Hitachi currently has 10 EX3500 and four EX1800 large-scale excavators working on site. It is the world’s biggest fleet of Hitachi large-scale excavators. The first EX3500 was delivered in December 1990, and up to now, a total of 12 EX3500 excavators and 6 EX1800 excavators have been delivered.
What is outstanding about this operation is the availability of these excavators after so many hours on the job. The first EX3500 passed 88,209 operating hours in December, 2003. The average availability of the EX3500 is 91.42%, for an average of 71,084 operating hours,
and for the EX1800, 92.42% for 89,828 operating hours.