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Heavier Front Counterweight
A 13-percent heavier front counterweight, increased from 800 pounds (363 kg) to 900 pounds (408 kg), improves stability when roading.
Performance Analysis
The new 580K was put through its paces at the Case proving grounds in Burlington, Iowa, in comparison to the Case 580 Super E. Both units were equipped with 24-inch (610 mm) backhoe buckets.
Performance tests show that the new Case 580K is almost 20 percent better than the 580SE, measured in cubic yards per gallon doing five-foot (1.5 m) trenching. The improvement shoots up to almost 24 percent doing 10-foot (3.0 m) trenching. Though the 580K was faster than the 580SE in performing basement excavation into piles, it used more fuel, thus making cubic yards per gallon almost equal.
Five-Foot (1.5 m) Trenching
580K
580SE
580K
Improvement
Cubic yards/hour
76.7
88.3
+15.1%
(cubic meters/hour)
(58.6)
(76.5)
Gallons of fuel/hour
2.5
2.4
-4.2%
(Liters of fuel/hour)
(9.5)
(9.1)
Cubic yards/gallon
30.7
36.8
+19.9%
(Cubic meters/liter)
(6.2)
(7.4)
Ten-Foot (3.0 m) Trenching
Cubic yards/hour
66.6
76.6
+15.0%
(Cubic meters/hour)
(50.9)
(58.6)
Gallons of fuel/hour
2.7
2.5
-7.4%
(Liters of fuel/hour)
(10.2)
(9.5)
Cubic yards/gallon
24.7
30.6
+23.9%
(Cubic meters/liter)
(5.0)
(6.2)
Basement Excavation into Piles -
- Backhoe
Cubic yards/hour
70.1
83.9
+19.7%
(Cubic meters/hour)
(53.6)
(64.1)
Gallons of fuel/hour
2.0
2.4
+20.0%
(Liters of fuel/hour)
(7.6)
(9.1)
Cubic yards/gallon
35.1
35.0
-0.3%
(Cubic meters/liter)
(7.1)
(7.0)
 

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