The basic principles of operating a rigid dump truck (RDT) are the same regardless of size, but there are some key differences depending on the truck’s capacity and features. Here’s what matters: Similarities in Operation (All Sizes) ✔ Starting and Stopping Procedures – Pre-operation checks, ignition, gear shifting, and braking are similar across all RDTs. ✔ Basic Controls – Steering, throttle, braking, and dump functions operate similarly. ✔ Safety Protocols – checking blind spots, using mirrors/cameras, and following site rules apply to all sizes. ✔ Driving Techniques – Uphill, downhill, and turning maneuvers follow the same principles, though adjustments are needed for different sizes. Differences Between Small and Large Rigid Dump Trucks ⚡ Size and Weight Considerations – Larger RDTs have a higher center of gravity, requiring more careful cornering and braking. ⚡ Braking System – Bigger trucks use more advanced retarder and braking systems to handle their weight. ⚡ Maneuverability – Smaller RDTs are more agile, while larger ones have a wider turning radius and require more space. ⚡ Hydraulics and Dumping – Larger RDTs may have more powerful hydraulic systems, affecting dumping speed and control. ⚡ Visibility and Blind Spots – Bigger trucks have more blind spots, requiring greater reliance on cameras and spotters. ⚡ Technology and Features – Modern large RDTs may have GPS, automated controls, and operator-assist features not always found in smaller models. Komatsu 960