It's how the engine is made...all 999cc engine have different Bore and stroke.. it is never about CC. It is more complex so understand as many factors are involved.
The Japanese machineries are the best in the market. Tata has to launch international standard products not this one. Competition is way head of this. Tata has hitachi why they are lagging behind in mini excavators ?
Observe the current market demands and trends, and examine how India is embracing the new Mini Excavator trend. A decade ago, this machine was nearly extinct, Now holding about 3-4% market share compared to traditional Excavators. However, wait a year, and you'll witness a significant shift in adoption patterns and OEM's updating the complete Goble Tech!