Well, 1kgf/cm is about 67ft/lbs.....
Are you sure?
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I'm getting 1 kgf/cm is about .07 ft-lbs.
67 ft-lbs is about the torque needed to install an AR15 barrel - I could turn a garden tractor wheel with that!
If you can supply the outer diameter of the drive sprockets (assuming the right had drive or bevel gears are 1:1, a scale speed could be determined......
I'd have to get home and measure them. They are stock HL Jagdpanther drive sprockets.
Steve