Full synchronized shift transmission arrangement of high -power wheeled tractor

The utility model relates to a tractor social security field, concretely relates to full synchronized shift transmission arrangement of high -power wheeled tractor, including main speed change gear, vice speed change gear, the transfer case device arranged in proper order, wherein main speed change gear one end links to each other with the engine, and vice speed change gear one end links to each other with the rear axle of tractor, and the other end links to each other with front axle, and the transfer case device is equipped with wet clutch, provides behind the tractor power take off and elevator pump and exports with the lubricant pump. The utility model discloses can transmit the power of tractor engine to tractor rear axle, front axle and power output shaft to can realize 16 drive shifts, 4 to moving back shelves, 1 back power take off, 1 promotion pumping hole and 1 lubricated pumping hole.