Eaton Detroit Truetrac Differential EAT915A387 for Dana 60HD, 35-Spline, 4.10 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; 35 Spline; 1.50 in. Axle Shaft Diameter; 4.10 And Down Ring Gear Pinion Ratio; Dana 60HD; Front;

• 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

The Eaton Detroit Truetrac Differential is a helical-gear limited-slip differential designed to improve traction, acceleration, and handling for compatible Dana 60HD front axle applications. Its automatic torque-biasing design transfers power to the wheel with greater available traction, helping maintain forward movement across changing road and terrain conditions.

Built for smooth, quiet, and dependable operation, the Eaton Detroit Truetrac requires no special lubrication or friction modifiers. The maintenance-free design operates automatically in both forward and reverse without external controls or driver input. Optimized torque-bias ratios help deliver predictable performance while preserving everyday drivability.

This Eaton Detroit Truetrac unit features 35-spline compatibility, a 1.50-inch axle shaft diameter, and application support for 4.10-and-down ring gear and pinion ratios. It is engineered for Dana 60HD front differentials and is suitable for a wide range of vehicle applications when matched to the correct axle configuration and gear ratio. Verify axle, spline, ratio, and carrier compatibility before installation.

Key Product Specifications and Technical Data

• Brand: Eaton
• Product Line: Detroit Truetrac
• Part Number: EAT915A387
• Differential Type: Helical-gear limited-slip differential
• Axle Application: Dana 60HD front axle
• Axle Spline Count: 35 spline
• Axle Shaft Diameter: 1.50 inches
• Ring Gear and Pinion Ratio: 4.10 and down

What's Included

One Eaton Detroit Truetrac limited-slip differential for the specified Dana 60HD application. Installation hardware, bearings, seals, lubricant, and vehicle-specific components are not included unless stated by the manufacturer.

Features:

• Optimized torque-bias ratios help improve acceleration and handling
• Maintenance-free design requires no special lubrication or friction modifiers
• Helical-gear limited-slip operation provides automatic traction management
• Smooth, quiet, and durable performance in 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