Dana 80 Rear Axle Assembly 4.11 Posi Limited-Slip

The Zumbrota Drivetrain RAA435-1788-P is a remanufactured rear axle assembly specifically designed for 1994 and 1995 Dodge Ram 2500 and 3500 models featuring the Cab & Chassis configuration and staggered shock absorbers. This unit is built around a robust Dana 80 axle housing and comes equipped with a 4.11 gear ratio and a Posi limited-slip differential for enhanced traction. Each Zumbrota Drivetrain Axle Assembly undergoes a rigorous remanufacturing process. This includes thorough inspection of all internal components, such as ring and pinions, internal gears, clutches, and carriers, ensuring they meet precise specifications. All bearings and seals are replaced with new units. The ring and pinion gears are meticulously inspected for optimal tooth contact patterns and set to the correct rolling torque using inch-pound measurements, which is critical for precise setup, longevity, and quiet operation. Correct gear backlash is also established to ensure proper lubrication and performance. Furthermore, the axle tubes are inspected to confirm they meet OEM standards for straightness. Zumbrota employs an exclusive hydro-blast rinse and sandblasting procedure on both internal and external parts, followed by a proprietary shot-peened deep cleaning process. This comprehensive approach sets a high standard for the quality and reliability of their remanufactured axle assemblies. The assembly features an 11.25-inch ring gear and a 10-bolt cover. It is crucial to note that while the gear ratio is listed as 4.11, some sources also indicate it as 4.10, which is common for this application. Fluid is not included with this assembly.