Eaton Detroit Truetrac Differential EAT912A584, 27-Spline Dana 30, 3.54 and Down Ratio

The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle. Detroit Truetrac® Differential; 27 Spline; 1.16 in. Axle Shaft Diameter; 3.54 And Down Ring Gear Pinion Ratio;Rear ; Dana 30/Reverse; Applies To Non-Disconnect Only;

• Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
• No Special Lubrication Or Friction Modifiers Needed
• Helical Gear Limited Slip Differential
• Durable; Smooth; Quiet Operation
• Works In Forward And Reverse
• Ideal For Most Vehicles
• Automatic Engagement

Brief Description: The Eaton Detroit Truetrac differential is a helical-gear limited-slip differential designed to improve wheel traction, acceleration, and handling without requiring driver input. Its automatic operation helps transfer torque to the wheel with available traction, supporting confident performance in forward and reverse.

Designed for Dana 30 applications with non-disconnect axle configurations, the Eaton Detroit Truetrac EAT912A584 features a 27-spline design and supports a 3.54-and-down ring gear and pinion ratio. Its smooth, quiet operation and maintenance-free construction make it a practical traction upgrade for a wide range of vehicles. No special lubrication or friction modifiers are required, simplifying installation and ongoing service.

Key Product Specifications & Technical Data:

• Brand: Eaton
• Product: Detroit Truetrac limited-slip differential
• Part Number: EAT912A584
• Differential Type: Helical-gear limited slip
• Axle Spline Count: 27 spline
• Axle Shaft Diameter: 1.16 inches
• Ring Gear and Pinion Ratio: 3.54 and down
• Application: Dana 30, rear, non-disconnect configuration

What's Included in the Box: One Eaton Detroit Truetrac differential assembly. Ring gear hardware, bearings, seals, installation components, and lubricant are not specified and should be verified before installation.

Fitment: This differential is intended for Dana 30 applications using a non-disconnect axle configuration and compatible 27-spline axle shafts. Confirm axle configuration, spline count, shaft diameter, and gear ratio before purchase. Vehicle-specific fitment data should be verified against the application and drivetrain specifications.

Features:

• Optimized torque-bias ratios help maximize acceleration and handling by directing torque toward the wheel with available traction.
• Maintenance-free design operates without special lubrication or friction modifiers when installed according to manufacturer requirements.
• Helical-gear limited-slip technology provides automatic engagement without requiring driver activation.
• Smooth, quiet, and durable operation supports reliable traction performance in both forward and reverse.

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