Mining: Tracked Tractor Caterpillar

Model	Caterpillar track pitch	Track width	Specific ground pressure	Rolling bearings number on either side	Track shoes number per side	Contact with ground area
D9T	240 mm - 9.4 inch	2250 mm - 7.4 ft.	110.9 kPa - 16.1 lb / sq. inch	8	43	4.2 m2 - 6569 inch2
D9R		2250 mm - 7.4 ft.	110.9 kPa - 16.1 lb / sq. inch	8		4.2 m2 - 6569 inch2
D9N		2250 mm - 7.4 ft.	98.4 kPa - 14.3 lb / sq. inch	8		4.2 m2 - 6572 inch2
D9L		2500 mm - 8.2 ft.	118 kPa - 17.1 lb / sq. inch	8		4.3 m2 - 6696 inch2
D9H		2290 mm - 7.5 ft.	101.4 kPa - 14.7 lb / sq. inch	7		4.1 m2 - 6336 inch2
D11T	318 mm - 12.5 inch	2896 mm - 9.5 ft.	138.1 kPa - 20 lb / sq. inch	8	41	6.3 m2 - 9781 inch2
D11R		2890 mm - 9.5 ft.	162.5 kPa - 23.6 lb / sq. inch	8		6.3 m2 - 9781 inch2
D11N		2890 mm - 9.5 ft.	149 kPa - 21.6 lb / sq. inch	8		6.3 m2 - 9796 inch2
D10T	260 mm - 10.2 inch			8	44	4.7 m2 - 7326 inch2
D10R		2550 mm - 8.4 ft.	135.3 kPa - 19.6 lb / sq. inch	8		4.7 m2 - 7321 inch2
D10N		2550 mm - 8.4 ft.	119.1 kPa - 17.3 lb / sq. inch	8		4.7 m2 - 7331.5 inch2