In which gear is it more effective to operate a tractor for pulling heavy loads?

When pulling heavy loads with a tractor, operating in first gear is most effective due to the increased torque and power available at lower speeds. First gear allows the engine to operate at a higher RPM relative to the speed of the tractor, providing the necessary force to start moving heavy loads and maintain control during the pull.

This gear configuration ensures that the tractor has the strength to exert the force needed to overcome inertia and friction, which is critical when dealing with substantial weights. In first gear, the tractor can also respond more quickly to changes in load or terrain, enhancing stability and control, which is vital for safe and efficient operation.

While higher gears might enable faster speeds, they are not suited for heavy pulling tasks, as they do not provide the same level of torque. Similarly, reverse gear is meant for backward movement and would not facilitate effective pulling, and overdrive gear is designed for cruising at higher speeds with reduced engine strain, which is not beneficial for heavy load situations.