Mining: Tracked Tractor Caterpillar

Model	Overflow valve pressure
D9T	40500 kPa - 5875 lb / sq. inch
D9N	18615.8 kPa - 2700 lb / sq. inch
D11T	24135 kPa - 3500 lb / sq. inch
D11N	22752.7 kPa - 3300 lb / sq. inch
D10T	18790 kPa - 2725 lb / sq. inch
D10R	18615.8 kPa - 2700 lb / sq. inch
D10N	18600 kPa - 2697.7 lb / sq. inch