What gear should be selected to travel down a steep sloping surface?

When traveling down a steep sloping surface, selecting the lowest possible gear is crucial for maintaining control and ensuring safety. In low gear, the engine provides greater engine braking, which helps to slow down the excavator without having to rely solely on the brakes. This is particularly important because excessive use of brakes on a steep slope can lead to brake overheating or failure, making it difficult to stop or control the machine.

Using a low gear allows for better traction and stability, reducing the risk of skidding or losing control. It also minimizes the strain on the braking system, allowing the operator to maintain a safer descent rate. In this context, this choice is the most suitable for safely navigating downhill on an excavator.