SKU: DET913A590
MPN: 913A590
The Detroit Truetrac Dana 44 Rear 30-Spline differential carrier is a steel locking differential engineered for serious off-road vehicles and performance trucks that demand reliable traction control and load distribution. This carrier is designed for Dana 44 rear axle assemblies and supports 3.92 gear ratio and higher configurations, making it an ideal upgrade for owners seeking improved traction without the complexity of full electronic locking systems.
The 30-spline design ensures compatibility with standard Dana 44 shafts and axle components. Detroit Locker's Truetrac system uses a torque-sensitive helical gear design that automatically delivers power to the wheel with the most traction—whether navigating rocky terrain, muddy trails, or hauling heavy loads. Unlike traditional open differentials that lose traction when one wheel loses grip, the Truetrac carrier maintains superior load control and prevents wheel spin by cross-locking action. The all-steel construction delivers the durability required for high-stress off-road applications and heavy-duty service.
This carrier is suited for truck owners, off-road enthusiasts, and fleet operators who run Dana 44 rear axles in vehicles that encounter variable terrain and unpredictable traction conditions. Weighing 25.95 lbs, the unit integrates directly into existing Dana 44 housings and requires no modification to the differential case or carrier structure. Installation pairs well with modern off-road recovery systems, rock-crawling builds, and commercial applications where consistent power delivery to both rear wheels is critical for safety and performance.
The Detroit Truetrac represents a proven middle ground between open and fully locking differentials—offering automatic traction biasing without the mechanical engagement shock of a selectable locker, and without the power loss of a traditional open design. The 30-spline specification confirms compatibility with Dana 44 rear axles in trucks and Jeeps from multiple generations, making this a go-to replacement carrier for owners upgrading aging or worn differential components.
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