Which of the following is NOT a major component of the dump truck?

The correct answer is that the transmission is not considered a major component of the dump truck in the context of its primary operational systems. While the transmission is certainly crucial for vehicle operation, it is more part of the overall drivetrain systems rather than a specific aspect unique to the functionality of a dump truck.

The dump truck's primary functions revolve around its ability to carry and unload materials efficiently. The cab is where the driver operates the vehicle and controls functions, making it essential for operation. The dump body is the main element designed to hold and transport materials, allowing the truck to serve its primary purpose—loading and unloading. The dump tarp is important for covering the load, preventing spillage, and ensuring safety during transport. Each of these components directly contributes to the dump truck's essential functions and operational capabilities. The transmission, while important for movement, is part of the broader category of vehicle mechanics and does not uniquely define the characteristics of a dump truck.