The biggest semi-trucks in the USA are the Peterbilt 579 and Kenworth T680. Both of these semi-trucks have a maximum weight capacity of up to 80,000 lbs. and a maximum length of up to 53 feet.
The Peterbilt 579 is equipped with a Cummins X15 engine that produces up to 500 horsepower and 1,850 lbs./ft. of torque, while the Kenworth T680 has an engine that produces up to 600 horsepower and 1,750 lbs. of torque.
The Peterbilt 579 comes with a variety of optional features such as an integrated powertrain system with automated shifting, active safety systems like lane departure warning and adaptive cruise control, as well as an ergonomic dashboard with digital gauges. The Kenworth T680 also offers optional features such as an advanced driver assistance system (ADAS) with automatic emergency braking and lane keeping assist, along with a choice of interior trim packages.
Both semi-trucks have an impressive list of safety features including stability control systems, air disc brakes for superior stopping power, and anti-rollover protection systems. Additionally, both trucks come standard with air ride suspensions for a smoother ride. The Peterbilt 579 also has an optional sleep package for drivers who need more rest on long hauls.
When it comes to size, both the Peterbilt 579 and Kenworth T680 are some of the largest semi-trucks available in the USA.
These two semi-trucks offer superior performance in terms of power, safety features, and comfort. They are perfect for those who need to transport heavy loads over long distances or those who need added maneuverability when driving through tight spaces. Whether you’re looking for a reliable workhorse or just want to look good while hauling your cargo across America’s highways – both the Peterbilt 579 and Kenworth T680 will get you there safely.
In conclusion, the Peterbilt 579, with its impressive list of features and maximum weight capacity of 80,000 lbs., is currently the biggest semi-truck in the USA.
Conclusion: What Is the Biggest Semi-Truck in the USA?
The Peterbilt 579, with its impressive list of features and maximum weight capacity of 80,000 lbs.