C4500/5500 models feature the Duramax 6.6L ... the filter using high exhaust gas temperatures. Regeneration in GM medium-duty trucks can occur in a number of ways. Self-regeneration is an ...
As General Motors seeks to streamline its production, the auto giant's medium-duty truck business is back on the block. This past summer a deal with Navistar fell through, leaving GM holding its ...
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