Mack Engine

Mack® MP® engines are renowned across the trucking industry for their power, reliability and versatility. From construction to refuse to highway hauling, there’s an MP engine that’ll keep you at the head of the pack.

There are a number of different engines available across the different models of Mack Trucks for sale in Michigan at Interstate Trucksource:


The MP®7 engine offers an exceptional power-to-weight ratio to boost your bottom line. Powerful and lightweight, the MP®7 helps maximize payloads in weight-sensitive applications like bulk hauling and keeps route times down in refuse.


The MP®8 engine is a legend on roads everywhere. With plenty of horsepower and torque across a wide operating range, the MP®8 delivers the muscle to shoulder heavy-duty vocational and highway workloads.


The MP®8HE combines the proven performance of our MP®8 engine with the high efficiency of Energy Recovery Technology to capture lost energy, convert it to torque and reduce fuel consumption.

SCR and Clean Diesel

As an industry leader in engine development, Mack® remains at the forefront of engine development, incorporating selective catalytic reduction (SCR) technology into our MP® engine platform. The Mack ClearTech™ SCR System—the first to be certified by the EPA—creates clean-running and fuel-efficient engines that boast near-zero emissions to meet strict EPA standards. Used successfully in hundreds of thousands of trucks around the world, SCR is the proven, reliable approach.

Cummins L9

For jobs that need a lighter weight and lower-cost engine, Mack has partnered with Cummins to offer the L9 engine with the best-in-class power-to-weight ratio.