We custom manufacture transmission speed gears for tractor pulling. They have a special pressure angle geometry which results in a stronger tooth. All of our gears are machined from high quality alloy steel, and heat treated to a hardness which exceeds OEM specifications. We can change your ground speed (gear ratio) by changing the number of teeth on the driver and driven gears. Any information on what gear ratio someone is running is confidential. We won't tell you what they are running, and we won't tell them what you are running.
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All of our transmission & pto gears are made in our facility right here in the U.S.A. We do not import any of these gears.