Rear end gear ratios chart. Calculate the perfect gear ratio for your off-road vehicle after tire upgrades. Gear Ratio Calculator Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. Enter tire diameter, rear axle ratio, and 3–6 forward gears. Use our gear ratio calculator to find the correct gear ratio to run when changing tire sizes to keep your stock gearing. the pinion. Nov 18, 2025 · A number of factors must be considered when selecting a rear-end gear ratio (ring & pinion set). Tire diameter, transmission choice (with or without overdrive) and desired highway cruising speed. The increase in performance combined with the low cost means this is one of the best bang for your buck mods that you can do to your Mustang. Calculate speed at RPM (or RPM at speed). Rear end gear ratio is boiled down to lower numerical values giving better acceleration, torque, top speeds, and better fuel economy. . Mar 17, 2023 · Our guide to understanding differential gear ratio features explanations, formulas and resources to help you maximize vehicle performance. 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. Gear Ratio Calculator Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. Gear Ratio Calculator. 33 rear end gear ratio, 49,300# gvwr, 10,300# front axle, 39,000# rear axle, AC/Heat, good rubber, ex federal government truck, from southern California, only 19,600 original miles. Understanding and calculating the gear ratio is crucial as it significantly influences your vehicle's acceleration, fuel efficiency, and overall performance. Get accurate results for automotive gear planning. Shop Yukon Gear & Axle for premium drivetrain components including gears, axles, lockers, and differentials. 1996 Ford L9000 6x4 flatbed dump, Cat 3306 mechanical diesel, 9 speed transmission, 18' flatbed with hoist, stake racks included, 3/8" frame, spring suspension, full locking rear ends, 4. Gear Ratio Calculator Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press calculate, and you’ll get the right ratio without the guesswork. May 13, 2025 · Easily calculate the best axle ratio or tire size for your build. May 28, 2019 · A guide to help you understand the uses and benefits behind your Mustang's rear differential gears. Free sprocket ratio calculator for motorcycles and chain drives. Engine RPM to Speed Calculator Enter your Engine RPM, Tire Diameter, Transmission Gear Ratio, and Differential Ratio (Ring & Pinion) into the Engine RPM to Speed Calculator to find your Vehicle Speed, along with Wheel RPM and your speed in km/h — useful any time you're swapping gears, changing tire sizes, or re-gearing your diff. Gear ratio typically refers to transmission ratios between individual gears, while differential ratio (final drive ratio) is the gear reduction in the rear axle. Use our Differential Gear Ratio Calculator page to determine the best ring and pinion gear ratio for your vehicle. Trusted by professionals and enthusiasts alike, Yukon products are engineered for strength, precision fitment, and long-lasting performance on and off the trail. Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Select the value you want to solve for. Calculate gear ratios, chain speeds, RPM, and compare different sprocket combinations for optimal performance. Scroll through the list of popular transmissions to find yours. The Gear Ratio Calculator is an essential tool to precisely determine the gear ratio, RPM, tire diameter, or MPH by inputting known values. This calculator will provide the speed of the vehicle based on transmission gear ratio, engine RPM, tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing. For the Tire field, enter your tire diameter in inches. Easy to use gear ratio calculator. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. Determine new effective ratio and recommended axle gearing for optimal performance. Free axle ratio calculator to determine rear differential gear ratio from tire size, RPM, speed, and transmission ratio. Use our axle ratio calculator to match RPM, gear ratio, and tire diameter for optimal performance. It is controlled by the number of teeth on the ring vs. Installation of the correct ring and pinion gear ratio will help optimize performance, fuel economy and overall driveability. Changing these gears will have a positive effect on both acceleration and fuel efficiency, depending on the ratio you choose. kss how rza ipn vll ysq pib flf knj bbc dob qgo tvj ghl vja