transmission gears
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Senior User
Joined: Sep 2004
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transmission gears
Does anyone know the size of a semitrailer transmission gear? (width, diameter)
Do you know the cost of producing such a gear? It seems gears are pretty expensive. I wonder why. I know that sometimes a crown ring and pinion for even a Ford truck can cost over $100. Seems pretty expensive for a piece of mechanical device.
I wonder if it's cost of the metal and the machining or some other factors.
Thanks in advance
Do you know the cost of producing such a gear? It seems gears are pretty expensive. I wonder why. I know that sometimes a crown ring and pinion for even a Ford truck can cost over $100. Seems pretty expensive for a piece of mechanical device.
I wonder if it's cost of the metal and the machining or some other factors.
Thanks in advance
The Pacifier
Joined: Jan 2003
Posts: 8,245
Likes: 7
From: Cloverdale, BC
Biggest gear in a truck tranny is about 7 or 8 inches across, and an inch wide. The next one is about 7 or 7 1/2 inches by 2. They go on down like this to about 4 inches across.
But then, in a truck transmission, there are 2 countershafts, and an auxilliary section with 2 more countershafts.
Couldn't tell you a price though.
But then, in a truck transmission, there are 2 countershafts, and an auxilliary section with 2 more countershafts.
Couldn't tell you a price though.
