Construction Machinery: Mini Digger Kobelco

Model	Shoe dimensions	Track width	Specific ground pressure	Maximum travel speed	Hook traction force	Caterpillar track length on ground level
SK40SR-5	400 mm - 15.7 inch			4.6 km/h - 2.9 mile / h		1820 mm - 6 ft.
SK35SR-5	300 mm - 11.8 inch			4.5 km/h - 2.8 mile / h		1700 mm - 5.6 ft.
SK30SR-5	300 mm - 11.8 inch			4.5 km/h - 2.8 mile / h		1540 mm - 5.1 ft.
35SR-3	300 mm - 11.8 inch	1400 mm - 4.6 ft.	32.4 kPa - 4.7 lb / sq. inch	4.5 km/h - 2.8 mile / h	38.2 kN - 8587 pound	1700 mm - 5.6 ft.
35SR ACERA	300 mm - 11.8 inch	1400 mm - 4.6 ft.	32 kPa - 4.6 lb / sq. inch	4.5 km/h - 2.8 mile / h		1700 mm - 5.6 ft.
30SR-3	300 mm - 11.8 inch	1250 mm - 4.1 ft.	29 kPa - 4.2 lb / sq. inch	4.5 km/h - 2.8 mile / h	38.5 kN - 8663 pound	2000 mm - 6.6 ft.
27SR-3	250 mm - 9.8 inch	1250 mm - 4.1 ft.	28 kPa - 4.1 lb / sq. inch	4 km/h - 2.5 mile / h	28.3 kN - 6368 pound	1590 mm - 5.2 ft.
27SR ACERA	250 mm - 9.8 inch	1250 mm - 4.1 ft.	28 kPa - 4.1 lb / sq. inch	4.1 km/h - 2.5 mile / h		1590 mm - 5.2 ft.
17SR ACERA	230 mm - 9.1 inch	1090 mm - 3.6 ft.	27.6 kPa - 4 lb / sq. inch	4 km/h - 2.5 mile / h		1210 mm - 4 ft.
13SR	230 mm - 9.1 inch	660 mm - 2.2 ft.	22.1 kPa - 3.2 lb / sq. inch	3.7 km/h - 2.3 mile / h	18.5 kN - 4160 pound	1210 mm - 4 ft.