Benton Agri Claas 617-657-697 ATZ LS hydraulics. Air Filter – Primary. Air Filter – Secondary. Cab Air Filter inner. Cab Air Filter outer. Fuel Filter – final 2 micron. Fuel Filter – Pre-filter 30 micron. Hydraulic pressure – Load Sensing. Hydraulic suction – Load Sensing. They were produced and tested by major manufacturers in Europe …