The manual hydraulic carrier is also called a dirt. Its wheels are generally divided into two types, namely: nylon wheel and PU wheel. Among them, the PU wheel has a requirement for the ground, and it must be a flat and no pit, otherwise it will damage the wheels. The advantage is that the noise is small. The nylon wheels do not have special requirements for the ground. Any ground can walk, and the applicability is more extensive. The manual hydraulic carrier of our company uses 2.44 and 4.22 thick steel plates, durable and thick. Upgrade integrated sealing casting oil pump, the key parts are used in imports. According to the disadvantages of oil leakage, the piston chromium plating treatment is solid. The structure is strong. The internal overflow valve has overload protection to effectively avoid overloading and decrease speed control. The valve core uses the overall part, which is different from the decentralized parts to facilitate maintenance, so that the car is more suitable for market demand. The selected manual hydraulic carrier car is full -bodied, that is, the reverse side of the fork is reinforced with a long steel plate, and durable.