Construction Machinery: Mini Digger Tata Hitachi

Model	Shoe dimensions	Track width	Specific ground pressure	Maximum travel speed	Support rollers number on either side	Rolling bearings number on either side
TMX20	250 mm - 9.8 inch	1120 mm - 3.7 ft.	29.4 kPa - 4.3 lb / sq. inch	2.9 km/h - 1.8 mile / h	1	3
EX40	400 mm - 15.7 inch	1450 mm - 4.8 ft.	24.5 kPa - 3.6 lb / sq. inch	4.5 km/h - 2.8 mile / h	1	4