How do you tell if I have a Dana 44 or 60 front axle?
Identifying whether your vehicle is equipped with a Dana 44 or Dana 60 front axle is crucial for maintenance, upgrades, or repairs. These axles are commonly found in off-road and heavy-duty vehicles, and while they share some similarities, there are key differences that can help you determine which one you have. In this guide, we’ll walk you through the steps to identify your axle type.
Why It’s Important to Know Your Axle Type
Understanding your axle type is essential for several reasons:
- Proper Maintenance: Each axle type has specific maintenance requirements, and using the wrong parts can lead to costly repairs.
- Upgrades and Modifications: If you’re planning to upgrade your vehicle for off-road use, knowing your axle type ensures compatibility with aftermarket parts.
- Resale Value: Accurately identifying your axle can help when selling your vehicle or purchasing replacement parts.
Steps to Identify a Dana 44 or Dana 60 Front Axle
Follow these steps to determine whether your front axle is a Dana 44 or Dana 60:
- Check the Axle Tube Diameter: The Dana 44 typically has a smaller axle tube diameter, around 2.5 inches, while the Dana 60 has a larger diameter, around 3.125 inches. Use a caliper or measuring tape to measure the tube size.
- Inspect the Differential Cover: The shape of the differential cover can be a giveaway. The Dana 44 has a more rounded, oval-shaped cover, while the Dana 60 has a larger, more angular cover with a distinct flat edge on one side.
- Count the Bolts on the Differential Cover: Both axles have 10 bolts securing the cover, but the size and spacing of the bolts can differ slightly. The Dana 60 bolts are generally larger and spaced farther apart.
- Look for Identification Numbers: Most Dana axles have an identification tag or stamped numbers on the axle housing. These numbers can be cross-referenced with manufacturer data to confirm the axle type.
- Examine the U-Joints: The U-joints on a Dana 60 are larger and more robust compared to those on a Dana 44. This is because the Dana 60 is designed for heavier loads and more demanding applications.
- Observe the Knuckles and Ball Joints: The Dana 60 often features larger knuckles and ball joints, which are built to handle greater stress and weight.
Common Applications of Dana 44 and Dana 60 Axles
Knowing where these axles are commonly used can also help you identify them:
- Dana 44: Found in mid-size trucks, SUVs, and some off-road vehicles. Examples include Jeep Wranglers, Ford Broncos, and Chevy Blazers.
- Dana 60: Typically used in heavy-duty trucks and larger off-road vehicles. Examples include Ford F-250s, Dodge Ram 2500s, and certain military vehicles.
When in Doubt, Consult a Professional
If you’re still unsure about your axle type after following these steps, it’s always a good idea to consult a professional mechanic. At Kevin’s Autos, we have years of experience in axle identification, maintenance, and repair. Feel free to reach out to us for expert advice and service!
Contact us today to schedule an appointment or discuss your vehicle’s needs. We’re here to help keep your car running smoothly and safely!
Frequently Asked Questions
How do you tell what type of axle you have?
Sprung and Torflex axle labels can be found on the side of the axle facing your rear bumper. The axle label provides critical manufacturing information, including the axle serial number, axle capacity, and axle build information. Locating your axle label will help ensure that you identify your axle correctly.
How to identify a Chevy Dana 60?
First, you want to the number of bolts are holding the drum backing plate onto the axle. If there are 7 bolts, then you have a GMC/Chevy or Jeep Dana 60 axle. These axles are all exactly the same. If there are 4 bolts, then you have either a Dodge or Ford Dana 60 axle.
How to identify a Dana 44 front axle?
Many Dana axles have the model ID cast into the fins or centersection. Look for a "44" or "60" cast into the reinforcement ribs. The number can usually be found on the lower right side rib below the differential cover, but it may also be found on other ribs or on top of the main cast structure.
How to tell Dana 44 from 60?
Measure Your Axle
Although the Dana 44 and Dana 60 differential covers look similar, their sizes are significantly different. The Dana 44 differential cover will measure about 9 1/2 inches wide and 10 1/2 inches tall, while the Dana 60 differential cover will measure about 11 1/4 inches wide and 12 inches tall.
Where do I find my axle size?
You should find it on the driver's side of the trailer. A second way to determine the size axle you need is to measure the diameter of your existing axle. The tube in our video example measures at 2 and 3/8ths of an inch. You can use this measurement to identify the axle.
How can you tell a Dana 44 from a Dana 60?
Measure Your Axle
Although the Dana 44 and Dana 60 differential covers look similar, their sizes are significantly different. The Dana 44 differential cover will measure about 9 1/2 inches wide and 10 1/2 inches tall, while the Dana 60 differential cover will measure about 11 1/4 inches wide and 12 inches tall.
What is the difference between Dana 44 and 60 axles?
Like we said above, the Dana 60 is the stronger axle. If you want to run big tires or big power you need a Dana 60 axle. At the same time, the Dana 44 is a great axle if you don't need giant tires or big power. Most people don't realize how heavy a Dana 60 is and how much unsprung weight affects handling.
What Jeep has a Dana 44 front axle?
Like previous Jeep Wrangler models, Rubicon JLs are equipped with a new design Dana 44 in the front and rear. All Gladiator JTs also have the new design Dana 44 axle in the front and rear.
What vehicles have a Dana 60 front axle?
The Dana/Spicer Model 60 is an automotive axle manufactured by Dana Holding Corporation and used in OEM pickup and limited passenger car applications by Chevrolet, Dodge, Chrysler, Jeep, Ford and Land Rover.
How do I know what Dana differential I have?
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.
