Abstract
The production of KOMATSU HD 785-3, 78 ton class dump truck was started in 1988.
About 500 units of HD 785-3 were shipped to miners or constructors all of the world, but not only in domestic market. The reputation of this truck is high production and good reliability.
Recently, many customers of 78 ton class dump truck desire to upgrade their trucks in 100 ton class for more productivity.
KOMATSU HD 985-3 which has the larger size tires is developed with aim of the first truck in 100 ton class to meet the requirements raised at the meetings with the customers.
