This gate—type front axle is designed for low floor bus system. It is of integrated forged fist—type structure. Its capacity load is 7T, maximum center distance between leaf springs can reach 1180 mm, maximum wheel base is 2101 mm, the maximum width of the passageway in the bus is 900 mm. Specification of drum brake is CD 400 x 150, specification of disk brake is 22.5’, specification of rim is 8.25 x 22.5, specification of tyre is 11 R20/1 1 R22.5. ABS and the clearance self—adjusting arm are selective equipments.