558 Forest Machine
Performance and availability describe the Cat® 558 Forest Machine. Purpose built, it features extreme-duty component frames that can handle the machine’s powerful engine and hydraulics systems ensuring productivity, durability and lower operating costs. Options are available to fit the 538 to your specific forestry tasks.
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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
- 72164lbf
- 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
-
- 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
-
- 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