The all-new 2020 Silverado HD offers a choice of two powertrains: a new 6.6L gasoline engine and a Duramax 6.6L Turbo-Diesel V-8, which has a max towing capacity of 35,500 pounds. An all-new Allison 10-speed automatic transmission is available with the Duramax diesel engine.
The all-new 2020 Silverado HD offers a choice of two powertrains: a new 6.6L gasoline engine and a Duramax 6.6L Turbo-Diesel V-8, which has a max towing capacity of 35,500 pounds. An all-new Allison 10-speed automatic transmission is available with the Duramax diesel engine.
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