1.6K views · 51 reactions | We take reliability and testing seriously. Before any engine leaves our Detroit plant, it undergoes a hot test. This allows us to ensure engine quality, evaluate it in real-time and ensure it meets our high standards. | Demand Detroit | Facebook

61K views · 376 reactions | Variable cam phasing, a feature exclusive to the Demand Detroit DD5 and DD8 engines, allows additional heat into the exhaust stream to promote efficient aftertreatment operation in low speed. This feature helps cut down on active regens and increases uptime. | Freightliner Trucks | Facebook