Big Tractor Power is out in the field with a 580 hp JCASE IH STEIGER 580 Tractor working on applying liquid manure with a PUCK 4wd Swing Arm Manure Drag Line and 30ft Dietrich 70 Series 12 Shank Injector. Viewers will follow this big application team in the field as it applies 20,000 gallons of dairy cow liquid manure per acre. bigtractorpower