What is the max speed for 4 wheel drive high?

The maximum speed for 4-wheel drive high (4WD High) typically varies by vehicle, but it is generally safe to operate at speeds up to 55-65 mph (88-104 km/h). Driving faster than this can lead to drivetrain strain and potential damage, especially in vehicles not designed for high-speed 4WD use. Always consult your vehicle's owner manual for specific guidelines regarding 4WD speeds.