558 Forest Machine
The 558 features enhanced performance coupled with ultimate machine efficiency. Cat® components, purpose built upper and lower frames, and application specific linkage configurations increase machine up time and lower machine operating costs.
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Engine
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- Engine Model
- Cat C7.1 ACERT
- Net Flywheel Power
- 239hp
- Gross Power
- 239hp
- Gross Power at 2,200 rpm
- 239hp
- Engine Speed: Operation
- 1750rpm
- Number of Cylinders
- 6
- Engine Speed - Operation
- 1750r/min
- Engine Speed - Travel
- 1800r/min
- Engine Model
- Cat C7.1 ACERT
- Net Flywheel Power
- 239HP
- Gross Power
- 239HP
- Displacement
- 428in³
- Gross Power at 2,200 rpm
- 239HP
- Number of Cylinders
- 6
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Weights
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- Estimated Operating Weight without Attachment: General Forestry (Reach)
- 85239lb
- Estimated Operating Weight without Attachment: General Forestry (Reach)
- 85239lb
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Service Refill Capacities
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- Cooling System
- 7.9gal
- Engine Crankcase
- 6.3gal
- Hydraulic Tank
- 46.2gal
- Final Drive – Each
- 2.9gal
- DEF Tank
- 12.2gal
- Swing Drive
- 2.9gal
- Fuel Tank - CWT
- 261.4gal (US)
- Hydraulic System - Total
- 81.9gal (US)
- Cooling System
- 7.9gal (US)
- Swing Drive
- 2.9gal (US)
- Hydraulic Tank
- 46.2gal (US)
- DEF Tank
- 12.2gal (US)
- Engine Crankcase
- 6.3gal (US)
- Final Drive - Each
- 2.9gal (US)
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Operating Specifications
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- Maximum Drawbar Pull
- 72164lbf
- Swing Torque (GF)
- 74494lbf-ft
- Maximum Swing Speed (GF)
- 7.5rpm
- Maximum Speed - Turtle
- 1.5mile/h
- Maximum Speed - Rabbit
- 2.3mile/h
- Maximum Drawbar Pull
- 72164
- Maximum Swing Speed (GF)
- 7.5r/min
- Swing Torque (GF)
- 74494ft·lbf
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Hydraulic System
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- Auxiliary Pump – Reach with Rotate: Pump Drive Gear Ratio
- 1.28:1
- Auxiliary Pump – Reach with Rotate: Maximum Flow
- 37.2gal/min
- Auxiliary Pump – Reach with Rotate: Maximum Pressure
- 1499psi
- Main Pumps - Maximum Flow - Per Pump
- 63.4gal/min
- Main Pumps - Maximum Flow - Both Pumps
- 126.8gal/min
- Maximum System Pressure - Implements
- 5076psi
- Maximum System Pressure - Travel
- 5076psi
- Maximum System Pressure - Swing
- 4641psi
- Maximum System Pressure - Heavy Lift Mode
- 5511psi
- Auxiliary Pump - Reach with Rotate: Maximum Flow
- 37.2gal/min
- Auxiliary Pump - Reach with Rotate: Maximum Pressure
- 1499psi
- Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio
- 1.28:1
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Undercarriage
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- Track Gauge
- 115.0in
- Track Length
- 199.7in
- Ground Clearance
- 29.5in
- Undercarriage Pitch
- 8.5in
- Ground Clearance
- 29.5in
- Track Gauge
- 115in
- Track Length
- 199.7in
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Dimensions: General Forestry (boom stretched out)
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- Height of Tilted Side Entry Cab
- 137.7in
- Boom Height
- 146.5in
- Overall Height
- 164.5in
- Overall Length (Reach)
- 499.2in
- Tail Swing Radius
- 143.8in
- Distance Between Idler and Sprocket Centerline
- 158.2in
- Track Length
- 199.7in
- Ground Clearance
- 29.5in
- Track Gauge
- 115.0in
- Width with 700 mm (28 in) Shoes
- 142.6in
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Dimensions - General Forestry - Boom Stretched Out
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- Boom Height
- 146.5in
- Distance Between Idler and Sprocket Centerline
- 158.2in
- Ground Clearance
- 29.5in
- Height of Tilted Side Entry Cab
- 137.7in
- Overall Height
- 164.5in
- Overall Length (Reach)
- 499.2in
- Tail Swing Radius
- 143.8in
- Track Gauge
- 115in
- Track Length
- 199.7in
- Width - With 700 mm (28 in) Shoes
- 142.6in