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Detroit Truetrac differential
913A315
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Specifications

General specifications

Product Name
Eaton Detroit Truetrac Differential
Catalog Number
913A315
Catalog Notes
All Eaton differentials made for General Motors 8.5" and 8.6" axles require special bearings. For axles with small bearing bores (race O.D. or 2.89"), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required. For axles with large bearing bores (race O.D. of 3.06"), usually found on vehicles from 1999 to present, bearing LM603049 and race LM603012 are required.

Axle information

Axle Description
GM 12 bolt C-Clip
Axle Location
Rear
Axle Shaft Diameter
1.3 IN

Additional specifications

Differential Type
Limited Slip (LSD)
Gear Spline Tooth Count
30 EA
Ring Gear Size
8.875 IN
Ring Gear Ratio
3.73 & up
Vehicle Usage
Off-Road: Light Trail / Sand Sports
On Road: Restoration
On Road: Street and Muscle
On Road: Work Truck / Towing
On Road: Circle Track
On Road: Drag Racing
Off-Road: Extreme Off-Road
Off-Road: Rock Crawl
Off-Road: Work Truck / Towing
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Eaton is a power management company with 2018 sales of $21.6 billion. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technologies and services. Eaton has approximately 100,000 employees and sells products to customers in more than 175 countries.
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