Mack E7 Engine

Mack E7 Engine


250-400 HP


1700-1800 RPM

The Mack E7 direct injection heavy-duty diesel engine is a four cycle, in-line six cylinder design.

It is turbocharged and chassis mounted air-to-air aftercooled, with power ratings of 250 hp to 400 hp (186 kW to 298 kW) at 1700 to 1800 rpm, calibrated to 1990 EPA standards.

Learn more about the E7 at