It is intended for harvesting grain, leguminous, cereal crops, sunflower, testes of grasses, soybeans, direct and separate combining in all grain-growing zones. Excellent for fields of medium and high yield, on hard-to-ground cultures, medium and high humidity. Combines of the AGROMASH 4000 family of 4 classes with a capacity of 12-14 t / h are distinguished by the 1st drum of the rotary device enlarged to Ø 720 mm, a high-capacity unloading device of the mine type, increased to seven cubic meters by a grain hopper, a more powerful motor installation.