This operator's owner manual provides essential information for VN Series and VHD Series trucks. The trucks are recognized for its commitment to safety, quality, and environmental care, with the VN series evolving for aerodynamic efficiency and driver comfort, while the VHD series is built for vocational durability and maneuverability. These vehicles are powered by D11, D13, or D16 engines, or potentially Cummins engines, offering horsepower ranging from 300 to 550 HP, and are equipped with either the I-Shift automated manual transmission or other manual and automatic transmission options. The manual covers a wide array of systems including powertrain, chassis, electrical, and body/cab features, focusing on operator-level understanding and basic owner maintenance.

This comprehensive handbook is designed to assist owner-operators and fleet drivers in understanding and operating their trucks safely and efficiently. It details critical procedures such as pre-trip inspections, starting and driving techniques, and basic maintenance tasks like fluid level checks, tire pressure monitoring, and lubrication points. The manual also offers guidance on interpreting dashboard indicators and addresses common operational issues, empowering users to maximize vehicle uptime. While it covers operator-level information and basic maintenance, it is important to note that detailed diagnostic procedures and component replacement instructions are typically found in separate service manuals.