The poorer fuel economy in 4.10, compared to 3.73, is caused by having the engine work more to rotate the wheels. Engines connected with a 3.73 gear ratio will work less to rotate the wheel than those related to a 4.10 gear ratio. SpeedĪ vehicle having a 3.73 gear ratio will cruise at higher speeds compared to a 4.10. RPMĤ.10 has a lower axle wheel RPM than 3.73 since for every 100 axle wheel rotation, the ring gear will rotate 410 times, whereas the ring gear of a 3.73 will only need to spin 373 times for each 100 axle wheel rotation. The higher spin translates to a higher centripetal acceleration, which yields a faster acceleration for the 4.10. This situation results as the 4.10 gear ratio will have to rotate more than 3.73 to make a one-wheel rotation. 4.10 gear ratio Vehicle performance AccelerationĪ vehicle having a 4.10 gear ratio will accelerate and decelerate faster when juxtaposed to a 3.73. 4.10 gear ratio comparison chart The 4.10 gear ratio has better torque and towing capacity, but poorer fuel economy as opposed to the 3.73 3.73 vs. When you combine this information using tire size, you can easily compute the gear ratio using this formula: You can also calculate the gear ratio with rpm, the tire diameter in inches and the speed 3.73 vs. By observing the dashboard during driving, you can gather information on the RPM and speed of the vehicle. It’s possible to know the gear ratio your vehicle has without physical access to the differential housing. However, in saying and writing, :1 is neglected since the gear ratio is always measured to 1. You can calculate your gear ratio with the number of ring gear teeth and the number of axle pinion gear teethĪ differential unit having 37 ring gear teeth and 9 pinion gear teeth will have an axle gear ratio of 4.11:1. You can use this formula to calculate the gear ratio if you have information on the number of teeth the ring gear and axle pinion gear have. Therefore, the engine’s power can be concentrated on increasing the vehicle’s RPM and, ultimately, its speed. This condition occurs as the engine uses less effort to rotate the wheels of the vehicle. Vehicle engines connected to differentials with taller gears work less to generate higher rear wheel horsepower (RWHP). Since torque directly influences the towing capacity, vehicles with shorter gears haul heavier objects than those with taller gears. Torque is the rotational force that is abundant in shorter gears than taller ones. For instance, between the gear ratios 3.73 and 4.10, the former is the taller gear ratio and the latter is the shorter one. The ring gear then drives the wheel axle pinion gear to enable the vehicle to move.Ī gear ratio with a more significant number is referred to as the shorter gear ratio, while the one with a smaller number is considered as the taller gear. These gear sets include the drive shaft’s pinion gear that transmits the engine power to the differential ring gear. The differential unit houses a set of gear that enables the movement of the wheels. Vehicles are fitted with differential units to transmit engine power to the wheels. With ExpertGPS, you'll be able to calculate acreage, measure distance, elevation and grade. You can reproject data in any geographic format (lat-lon, UTM, US State Plane) and change datums instantly. You'll be able to convert any GPS, GIS, or CAD data to or from GPS tracklog over an aerial photo to see exactly where you went.ĮxpertGPS handles all your mapping and data-conversion jobs. Over scanned USGS topo maps and send a route directly to your GPS receiver to guide you in the field. View GPS waypoints and tracklogs from any handheld GPS receiver over aerial photos and US topographic maps.
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