This Yukon Ring & Pinion Gear Set for Dana 80 Axles is built for heavy-duty applications where strength, load capacity, and reliability are critical. Commonly used in diesel trucks, duallys, and commercial vehicles, the Dana 80 axle is designed to handle high torque and sustained load conditions.

Dana 80 applications are typically found in vehicles that see consistent heavy use, making proper gear setup and component selection essential. This gear set is designed to handle the stress of towing, hauling, and high-load operation while maintaining smooth, consistent performance. Correct installation ensures proper load distribution, reduced heat buildup, and long-term durability.

Includes:

• Ring gear
• Matching pinion gear
• Sold as a matched gear set

Installation kit, bearings, shims, seals, and carrier components sold separately unless noted.

Specifications

• Fits Dana Spicer 80 axle
• 11.25" ring gear diameter
• 37-spline pinion
• 12-ring gear bolt pattern
• 10 cover bolt pattern
• Precision machined gear tooth profile
• Heat treated for strength under heavy load

Fitment

• Not compatible with Dana 70 or Dana 110 axles

Tech Insight

The Dana 80 is engineered for high-load environments where torque demand and durability are critical. Re-gearing this axle is often necessary when increasing tire size or optimizing a truck for towing and hauling. Proper ratio selection helps maintain engine efficiency while improving low-speed pulling power.

Gear setup accuracy is especially important in heavy-duty applications. Pinion depth, backlash, preload, and contact pattern must be set correctly to prevent excessive heat, noise, and premature wear. A properly installed gear set ensures consistent performance under sustained load conditions.