What do the numbers on my axle mean?
Axle numbers describe the length of the axle shaft, diameter of the axle shaft & the amount of splines on the shaft to slide into the differential. The ratio numbers indicate how many times a drive shaft will turn in relation to the axle shaft turning. The higher the number the lower the gears.
What do Dana axle numbers mean?
The Bill of Material (BOM) number is used to identify Dana differentials. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. Traditional BOM’s are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61.
What is an FBI axle?
The 181 Front Beam-design Iron (FBI) axle consists. of a cast iron differential housing with axle. shaft tubes extending from either side. The tubes are. pressed into the differential housing and welded.
How do I identify my Dana axle?
To figure out exactly what axle you have, you can look for the Dana stamped bill of materials number. This stamped number can usually be found on the righthand side or on the longer axletube on the same side of the tube as the differential cover, facing the rear of the truck.
How do you read axle codes?
The date code is usually represented with a single digit number, a single letter, and a two digit number such as 8D22. The first number refers to the last digit of the most recent year prior to the model year of the vehicle. Therefore, for a 2009 model year, the axle was manufactured in 2008.
What is the difference between a Dana 44 and Dana 30?
The only difference between the JK Dana 30 and Dana 44 is ring gear size, electronic locker, and bigger shafts. You’re better off just starting with an aftermarket Dana 44 that is a “true 44”.
What does 2 axles mean?
What Is Considered a 2-Axle Vehicle? In simple terms, when a car is referred to as a 2-axle vehicle, it has 2 axles. Each of these axles either supports one wheel or two wheels. Examples of 2-axle vehicles are: Motorcycles.
What is full floating axle?
A full floating axle consists of a wheel hub assemble that is separate from the axle shaft. A spindle bolted to the axle tube supports the wheel hub by means of a pair of wheel bearings. Full floating axles are rather heavy, but have very large weight carrying capacities.