What are the techniques for a semi-trailer truck going downhill with heavy load?
2 Answers
Here are the techniques for a semi-trailer truck going downhill with heavy load: Do not coast in neutral: The first thing to note is never coast in neutral, remember this. Gear selection: When going downhill with a heavy load, generally shift to 6th gear to utilize engine braking. If the speed feels too fast, apply some brake; when encountering steep slopes, reduce speed, preferably using 4th or 5th gear while applying brakes. Braking: When braking, gradually press the brake pedal to about one-fourth to one-sixth of its travel and hold it steady. Once the braking effect is achieved, slowly release the pedal in sequence. In case of emergency braking, gradually press the brake pedal to about one-third to half of its travel and hold. Only after the speed has significantly decreased can you gradually press further, but avoid locking the wheels.
I've been driving for most of my life, often hauling heavy loads on mountain roads. The key to going downhill is to control your speed and avoid going too fast. It's best to slow down to a safe range in advance. Use the engine exhaust brake more often to reduce the frequency of using the foot brake, which can prevent the brakes from overheating and failing. Remember to maintain a safe distance and leave enough space for emergencies, so you can react promptly if something happens ahead. When descending steep slopes, avoid sharp steering and try to drive straight to prevent rollovers. Pay attention to the weather too—slow down even more when it's raining and the road is slippery. In short, safety comes first. Stop every now and then to check the brake temperature and carry enough water to cool the wheel hubs. These tips will help you reach your destination safely and save on vehicle repair costs.
