What is the difference between 2h4h and 4l?
2 Answers
The differences between 2h4h and 4l are as follows: 1. 2h stands for two-wheel drive. It provides less driving force and lower driving torque, making it suitable for urban road driving in general vehicle models but not for off-road or complex road conditions. 2. 4h stands for high-speed four-wheel drive. The gear ratio in the transfer case is smaller, allowing for relatively higher speeds, but it cannot guarantee sufficient power, making it suitable for mild off-road conditions. 3. 4l stands for low-speed four-wheel drive. The gear ratio in the transfer case is larger, amplifying the torque while reducing speed and increasing power. It is suitable for extremely harsh road conditions. Additional information: 1. It is not recommended to use 4l on surfaces like snow, mud, or sand; instead, use 4h. The reason is that on low-traction surfaces during startup, the torque amplified by 4l can be too large, causing the tires to spin and slip instantly, making it difficult to start. 2. Switching between two-wheel drive (2h) and all-wheel drive (4h) can be done while the vehicle is moving, but it must be within a certain speed range.
I remember once when I was exploring mountain trails, I encountered a steep muddy path. As soon as I engaged 4L mode, the vehicle immediately gained extra thrust and slowly but steadily climbed up – the speed was incredibly stable but really fuel-hungry. For daily commuting, I always use 2H mode, which is fuel-efficient and smooth, just like a regular car. Occasionally on rainy days when roads get slippery, I switch to 4H mode with all four wheels driving, providing much better traction – though you shouldn't exceed 60 km/h in this mode. Important reminder: Never use 4L on dry paved roads, as it can damage tires and overwork the vehicle. During maintenance, always check the drivetrain fluids to prevent aging issues. Experienced off-roaders all know these rules – safety comes first.
