The engine of the excavator large adopts a system of injection mechanical of fuel, that can control the amount of injection in time real.
Currently, Sany mainly exported 35 tonne model and 45.5 excavators tons to Spanish-speaking countries, and have rated respectively of 190.5/2000 kW/rpm and 250/2000kW/rpm. Large of Sany excavators, possess a higher capacity of adaptation, low maintenance costs and long life while they meet the demands of environmental protection, low fuel consumption, high efficiency, stable and reliable, stability and reliability.
http://es.sanyglobal.com/product/excavator/big/