Illustrated glossary · Axle ratios
3.55 vs 4.10 axle ratio: which is lower gearing?
A 4.10 axle ratio turns the driveshaft 4.10 times for one turn of the wheels when both turn together. It gives more torque multiplication than 3.55, but also more driveshaft speed at the same wheel speed. A bigger ratio number means lower gearing.
See how it works
Keep wheel speed fixed and switch ratios. Compare shaft speed and output .
Axle ratio
The 3.55:1 ratio multiplies input torque by 3.55 and divides input speed by 3.55. The larger number gives lower gearing. This does not change the engine’s power.
An ideal lossless final drive with both wheels at the same speed. Transmission ratio and tire diameter stay fixed. These example ratios do not establish a vehicle’s tow rating.
The number counts input turns
At 100 wheel rpm, a 3.55 needs 355 driveshaft rpm. A 4.10 axle needs 410 rpm. With the same input torque, 4.10 also produces about 15% more axle output torque before losses.
Lower gearing does not create power
Gearing trades rotational speed for turning force. The engine, and tires determine how that trade feels on the road. A larger tire travels farther per turn, changing the relationship between engine speed and road speed again.
Towing still needs the exact build
An can change a manufacturer’s , but it does not supply a rating by itself. Use the table for the truck’s engine, cab, drive system and equipment. and hitch limits remain separate checks.
Explore it on a vehicle
Pick an equipped build to explore. Prices before .
2026 Ford F-150
- XLStandard · 3.55:1 axle$37,290Regular Cab, 8-ft bed
- STXStandard · 3.55:1 axle$44,855SuperCab, 6.5-ft bed
- XLTStandard · 3.55:1 axle$45,695SuperCab, 6.5-ft bed
- LariatStandard · 3.31:1 axle$59,560SuperCrew, 5.5-ft bed
- King RanchStandard · 3.55:1 axle$65,825SuperCrew, 5.5-ft bed
- PlatinumStandard · 3.55:1 axle$68,800SuperCrew, 5.5-ft bed
- TremorStandard · 3.73:1 axle$64,915SuperCrew, 5.5-ft bed
- RaptorStandard · 4.1:1 axle$79,005SuperCrew, 5.5-ft bed
About these examples
Year-specific examples from our catalogs, not a complete market list. A missing vehicle or trim does not establish that the feature is unavailable. Each illustration and link uses the shown build. Unknown prices stay unknown.
2026 Ford F-150
These exact builds have a catalogued rear axle ratio. The tool carries the selected axle and towing equipment.