Underground personnel carrier is a service vehicle widely used in various mines and tunnel construction projects. Customers can customize the number of seats according to their needs. The frames are articulated, with large turning angle, small turning radius and flexible turning. The transmission system adopts Dana gearbox and torque converter to match accurately. The engine is German DEUTZ brand, turbocharged engine with strong power. The exhaust gas purification device is Canadian ECS platinum catalytic purifier with muffler, which greatly reduces the air and noise pollution in the working tunnel. At present, there are 13, 18, 25, 30 seats in common use.