Forest Machines:

558 Forest Machine

558 Forest Machine
  • 558 Forest Machine
  • 558 Forest Machine
  • 558 Forest Machine
  • 558 Forest Machine
  • 558 Forest Machine
Engine Model
Cat C7.1
Net Flywheel Power
239 HP
Gross Power
239 HP
Displacement
428 in³

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.



Product Specs

  • Engine

  • Engine Model
    Cat C7.1
    Net Flywheel Power
    239HP
    Gross Power
    239HP
    Displacement
    428in³
    Engine Speed - Operation
    1750r/min
    Engine Speed - Travel
    1800r/min
    Gross Power at 2,200 rpm
    239HP
    Number of Cylinders
    6
  • Weights

  • Estimated Operating Weight without Attachment: General Forestry (Reach)
    85239lb
  • Service Refill Capacities

  • 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)
    Fuel Tank - CWT
    261.4gal (US)
    Hydraulic System - Total
    81.9gal (US)
  • Hydraulic System

  • 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
    Main Pumps - Maximum Flow - Both Pumps
    126.8gal/min
    Main Pumps - Maximum Flow - Per Pump
    63.4gal/min
    Maximum System Pressure - Heavy Lift Mode
    5511psi
    Maximum System Pressure - Implements
    5076psi
    Maximum System Pressure - Swing
    4641psi
    Maximum System Pressure - Travel
    5076psi
  • Operating Specifications

  • Maximum Drawbar Pull
    72164lbf
    Maximum Speed - Rabbit
    2.3mile/h
    Maximum Speed - Turtle
    1.5mile/h
    Maximum Swing Speed (GF)
    7.5r/min
    Swing Torque (GF)
    74494ft·lbf
  • Undercarriage

  • Ground Clearance
    29.5in
    Track Gauge
    115in
    Track Length
    199.7in
    Undercarriage Pitch
    8.5in
  • 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

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