EUREKA A4 khadka wax soo saarka otomaatiga ah wuxuu ka kooban yahay xaashida nuqulka A4, mashiinka baakadaha ream warqad, iyo sanduuqa baakadaha. Kaas oo qaata xaashida isku dhafka ah ee mataanaha rotary ee ugu horumarsan si loo helo goyn sax ah oo wax soo saar sare leh iyo xidhid toos ah.
Taxanahan waxa ku jira xariiqa wax soo saarka sare ee A4-4 (4 jeebab) xaashi cabbir go'an, A4-5 (5 jeebab) xaashi cabbir gooyay.
Iyo xariiqda wax soo saarka A4 ee is haysta A4-2 (2 jeebab) xaashi cabbirka gooyay.