Heavy trucks are the backbone of logistics, construction, and industrial transportation. Built to carry massive loads ranging from 20 to over 50 tons, these vehicles are equipped with powerful turbo-diesel engines that generate high horsepower and torque, enabling them to haul heavy cargo across long distances and tough terrains. With multiple drivetrain configurations like 6×4, 8×4, and 10×4, they are engineered to handle different road and load conditions. Their robust suspension systems and air braking technology ensure stability and safety while driving with full loads. Sleeper cabins in long-haul trucks provide resting space for drivers, making them suitable for interstate and cross-country transportation. Modern heavy trucks are increasingly equipped with telematics, IoT-enabled fleet management, GPS navigation, and advanced driver assistance features like ABS and stability control. While fuel efficiency is relatively low (2.5–5 km/l), their large fuel tanks ensure uninterrupted long journeys. Heavy trucks are widely used in transporting raw materials, industrial goods, construction machinery, and mining products. With rising demand for efficiency, manufacturers are also exploring LNG, CNG, and electric heavy trucks. Rugged, powerful, and indispensable, heavy trucks remain one of the most critical elements of the commercial transport industry.