Eaton Detroit Locker Differential EAT225SL29B, 35-Spline, Dana 60HD, 4.10 and Down

The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is engineered to keep both wheels in drive mode – even if one wheel is lifted off the ground. It works in forward and reverse, and features unmatched strength, 100 percent automatic locking, and maintenance-free parts. Detroit Locker® Differential; 35 Spline; 1.50 in. Axle Shaft Diameter; 4.10 And Down Ring Gear Pinion Ratio; Dana 60HD; Dana 60;

• Provides Maximum Amount Of Traction To Both Wheel Ends
• 100 pct. automatic locking - no driver action needed
• Clutchless Maintenance Free Design
• Works In Forward And Reverse

The Eaton Detroit Locker Differential is a fully automatic locking differential engineered to deliver maximum traction in demanding automotive applications. Designed for Dana 60 and Dana 60HD axles, this unit keeps both wheels engaged in drive mode, including situations where one wheel is lifted off the ground. Its robust design supports mild to extreme vehicle use without requiring driver activation.

Featuring 35-spline compatibility and a 1.50-inch axle shaft diameter, the Eaton Detroit Locker EAT225SL29B is designed for applications with a 4.10-and-down ring gear and pinion ratio. The clutchless, maintenance-free design operates in both forward and reverse, providing consistent traction and dependable performance across changing driving conditions. With automatic locking and no driver input required, it is a practical upgrade for vehicles that need strong, predictable power distribution.

Product Specifications and Technical Data

• Brand: Eaton
• Part Number: EAT225SL29B
• Product Type: Detroit Locker automatic locking differential
• Axle Compatibility: Dana 60 and Dana 60HD
• Spline Count: 35 spline
• Axle Shaft Diameter: 1.50 inches
• Ring Gear and Pinion Ratio: 4.10 and down
• Operating Direction: Forward and reverse

What's Included

One Eaton Detroit Locker Differential, part number EAT225SL29B. Confirm axle configuration, spline count, shaft diameter, and gear ratio before installation.

Features:

• Maximum Traction: Delivers power to both wheel ends for improved traction in demanding conditions.
• Automatic Locking: Locks without driver action to maintain traction when wheel speed differs.
• Clutchless Design: Uses a maintenance-free design without conventional clutch packs.
• Forward and Reverse Operation: Provides automatic locking performance in both driving directions.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1