559C Knuckleboom Loader
Cat knuckleboom loaders are known for superior multifunction capability, excellent visibility and heavy-duty booms and structures. Now the Cat C Series knuckleboom loaders feature a new more fuel efficient power system, an upgraded hydraulic system for greater reliability and significantly more lift at full reach than previous models.
- Technical Specs
- Gross Power
- 174.0 hp
- Engine Model
- Cat® C6.6 ACERT™ Tier 4 Interim
- Gross Power @ 1,800 rpm
- 174.0 hp
- Operating Weight
- 34100.0 lb
- Operating Weight (less grapple)
- 34100.0 lb
- Operating Weight without grapple
- 34100.0 lb
- Knuckleboom Length
- 32.0 ft
- Swing Speed
- 11.0 RPM
- Maximum Reach (standard boom)
- 32.0 ft
- Standard Knuckleboom Reach to Pin
- 32.0 ft
- Swing Bearing Diameter (ball path)
- 43.5 in
- Swing Torque
- 49173.0 lb ft
- Tailswing
- 106.0 in
- Hydraulic Tank
- 80.0 gal
- Fuel Tank
- 100.0 gal
- Cooling System
- 7.5 gal
- Engine Oil
- 4.0 gal
- Swing Drive
- 1.0 gal
- Cylinders - Main
- two
- Cylinders - Stick
- one
- Hydraulic Pressure - Swing
- 3500.0 psi
- Hydraulic Pressure - System
- 3500.0 psi
- Cylinders - Stabilizers
- four
- Hydraulic Oil Flow @ 1,800 rpm
- 230/174 L (60/46 gal)
- Stabilizer Pad Size
- 508 × 711 mm (20 × 28 in)
- Stabilizer Reach Below Grade
- 17.0 in
- Stabilizer Spread at Maximum Down Reach
- 166.8 in
- Stabilizer Spread at Grade
- 187.3 in
- Height to Top of Cab
- 157.6 in
- OFPS
- cab meets SAE J2267
- Height
- 157.6 in
- Width
- 101.3 in