The 580N Case loader backhoe is fitted with a diesel engine that produces up to 79 horsepower. The 580 Super N WT features a 92 horsepower diesel engine. The 590 Super M Series 3 loader backhoe is one of Case's most powerful loader backhoes. They are fitted with a diesel engine providing 108 horsepower.
Dig depth refers to the maximum depth a machine can dig into the ground. The backhoe on the 580N loader backhoe offers a maximum dig depth of 14 feet, 7.8 inches. The 580 Super N WT offers a 14-foot, 4.9 inch. dig depth. Case's 590 Super M Series 3 model can dig to a maximum depth of 15 feet, 10 inches.
The 580N's backhoe offers an 11,212 foot-pound (ft-lb) dig force. The hydraulics linked into this backhoe pump hydraulic fluid at a rate of 28.5 gallons per minute (gpm). The 580 Super N WT has a 13,576 ft-lb dig force. The hydraulic system pumps at a 40-gpm rate on this model. Dig force on the 590 Super M Series 3 is 14,718 ft-lb. The hydraulic system on this model backhoe pumps at 31.5 gpm.