Each axle contains a gear ratio tag (4), and if the axle is equipped with a limited slip differential, it will have a tag specifying the type of limited slip lubricant to be used (5). It is normally located on the side of the rear differential that is closer to the front of the vehicle. The only axles that are marked differently are ones made by Dana.
To submit your questions or ideas, or to simply learn more about It Still Works, Don't waste time trying to look up the model number. Decode the manufacturing date. These codes usually indicate the date the axle was manufactured, the plant in which the axle was manufactured, a Bill of Materials (BOM) code that can be looked up to identify a replacement part, and the gear ratios for the rear differential. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WBG-E : Ford Truck '63-71 F100: 3.70: 9 in: NL: 28 To find the complete build details of any Dana 60 axle, locate the BOM number stamped into the long axle tube and then find that code in the table below. Dana front and rear differentials can be found most commonly in Jeep, Ford and Dodge vehicles. Therefore, the "D" in this example represents April. Spray brake cleaner on the housing cover if it is greasy and then wipe it clean. There are hundreds of Ford axles and that will be the quickest and surest way to decode the specific model.Don't assume that the axle in the Ford matches the year and model of the vehicle. To submit your questions or ideas, or to simply learn more about It Still Works, All vehicle manufacturers have different codes for their axle tags. Therefore, for a 2009 model year, the axle was manufactured in 2008. The model number and date are self explanatory. a nice new rear end.
The tag will tell the date the axle was made, the factory, the ratio, pinion gear and model all information that is needed when rebuilding or repairing the axle.Crawl under the truck so the cover to the differential housing can be seen. Each set will contain numbers, letters or an alphanumeric combination that is a unique identifier for the axle.Translate the date of the axle by finding the alpha numeric code that begins with a number, followed by a letter, followed by two numbers.
Ford truck axles are identified by a small tag attached to the differential casing on the rear axle in most cases. Axle Tag Decoder Written by FoxChassis Thursday, 24 May 2007 17:35 There were many different rear axle ratios available but only two differential types; "limited slip" and "conventional". It will either be a three-digit code with a space between the first digit and the remaining two or, it will be a digit and then a letter 'L' followed by two more digits. Axle Tag Decoder Written by FoxChassis Thursday, 24 May 2007 17:35 Not much is known about the Axle Model code so this decoder will focus on decoding the Axle Ratio code, the Ring Gear Diameter code, and the Build Date code. The Bill of Materials (B.O.M) number is stamped on the right or left hand tube of the driving axles … The first number refers to the last digit of the most recent year prior to the model year of the vehicle. Ford calls their version of the limited slip differential "Traction Lok". Jeep Factory Axle Identification Chart OEM Axle I.D. An axle with a date tag of "8D22" for a 2009 model year car was manufactured on April 22, 2008.Read the Bill of Materials code that appears next to the date code on the long tube side of the rear axle and write it down. The 'L' indicates the gear ration is of a locked traction type.The remaining alphanumeric code will be of varying length and indicates the plant in which the axle was made or, on the Dana axle -- the code is located on the shaft -- the code represents the "Bill of Material" number for the axle.This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. The same markings are used but they are placed on the casing and the long shaft of the axle rather then the tag. now the fun job of cutting off old perches, moving shock mounts, and welding on new perches in the proper place for my highboy spring packs to mount, and voila. The letter refers to the month: "A" represents January; "B" represents February; all the way through "L" for December. now the fun job of cutting off old perches, moving shock mounts, and welding on new perches in the proper place for my highboy spring packs to mount, and voila. This code is generally six digits with a hyphen separating the last digit from the first five, such as 12345-6.Find this Bill of Materials Code in an axle BOM catalog or in the Internet database found on the vendor's website to find a comprehensive list of replacement parts, assembly diagrams, gear ratios, and vehicle manufacturer's information.This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. If for some reason you find a code missing from the chart and would like to add it, please use the You’ll notice that there are some codes with different gear ratio’s listed. Dana 60 BOM Axle Codes. Ford calls their version of the limited slip differential "Traction Lok".