Autos
GM's New Mongoose 8.3-Liter Duramax Diesel Makes 555 HP, 1,230 LB-FT
The all-new V-8 powers the 2027 Chevy Silverado HD and GMC Sierra HD, with maximum towing capacity climbing to 38,000 pounds.


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The all-new V-8 powers the 2027 Chevy Silverado HD and GMC Sierra HD, with maximum towing capacity climbing to 38,000 pounds.

It's called the Mongoose, and is ready to fight Ford's 6.7-liter "Scorpion" Power Stroke V8 diesel.

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