What is axle gear ratio?
What is axle gear ratio?
What Does the Axle Gear Ratio Mean? The axle ratio is the number of revolutions the driveshaft must make to spin the axle one full turn. This number is shown in the ratio, which represents the number of the ring gear’s teeth divided by the number of the pinion’s teeth.
What does a 4.10 rear axle ratio mean?
Having a 4.10 rear axle ratio means the drive-shaft spins 4.1 times per one revolution of the axle shaft that is going to the wheel. Truck makers are able to rate the trucks at a higher towing capacity with lower gearing. The maximum towing for the Super Duty with a 6.7L Power Stroke diesel V8 and a 3.55 axle is 27,300 lbs.
What’s the gear ratio on a 4×4 truck?
The gear ratio most interesting to 4×4 truck owners is the ratio between the driveshaft and axles – the differential gear ratio or axle gear ratio. It is controlled by the number of teeth on the ring vs. the pinion. A ratio of 4.56 means that as the axle turns one whole circle the driveshaft turns 4.56 circles.
What’s the rear axle ratio of a Ford F350?
The new Super Duty diesel comes with three rear axle ratios: 3.55, 4.10, and a 4.30. Take a look at the Ford’s towing guide chart below.
Where do you find the axle ratio on a Dodge?
The Axle Ratio is stamped on a Gear Ratio Tag on the axle cover. The stamped numbers on the left or right axle tube can also identify the axle. Chrysler Dodge differential gasket patterns can help you indentiy what rear end you have. 2000 – 2002 Front Axle Model Designation changes. These codes are arranged in alphanumeric order.
What’s the axle ratio for a four wheel drive truck?
Four-wheel-drive trucks will have a ratio in the front axle’s differential that closely matches that of the rear axle. Unless the truck’s window sticker lists an optional axle ratio, it will come with a standard ratio that’s selected by the manufacturer.
What’s the axle ratio for a Ford F250?
The axle ratio choices are vast because of the vast use of the vehicles they are put into. The F250 and the F350 non dually can have the 3.31 gears. The dually can get the 3.73, but not sure if the 3.55’s are available.
Which is better 3.73 or 3.21 axle ratio?
A numerically higher axle ratio provides a mechanical advantage to send more of the engine’s available torque to the rear tires (and front tires, in a four-wheel drive vehicle), but you pay the price at the fuel pump. So, a truck with optional 3.73 gears will tow a heavier trailer than one with 3.55 or 3.21.
How to identify the axle on a Ford truck?
Identify Your Ford Truck Axle From The Door Sticker – Blue Oval Trucks Identify Your Ford Truck Axle From The Door Sticker There’s no question, the easiest way to identify the axle and gear ratio in your truck is from the door sticker. If you open the drivers door and look at the door jamb, you’ll see a sticker like the one shown below:
