From boat ramps to construction sites and everything in between, heavy duty jobs often occur in areas with limited traction. That’s where the Sierra HD’s available Eaton automatic locking rear differential comes into play. If one tire loses traction and spins, the difference in speed is detected and the differential locks, providing more torque to the tire with the most grip. Along with advanced traction controls and available four wheel drive, it’s one of many ways the Sierra HD is intelligently engineered to improve traction.
For more information about the GMC Sierra HD, visit: http://www.gmc.com/sierra-2500-denali...
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