See below ratios through the 44 drivetrain. These numbers are calculated from the number of teeth through the drivetrain. I wrote a whole book about this that has ratios for 100 other tractors too, plus a breakdown of all tooth counts inside. Take a look at the link below.
MH 44 (all numbers are crankshaft rotations per one revolution of the rear axle)
Author/Publisher: The Antique Tractor Pull Guide
www. antiquetractorpullguide .com