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The Mack E7 engine has a long history and is considered one of the most durable and reliable heavy-duty diesel engines ever made. It was first introduced in 1988 and came in four different horsepower rating: from 250 to 350. Today’s version of the engine—the E-Tech and ASET engines—are both advanced versions of the E7 engine, but there are some key differences between the two. The ASET engine has a dual overhead camshaft design. The ASET has an advanced EGR system, to reduce emissions. The E-Tech engine is a single camshaft design.
The E7 engine is used in a wide variety of heavy-duty trucks, including: Volvo, Renault, Freightliner and, of course, Mack trucks. It is loved because of its horsepower to weight ratio. Best uses for a Mack E7 Engine are Public Bus Fleets, Fire Engines, Dump Trucks and Refuse Vehicles.
For semi-truck drivers, fleet managers, and over-the-road truckers, maintaining the health of your engine is critical to the longevity of your vehicle and the safety of your operations. Among the array of maintenance challenges, engine oil soot, carbon buildup, and blow-by are issues that can compromise the performance and efficiency of Cat, Cummins, Mack, and Detroit Diesel engines.
Technology is progressing at an ever increasing rate. The future is now! It seems you can’t go a day without reading about robots, self driving cars or even the new Hyperloop projects which will transport people hundreds of miles in mere minutes. Many of those in the automotive and transportation sectors believe diesel engines best days are behind them. A team of scientists however believe there is still use left for the diesel engines in the world of tomorrow. A team of researchers at Queen’s University in Belfast, Ireland are working on a different fuel source for the engines known as Dimethyl Ether (DME). DME is a biofuel derived from methane. Methane is commonly captured from decomposing organic material, agriculture, waste and coal and reused as a fuel source. DME is viewed as a clean diesel fuel source and will be able to be used with existing diesel engines.
The Mack e7 engine is the backbone of the almighty Mack Bulldog fleet. The history of the engine is steeped in technology, tradition and good old American gumption one would expect from Mack. The e7 mack engine was first conceptualized in 1988 by the Mack Corporation engineers and introduced in 1989. The Mack E7 Engine replaced the longstanding Mack e6 model and was produced for over 20 years. The same year Mack also introduced the CH Series for on-highway heavy duty applications. The engine is 6 cylinder, heavy duty rated and in use both for on-highway and off highway industrial applications.