife) record the engine rpm at various road speeds in our 2014 3500 Aisin equipped dually with 4:10.1 axles.
The results were:
55 mph = 1560 rpm
60 mph = 1720 rpm
65 mph = 1850 rpm
70 mph = 2000 rpm
75 mph = 2140 rpm
60 mph = 1720 rpm
65 mph = 1850 rpm
70 mph = 2000 rpm
75 mph = 2140 rpm
Best regards,
John L.
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