One kind Tobacco harvesting machine frame, comprising a main frame, the left steering and right steering apparatus ram left and right push rod and the Ping Heng device; the main bracket includes a first flat beam left and right flat beams, the two beam, the gantry frame, a first mounting plate and the first mounting seat, a right rear seat; Ping Heng means comprises a second left flat beam, a second mounting plate and a second mounting bracket, the left rear wheel carrier ; left steering device connected to the second mounting plate, a left push rod ends respectively with the left and the steering device connected to the second mounting seat; the right steering device connected to the first mounting plate, and right ends, respectively, the right push rod and steering means a first mounting bracket connecting the second beam and the first left level by the left level beam connecting shaft connecting the left flat beam. The present invention can be mounted simultaneously picking platform, cab and power equipment, fuel and hydraulic oil tank, the delivery of tobacco and tobacco hopper device and the like to maintain Ping Heng of the vehicle body, flexible and reliable operation and simple structure.