Truck Models

The best-selling Class 8 tractor in North America. It is the default fleet spec, with the widest parts and service network of any truck on the road.

The Cascadia's biggest practical edge for an owner-operator isn't a spec sheet number. It's resale value and parts availability. Every truck stop and dealer network is built around it.

Peterbilt's flagship long-haul tractor. It is known for strong resale value and the largest factory sleeper of any major OEM.

The 579 and Kenworth T680 share the same PACCAR MX-13 engine and TX-12 transmission underneath. The real differences are cab layout, sleeper size, and brand-specific styling/resale patterns.

Kenworth's long-haul flagship. It shares PACCAR's MX-13/TX-12 powertrain with the Peterbilt 579 but has its own cab and a reputation for build quality.

If you're cross-shopping the T680 against the Peterbilt 579, the powertrain choice is the same (same PACCAR engine/transmission). The real choice is cab feel, sleeper size, and which brand's dealer network is closer to where you operate.

Volvo's long-haul flagship. It is built around a tightly integrated Volvo-only powertrain and known for driver comfort and aerodynamic efficiency.

Volvo only pairs the D13 with its own I-Shift transmission. Unlike Freightliner, Peterbilt, or Kenworth, you can't mix in an outside transmission brand on a VNL.

Mack's on-highway flagship. It builds on the same heavy-duty durability reputation Mack earned in vocational and construction trucks.

The MP8HE ("High Efficiency") variant trades some peak horsepower for turbo-compounding and better fuel economy. Compare it against the standard MP8 based on your actual duty cycle, not just the horsepower number.

International's long-haul flagship. It is built around the S13 Integrated Powertrain, a proprietary engine/transmission pairing engineered as one unit instead of separately sourced parts.

The S13's integrated design means the engine and transmission are tuned together as a single system. It is not an engine bolted to a separately sourced transmission. International's pitch is fewer calibration mismatches between the two.