Wheel type excavator chassis

The invention discloses a wheel type excavator chassis which comprises a rack, a transfer mechanism, side transmission mechanisms, a brake mechanism, drive wheels and the like, wherein a row of drive wheels are arranged at the left side and the right side of the rack respectively, the number of the drive wheels at each side is not less than two; the transfer mechanism distributes power to the left side and right side drive mechanisms; at least two output shafts extend out of each side drive mechanism; each output shaft is correspondingly connected with one drive wheel; and the drive wheels at single side rotate synchronously; and the wheel type excavator chassis has strong passing performance and can realize drive of more than four wheels easily.