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Ack's Samurai Gearing Calculator

Now with KPH Results!

This Gear Calculator is set up specifically for Suzuki Samurai Drivetrains.

Click HERE to use a generic gear calculator.

CALCULATE: Select a gearing value from each of the pull-down selection boxes.

OPTIONS: Enter an Engine RPM and the actual Tire Diameter to calculate the ground speed based on the overall ratio.

NOTES: Toyota Diffs are 4.10, 4.56, 5.29, 5.71 Gear ratio info from various sources including Jeff Pollock's Gear Ratio table and various manufacturers.

Differential Ratio: 3.73 3.730 3.730 3.900 4.100 4.300 4.560 4.570 4.625 5.125 5.200 5.290 5.380 5.430 5.625 5.710 5.830

Transfer case Ratio: 1.000 1.000 2.268 1.409 4.163 1.579 4.890 1.659 4.900 5.140 1.667 5.800 1.660 6.090 1.747 6.100 6.400 6.500 1.691 6.380 8.000 1.747

Transmission gear Ratio: 3.652 1st 3.652 1st 1.947 2nd 1.423 3rd 1.000 4th 0.795 5th pre 88.5 0.865 5th 88.5 onward

Engine RPM:

Tire Diameter:

Calculate