How do I identify my Chevy Dana 44 front axle?
The Dana 44 front axle is a popular and durable axle used in many Chevy trucks and SUVs. Identifying this axle is crucial for maintenance, upgrades, or replacement. In this guide, we’ll walk you through the steps to accurately identify your Chevy Dana 44 front axle, ensuring you have the right information for your vehicle's needs.
Why Identifying Your Dana 44 Front Axle Matters
Knowing the specific type of axle in your Chevy is essential for several reasons:
- Proper Maintenance: Ensures you use the correct parts and fluids for optimal performance.
- Upgrades: Helps you choose compatible aftermarket components for off-road or heavy-duty use.
- Replacement: Ensures you purchase the correct axle or components if a replacement is needed.
Steps to Identify Your Chevy Dana 44 Front Axle
Follow these steps to identify your Dana 44 front axle:
- Step 1: Locate the Axle Identification Tag
Most Dana 44 axles have a metal tag attached to the differential cover by one of the bolts. This tag contains important information, including the axle model, gear ratio, and build date. Look for a stamped number starting with "44" to confirm it’s a Dana 44.
- Step 2: Inspect the Casting Numbers
Check the axle housing for casting numbers. These numbers are typically found on the center section of the axle. Dana 44 axles often have a "44" cast into the housing, making them easy to identify.
- Step 3: Measure the Axle Tube Diameter
The Dana 44 front axle typically has a tube diameter of approximately 2.75 inches. Use a caliper or measuring tape to confirm this measurement.
- Step 4: Count the Bolts on the Differential Cover
The Dana 44 differential cover has 10 bolts. This is a quick visual clue to differentiate it from other axles.
- Step 5: Verify the U-Joint Size
The Dana 44 front axle uses specific U-joint sizes, which can help confirm its identity. Check your vehicle’s service manual or consult a professional for the exact specifications.
Common Applications of the Chevy Dana 44 Front Axle
The Dana 44 front axle has been used in various Chevy models over the years, including:
- Chevy K5 Blazer
- Chevy Suburban
- Chevy C/K Series Trucks
It’s important to note that while the Dana 44 is robust, variations exist depending on the year and model of your Chevy. Always cross-reference your findings with your vehicle’s specifications.
When to Seek Professional Help
If you’re unsure about identifying your axle or need assistance with repairs, don’t hesitate to consult a professional mechanic. At Kevin’s Autos, we specialize in axle identification, maintenance, and repair. Contact us today for expert advice and service!
Frequently Asked Questions
How do I know what Chevy differential I have?
Visual Differential Identification
Without an ID tag, differentials are identified by the number of cover bolts, the distinctive shape of the cover, the number of ring gear bolts, and ring gear diameter. They can also be identified by whether the center section is an integral or dropout design.
How do I identify my Chevy Dana 44?
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 do I know if my TJ has Dana 44?
This axle version can be identified through its oval-shaped differential cover that is wider than its height. Lastly, Dana's 44 axle can be found under the front or rear end. And the differential cover on this one will not change from front to rear; consisting of flat sides and an angular top and bottom.
How do I tell 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.
What years did GM use Dana 44 front axle?
Dana 44s were also used as front axles in 4x4 converted full size Chevrolet and GMC vans by Pathfinder Equipment Company from 1973 to 1989.
How to tell 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 identify Chevy front differential?
If the ID tag or stamp is missing or unreadable, differentials can be identified by the number of cover bolts, the distinctive shape of the cover, the number of ring gear bolts, and ring gear diameter. They can also be identified by whether the center section is an integral or dropout design.
Which TJ came with Dana 44?
Rubicon
Wrangler TJs have a few different options. The Sport/Sahara trim will always have a Dana 30 in the front whereas the rear has the option for a Dana 44 or Dana 35. The Rubicon option will always have a Dana 44 in both the front and rear.
What vehicles came with a Dana 44 front axle?
The Dana 44was introduced after World War II and is commonly found under the front and rear of a wide variety of Jeeps, as well as International Harvester, Dodge, Studebaker and Ford trucks, and even under the rear of Isuzu Rodeos and Honda Passports up until the mid-'90s.
How to identify 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.
