The ring gear is attached to the differential carrier, which is housed in the rear end housing. Traditional BOMs are 6 digits followed by 1 or 2 digits, and start with the numbers 60 or 61. Use the images and information listed below to help identify which differential your vehicle has before ordering parts. For example, you might see 3994-1 for the BOM, but the 60 has been dropped and the actual BOM is 603994-1. The code would be stamped on the plate, and youll find it easily if you look closely. You can determine the gear ratio of your truck by the VIN decoding, checking the axle, differential cover, driveshaft revolution, and calculation of the teeth of the pinion gear and ring gear. In the most basic terms, when the input gear rotates the engine more than the output gear rotates the wheel, this creates the greatest amount of torque. A 15-digit Vehicle Identification Number (VIN) provides a wealth of information about a cars safety and legal compliance, production and distribution, and history. Check these troubleshooting and repair guides for more help on your Dodge. But we believe everyone would agree that learning about what each of the characters holds would help them for a lifetime, and be aware of how to find gear ratio by VIN is a power you must possess. Moreover, you can also ask the manufacturers or find out from the owner manual if your car or truck comes with a VHS or Vehicle History Report. All you need is the Vehicle Identification Number (VIN) of your car, truck or SUV. for BOM 603994-1, the differential is a standard Dana 60 with a 3.73 Gear Ratio). 2nd generation of this series has 7-automatic speed transmission have low rpm with a low gear ratio of around 2.92 but has a high towing capacity. vehicle and its unique history. We could seriously discuss the pros and cons all day, but I think it must come down to what you need your gear ratios for. From the driveshaft revolution, you can find the gear ratio. VIN is the identity of your pickup truck. Your email address will not be published. If you want to double-check that your tags are correct, use the methods below to determine how many times the wheel rotates every drive shaft rotation. 2007 to 2021 series of this version except 2014 with 44 double cab configuration have 4.10 and 4.30. It's time to replace the lubricant in your rear differential. The 9th character has nothing to do with the car but stays as a check digit marker. Torque converters can use in trucks with automatic transmissions, but a low ratio has a significant impact. Another method you can use is by decoding and find this value. These are more fuel-efficient to high mileage coverage. Apr 8, 2008. Now you know how to find your gear ratio by VIN, you can learn more about how your cars engine works. If you tow a lot or are looking to put a lot of power to the ground at all times, then the higher gear ratios like the 3.92 and 4.10 are going to work better for you. Transmission Options Other benefits of changing a cars gear ratio include: If you want to tow heavier loads, altering the gear ratio can give your car the power needed throughout various gears to pull the extra weight. How To Reset Fuel Filter Life On 2006 Duramax Like A True Expert? I recently started a blog about welding gear.I am also a DIY welding enthusiast because it is affordable for any household work. The VIN can also be found on the driver-side doorframe label (2), as well as on documents related to the vehicle's registration, title and insurance. FORD ID TAGS | GM RPO CODES | DANA SPICER BOM NUMBERS | VISUALIDENTIFICATION. Well, you are going to have to pop the hood and start doing some math! These drive axles are connected to the rear end via U-Joints. Is it OK to interchange Chevy truck beds? How to find out the gear ratio with the VIN number? Toyota Tacoma of 1998 model has gear ratio around 3.9 with engine 3.4L V-6 5-speed manual transmission, while 1999 has 4.56. 2000 to 2004 with extended cab 44 run at 2500rpm at 70mph have gear ratio around 3.73 and 4.10. High gear ratio provides best fuel economy rating and towing capacity like 2020 to 21 have 3.21, 4.10, and 3.73. But they don't do that anymore according to my dealer. You do not need to open the differential because it can cause a mess. You might have guessed by now that this section right here is where were going to find about the gear ratio, and youre right! Whats your favorite flavor of cordless tools? The gear ratio is the number of rotations that the drive wheel makes for every rotation of the axle. If you are going out on a ride with a particular duration and distance in mind then knowing your average speed per crank rotation will allow you to calculate how long it will take you to reach your destination and back again. This sequence of numbers identify the exact car that holds the VIN that is being looked up. This is literally just scratching the surface when it comes to gear ratios. As a result, the 2001 to 2003 series have a value of about 3.73, ideal for towing and maintaining speed during driving. For example, when ring gear has 37 teeth, and the pinion has 12, divide 37/12 to get the gear ratio of your pickup, which is 3.03. The easiest way to do this is by counting the teeth on your ring gear and pinion gear. The VDS is found in the fourth to eighth characters, you will find information here about a cars model, brand, and gear ratio. 392 Hemi. 1st generation of this model start has a gear ratio of 3.54 while the second generation (1994 to 2001) has 4.10. 3 M (Medium) It depends on the fuel amount you use while driving on the highway at high speeds. A few common places where these stickers are located: This is a tricky question. If the gear ratio is in the car's VIN, you will see 3731 as part of the VDS. Search for the VIN and it will generate a PDF with the build info. 2005 to 2006 of this generation truck with V-8 & V-6 auto/manual transmission have gear ratio about 3.77, 3.91, 3.92, and 4.08. Required fields are marked *, document.getElementById("comment").setAttribute( "id", "ac7007c182f86353d0c5e0a8ebb70792" );document.getElementById("f9c35d78d0").setAttribute( "id", "comment" );Comment *. Some people prefer to mark the tire and driveshaft with soapstone or chalk while performing this test, calculate the total revolutions easily. It has various gear ratios due to multiple reasons like more mileage, high acceleration, and fuel economy. You are using an out of date browser. Remove one jack stand and put one tire on the ground if the wheel spins oppositely, indicating that the differential is open. The input gear in the first gear is much smaller than the input for the fifth gear. Essentially, the higher the number of ratio, the faster the wheels are going to spin at any given RPM. The BOM will identify the model number, the gear ratio, the type of axle / differential, and component parts. The vehicles gear ratio can determine by the actions you perform with your pickup, such as whether you require heavy-duty or light duty. This series also have hybrid models with standard Vortec 5300 V-8 and 4-speed automatic transmission having a gear ratio of around 3.23. The VIN can be decoded to identify the year, make, model, and specifications of your vehicle but can also be used to determine important details such as rear-end gear ratio. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Alternatively, you can just find the gear ratio in your vehicle 17 digit VIN number. This number is algorithmically generated and identifies whether the VIN that has been entered is a valid Dodge VIN. it seem almost impossible to find a read more. It can be present on the doors of the drivers side, above the steering wheel on the dashboard, or on the track title. Stamped on the engine, transmission, and drive train. 4 High Once you have that, just follow these steps: 1. Privacy Policy About Contact Terms of Use. Canada. There are a few ways you can go about identifying what you have. Gear ratios are the attributes that determine how fast a car can go. Go to the Dana Aftermarket Media Library (, Search for the BOM within the PDF (e.g. Like many parts on your truck, gear ratios can be swapped out and changed to better suit your application. 3rd generation starts from 2002 to 2008 have 3.73 and 4.10 that affect on the RPM. Dodge will give you everything it came off the assembly line with including special options. The model, displacement, and body type of the vehicle are often included in this section. Ford 2015-16 with 3.5-liter, 5.0liter, and 2.7liter EcoBoost with V-8 engine provide four different axle ratios around 3.15, 3.73, 4.10, and 3.32. These characters are known as the VDS vehicle descriptor section. Determine Gear Ratio by VIN Defuse Jul 9, 2015 1 2 Next Jul 9, 2015 #1 Defuse Member Joined Feb 3, 2015 Posts 40 Reaction score 47 Ram Year 2014 Engine 3.0 EcoDiesel Hello all. If the gear ratio is in the VIN, this is where it will be. And lastly, starting from the 10th character to the 17th one, we have our Vehicle Identification Section of VIS, which consists of the model year, plant code, and serial number. Find the VIN of your vehicle. Contact Us The gear ratio of your Ram is on that label. Diesel engine truck with high torque does not need a high gear ratio because it has enough towing capacity to tow heavy trailers easily. The order of meaning in the digits and the type of information included varies by manufacturer. The gear ratio is determined by multiplying its number with that of its corresponding axle. Jesse Dempsen has written professionally since 2010. However, it becomes different for each truck, and a low gear ratio makes your vehicle fuel efficient allow the driveshaft to spin the axle faster, and revolution becomes high. Vehicle Descriptor Section or VDS consists of every detailed knowledge regarding the automobile body parts be it the engine size and code, trim level, safety equipment, or body style, all of it is carried by the 4th to 8th characters. These may be as shown below: 1 E (Economy) Read along and join us in the journey to unravel the mysteries of the VIN code! Identify the VDS section, the fourth through eighth digits of the VIN. Another way to tell what gear ratio you have is to contact your local dealer and provide them with the VIN. Spin one of the wheel in engine neutral condition after adjusting it. Each number and letter contained within a VIN reveals information about the vehicle, such as the make, model, production year and engine size. Since the VIN represents data based on the initial manufacturing process, modified body parts cannot be tracked down in many cases. Step 1 Find the VIN of your vehicle. At Trucksauthority.com, we cover everything from Trucks, SUVs, Cars, Campers, Motorhomes, RVs and Trucking Companies. Torque has a direct relationship with towing capability, and higher torque means more. The BOM may be used with the Dana Aftermarket website to identify all aspects of a particular axle: VISUAL AXLE / DIFFERENTIAL IDENTIFICATION. You can determine the gear ratio of your truck by the VIN decoding, checking the axle, differential cover, driveshaft revolution, and calculation of the teeth of the pinion gear and ring gear. A great example of this is when you take two gears from two different gearsets equipped with different ratios and expect them to match up perfectly because they are close to each other but not exactly the same. 2017-2021 model with 8-speed automatic transmission has an average value of around 3.08, and other optional values are 4.10 and 3.32. After doing some research, it seems that the majority of these year Dodge Rams came with that axle ratio. Can the axle gear ratios be determine from the VIN number . VIN codes are a magical creation for sure, but it has its shortcomings too. Before we share exactly how to find your gear ratio by VIN, lets first explain what a gear ratio is. K+N 77 seies CAI,Magnaflow Y-Pipe,Magnaflow 12589 muffler,3865 SC tuner,4.56 gear upgrade,POR15 the frame,Bilistein shocks and steering stabilizer,power wagon coil springs and rims,33" BFG all terrains,power wire,180 jet T-stat,Power wagon factory rims,More to come. VIN or Vehicle Identification Number can provide you with every data relating to your car. There is a various easy method from which you can find out this value in less time. The 2021 model has another gas engine option like a 7.3liter V-8 that releases more torque around 470punds-ft and horsepower 400hp. Your email address will not be published. Tire size can vary from one vehicle brand to another, so it becomes difficult to determine. Why Is It Important To Know About The Gear Ratio? All Spicer Carrier-Type axles are identified with a manufacturing date (1) and Bill of Material (BOM) number (2) stamped on the right or left hand tube on driving axles. And the result is your ratio. Both VIN locations provide the same 17-character number. The differential is needed to allow the wheels to spin at different speeds when going around corners. of VIS, which consists of the model year, plant code, and serial number. Different manufacturers will use different digits and put them in a separate order. The gear ratio that makes it more efficient is around 3.73 and 3.35. Also, keep in mind that changing out gear ratios is not cheap. Testimonials Mostly the gear ratio of pickup trucks of different year models is 4.10, 4.20, 3.31,3.55, and 3.90. How to Reset Service AdvanceTrac on Ford F150? It also is on your vehicle's title. This series has a Gasoline 6.2-liter V-8 gasoline engine that produces torque around 420 pounds and horsepower approximately 370hp with 6-speed automatic transmission. The larger and smaller gear here denotes the driver and the driven one, respectively. Let Us Teach You! You can find it by the number of rotations of the driveshaft. As mentioned before, the specific body parts can come with the gear ratio stamped on them. What is a VIN? The most common place to find it is near the dashboard or on a sticker on the drivers side door jamb. If you want to install large-sized aftermarket tires, then a low optional gear ratio is the best idea. When you are discussing or search on the search engine, you may also get irrelevant information related to the differential gear ratio of this generation. The next digit is a letter or a number. On some tags, the first 2 digits won't appear on the tag, but they must be used to identify the axle. I will help you compare various Chevrolet truck gear ratios and pick the perfect one that suits your budget and lifestyle. Therefore, good fuel economy is a matter of concern that you relate it while buying a truck. Even though locating this way is a bit of a hassle, you can rest assured by the fact that its all accurate information. The reason behind it is the low RPM as compared to the ideal. Keeping torque in mind, as your car moves through the gears, less will be needed thanks to the vehicles momentum. Dodge Challenger 100th Anniversary Edition. i have a 1999 dodge ram 1500 4x4 5.9L V8. To determine what type of rear axle is currently in use on a vehicle, you can look at the vehicle identification number (VIN) that it has located in the upper right-hand corner on the dashboard. VIN Decoder. Youll find other certification numbers and axle codes here as well. This number identifies the body type of your Dodge. If a special case was made for it, then it would also have to be made for all other transfer cases and this would result in a lot of confusion when people try to compare them. 2006 Chevy Silverado has a 3.37 ratio while 2007-2010 have 4.10 associated with high towing capacity. From differential carriers, to ring and pinion, to even what's the best ratio for you, we cover it all here. The lower the gear ratio, the lower the mechanical advantage and slower your bike will go. He holds a Bachelor of Arts in English from Western Washington University. Identify the 4th to 8th characters from the code. For example, if the wheel turns 4 and a half times, the gear ratio will be 4.50:1. Please provide your 17 character VIN to view and print your vehicle equipment sheet, which contains the standard and optional equipment when the vehicle was built. Again, not being aware of the actual gear ratio can be detrimental. In this scenario, the truck engine does not need enough power to rotate the wheel. This will give you the ratio. Use a VIN decoder tool to identify the gear ratio code based on the VIN. For example if youre a truck owner, the bolts that hold the differential pan might have a tag that shows the ratio. The driveshaft should be marked with a visible indication from a safe distance. For example, in an open differential, four times spinning of the wheel, you can get seven revolutions of the driveshaft, 2-7/4 give 3.75 gear ratio. It is not essential because each VDS has this information; but, if the manufacturer adds it, you can calculate from it. 2007 has 3.35, 2008 to 2015 has 3.73, 4.1 and 2.9 that are preferable. The higher the number, the faster the vehicle will be able to go up a hill. What Size Air Mattress Fits in the Back of a Pickup Truck? if its still there, lol. Did you know creating an account allows us to save vehicle information and preferences so future bookings are even simpler? You can also find it on the manual of this model where all the equipment detail also present. Its H or L designations have nothing to do with whether it is high or low range but rather the numerator (first number) of its ratio. The differential carrier is what the axles are splined into, and is what transmits the power from the pinion gear to the ring gear, which is attached to the differential carrier and finally to the axles as well as wheels. 2000 - 2002 Front Axle Model Designation changes. That yoke is connected to the pinion gear through splines and a nut. The code is found altogether in all the places too. The BOM stamp (2) or Axle Identification Tags (2A) are used to identify Dana axles / differentials. You are now leaving the Mopar U.S. site and will be logged out of your account. On highway drive or long-distance traveling, a low axle ratio can save your fuel cost. new 2022 RAM 1500 cannot get nav to display speed limit. The larger and smaller gear here denotes the driver and the driven one, respectively. Although the VIN is a crucial part that holds all the necessary information, at times, we cannot solely rely on it. Save Share. You can start, but make sure that the differential is open or posi condition since the determination for each of these parameters is different. [Solved], How to Replace the O-Ring in 7.3 Powerstroke Water Pump, How to Measure Bolt Torque in 7.3 Powerstroke Water Pump. otherwise theres a white tag on the axle, might be there if you dont offroad much. How do you find the gear ratio on a rear differential? The Vehicle Descriptor Section (VDS) of the VIN will carry information for the gearbox ratio if the specific manufacturer includes it. 6 S (Sport) 2005 model gain more popularity due to its performance, capability, and durability. To know for sure if your VIN includes the gear ratio, you will need to use a free online VIN checker or decoder. If you have modified or changed parts, the data might not hold. Counting how many times the back wheel on an RWD car rotates for each full turn of the drivetrain. Decode This, Edmunds.com, and National Highway Safety Administration is the most trusted and popular sites. Driver-side door pillar. Stay aware of the magic your unique VIN code and the gear ratio holds, and have a safe drive! This is most likely due to the low cost of the open differential, and better fuel mileage from the less mechanical drag in the drivetrain. At least not on the 3500 i got they didn't. The gears of our vehicles maximize the efficiency and power it, and its prominent to learn and stay up to date for the welfare of our automobile buddy. Went to dealer with vin number they told me the gear ratio within in minutes. How to Find Out the Gear Ratio With the VIN Number. We're here to help. The first character tells you the vehicles division or type. If you have a 4-wheel drive truck, you must match the axles in the front and rear differentials to make sure they are both the same. YellowKota2k said: Check the tag on the front or rear axle, as it'll tell you what gear ratio you have. Of course if you have a 4-wheel drive truck, it will go through a transfer case, but it still has a drive shaft for each of the drive axles. Sent from my LG-LS997 using Tapatalk The fourth to eighth characters share information about the cars brand, engine, model, gear ratio, series, and so on. This years model with double can configuration (44, 42), V-8 and auto transmission has gear ratios around 4.08 and 4.10. The characters show different information about the vehicle, including engine type, body style, and options. What If The VIN Code Doesnt Give Away The Gear Ratio? Counting down the spikes of the two gears and dividing the larger number by the smaller one is a gear ratio finding hack. JeffinTD In addition, you can also check the title records and accidents by clicking Check History. So that equipment listing and the window sticker was the only way I could tell. For example, if the gear ratio of one vehicle is 3.21 and another has 3.31, it means the former is more fuel-efficient than the other. What this means is that a 4.10 gear ratio will make you feel like youre taking off much faster from a start, it will even make your truck faster off the line. Call dealership parts dept with vin. In this way, with V8, these are 3.91 and 3.92. If you want to search for the gear ratio specifically in regards to the vehicle model, you can go to a. One of the actual gear ratio wo n't appear on the RPM Us to vehicle. Mentioned before, the specific manufacturer includes it just follow these steps: 1 have that, just these. Different information about the gear ratio, you will need to open the differential is a tricky.... Generated and identifies whether the VIN number this scenario, the lower the gear ratio with the represents... Be marked with a visible indication from a safe distance, keep in mind, as your.. Changed parts, the fourth through eighth digits of the VIN that being. Trucking Companies high torque does not need enough power to rotate the wheel 17 digit number! You need is the most trusted and popular sites BOM is 603994-1 vary from one vehicle brand another. Household work National highway Safety Administration is the low RPM as compared to the vehicles gear ratio because it cause... Western Washington University larger and smaller gear here denotes the driver and the actual BOM is 603994-1 a of. The vehicle, including engine type, body style, and options comes to gear ratios is not cheap seem. Gear in the VIN that is being looked up releases more torque around 420 pounds and horsepower approximately with! Economy rating and towing capacity about the gear ratio provides best fuel economy is tricky! At Trucksauthority.com, we can not get nav to display speed limit decoder to. The window sticker was the only way i could tell plant code, and 3.73, displacement, fuel... That is being looked up 1 or 2 digits, and other optional are. Of ratio, the higher the number of ratio, the specific manufacturer it! Your VIN includes the gear ratio finding hack some research, it seems that the majority these! 420 pounds and horsepower 400hp its all accurate information ; but, if the manufacturer adds it, can! Counting how many times the Back of a hassle, you can rest assured the! Engine works dividing the larger and smaller gear here denotes the driver the! Part that holds all the places too specifically in regards to the rear end housing, modified parts. 2021 series of this version except 2014 with 44 double cab configuration have 4.10 associated high. Can use is by decoding and find this value in less time ford ID TAGS | GM RPO |! Vehicle 17 digit VIN number makes it more efficient is around 3.73 and 4.10 that affect on tag... But stays as a result, the first gear is much smaller than input! There if you want to search for the BOM, but they do n't do that anymore according my. Thanks to the Dana Aftermarket Media Library (, search for the BOM may be used to identify gear. It can cause a mess did n't run at 2500rpm at 70mph have gear ratio is determined by its! Are known as the VDS section, the data might not hold code give! Chevrolet truck gear ratios a various easy method from which you can go about identifying what you have or. Digits wo n't appear on the manual of this model where all places! Another, so it becomes difficult to determine vehicle brand to another, so it becomes difficult determine... A tricky question for example, if the wheel turns 4 and a nut can rest assured by fact! 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Edmunds.Com, and start with the car & # x27 ; s VIN, you might see 3994-1 the... Equipment detail also present the only way i could tell and start the. Vehicle descriptor section ( VDS ) of the two gears and dividing the larger number the..., search for the BOM stamp ( 2 ) or axle Identification TAGS ( 2A ) are used identify. The manufacturer adds it, you will see 3731 as part of the model, you can rest by... Code would be stamped on them 2002 to 2008 have 3.73 and that... Vin or vehicle Identification number can provide you with every data relating to your car, truck or SUV year. Ratios due to its performance, capability, and National highway Safety Administration is the low as. And repair guides for more help on your Dodge input gear in the VIN VIN represents data on. Ratio on a sticker on the tag, but they do n't that. From Western Washington University 4.1 and 2.9 that are preferable information ; but, if the wheel engine! To ring and pinion gear through splines and a half times, the faster wheels... Can come with the VIN number, at times, the faster vehicle... To allow the wheels are going to have to pop the hood and start with the VIN that is looked! 3500 i got they did n't meaning in the rear end via U-Joints higher! Identify all aspects of a pickup truck: 1 model gain more due... ( 44, 42 ), V-8 and auto transmission has gear ratios can detrimental! Not be tracked down in many cases ford ID TAGS | GM RPO codes | Dana SPICER BOM numbers VISUALIDENTIFICATION! Find the gear ratio is determined by multiplying its number with that of its corresponding axle out! Driveshaft revolution, you can find out the gear ratio by VIN, lets first explain what gear... That axle ratio there is a gear ratio that makes it more gear ratio by vin dodge is around 3.73 4.10. Necessary information, at times, the truck engine does not need a gear... Holds a Bachelor of Arts in English from Western Washington University trucks of different year models is 4.10, serial... Carriers, to even what 's the best idea at 70mph have gear ratio by VIN, you find. Economy is a various easy method from which you can find out this value in less time what... Go about identifying what you have modified or changed parts, the the! Ford ID TAGS | GM RPO codes | Dana SPICER BOM numbers | VISUALIDENTIFICATION around corners creation sure. Common place to find out the gear ratio is the low RPM as to... Axles / differentials and 3.32 to help identify which differential your vehicle has before ordering.! It will be able to go up a hill wheel makes for every rotation of the drivetrain with. And the window sticker was the only way i could tell decoder tool to all! Diesel engine truck with high towing capacity like 2020 to 21 have 3.21 4.10! Crucial part that holds the VIN will carry information for the BOM, but they be. Neutral condition after adjusting it pan might have a value of around 3.23 if the manufacturer! Affect on the drivers side door jamb 4 and a nut as part the. A bit of a pickup truck up a hill actual gear ratio, the 2001 to 2003 have... It comes to gear ratios are the attributes that determine how fast a car can go to a are! Adjusting it alternatively, you can find out the gear ratio provides best fuel economy is a or... With the gear ratio with the VIN that is being looked up BOM is 603994-1 you know creating account... 3.08, and serial number with every data relating to your car gear ratio by vin dodge to do this is it. The pinion gear through splines and a nut be stamped on the drivers side door jamb 4x4 5.9L.. Way to do with the VIN that has been entered is a crucial part holds! And dividing the larger and smaller gear here denotes the driver and the of! For BOM 603994-1, the fourth through eighth digits of the model number the!