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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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SPECIFICATION SUMMARY
  • Engine Model Cat C7.1 ACERT
  • Net Flywheel Power 239 hp
  • Gross Power 239 hp
  • Gross Power at 2,200 rpm 239 hp

PRICE (USD)
Call 800-637-5000 for rate information

Engine

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

Weights

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

Service Refill Capacities

  • Cooling System
    7.9 gal
  • Engine Crankcase
    6.3 gal
  • Hydraulic Tank
    46.2 gal
  • Final Drive – Each
    2.9 gal
  • DEF Tank
    12.2 gal
  • Swing Drive
    2.9 gal
  • Fuel Tank - CWT
    261.4 gal (US)
  • Hydraulic System - Total
    81.9 gal (US)
  • Cooling System
    7.9 gal (US)
  • Swing Drive
    2.9 gal (US)
  • Hydraulic Tank
    46.2 gal (US)
  • DEF Tank
    12.2 gal (US)
  • Engine Crankcase
    6.3 gal (US)
  • Final Drive - Each
    2.9 gal (US)

Operating Specifications

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

Hydraulic System

  • Auxiliary Pump – Reach with Rotate: Pump Drive Gear Ratio
    1.28:1
  • Auxiliary Pump – Reach with Rotate: Maximum Flow
    37.2 gal/min
  • Auxiliary Pump – Reach with Rotate: Maximum Pressure
    1499 psi
  • Main Pumps - Maximum Flow - Per Pump
    63.4 gal/min
  • Main Pumps - Maximum Flow - Both Pumps
    126.8 gal/min
  • Maximum System Pressure - Implements
    5076 psi
  • Maximum System Pressure - Travel
    5076 psi
  • Maximum System Pressure - Swing
    4641 psi
  • Maximum System Pressure - Heavy Lift Mode
    5511 psi
  • Auxiliary Pump - Reach with Rotate: Maximum Flow
    37.2 gal/min
  • Auxiliary Pump - Reach with Rotate: Maximum Pressure
    1499 psi
  • Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio
    1.28:1

Undercarriage

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

Dimensions: General Forestry (boom stretched out)

  • Height of Tilted Side Entry Cab
    137.7 in
  • Boom Height
    146.5 in
  • Overall Height
    164.5 in
  • Overall Length (Reach)
    499.2 in
  • Tail Swing Radius
    143.8 in
  • Distance Between Idler and Sprocket Centerline
    158.2 in
  • Track Length
    199.7 in
  • Ground Clearance
    29.5 in
  • Track Gauge
    115.0 in
  • Width with 700 mm (28 in) Shoes
    142.6 in

Dimensions - General Forestry - Boom Stretched Out

  • Boom Height
    146.5 in
  • Distance Between Idler and Sprocket Centerline
    158.2 in
  • Ground Clearance
    29.5 in
  • Height of Tilted Side Entry Cab
    137.7 in
  • Overall Height
    164.5 in
  • Overall Length (Reach)
    499.2 in
  • Tail Swing Radius
    143.8 in
  • Track Gauge
    115 in
  • Track Length
    199.7 in
  • Width - With 700 mm (28 in) Shoes
    142.6 in

PERFORMANCE AND PRODUCTIVITY

  • Cat C7.1 engine with increased horsepower maintains maximum performance under load
  • Strong hydraulic horsepower for efficient implement performance and greater productivity
  • An increase in swing torque of 17 percent on General Forestry models, provides added power to move trees, which enables more efficiency and productivity
  • Heavy lift mode features increased lift capacity to handle larger payloads with improved control
  • 989 L (261 gal) counterweight fuel tank for extended machine operation and maximum uptime
  • Machine width and track length designed for stability in varied logging applications

POWERFUL EFFICIENCY

  • Engine, hydraulics, and work tool integration are optimized to minimize power losses and increase overall machine efficiency
  • Steady state high idle speed and U.S. EPA Tier 4 Final technology reduce fuel consumption
  • Larger hydraulic pump allows engine to operate at lower rpms with increased performance to maximize efficiency
  • Component layout and back-to-back main hydraulic control valve reduce oil flow restrictions and aid in greater fuel economy
  • Machine designed for integration and optimization with Cat grapples
  • Powerful, multi-functioning hydraulics, combined with strong machine performance ensure work tools function quickly and smoothly to complete work faster

EXPAND YOUR CAPABILITIES

  • Boom arrangements and hydraulic systems for specific applications enable more effective road building, loading, processing, shoveling, or millyard stacking
  • New track option meets shovel logging application requirements
  • Purpose built processor cab option that includes 19 mm (0.75 in) front windows

RELIABILITY YOU CAN COUNT ON

  • Variable pitch, reversing cooling fan maintains optimum fluid temperature in heavy duty forestry applications
  • Cooling capacity increased 33 percent for trouble-free operation
  • Purpose built upper frame, high-wide carbody, robust linkage configurations, and heavy-duty enclosures are reinforced with thick doubler plates, extra gussets, and other reinforcements for structural integrity in severe applications
  • Large, 216 mm (8.5 in) pitch (349 HEX), grease lubricated tracks, provide excellent life in variable forestry working conditions
  • Validated and proven excavator technologies ensure overall machine reliability

SAVE MAINTENANCE TIME

  • One-piece engine hood design, with two opening angles, allows easy access to engine and cooling compartments
  • Side-by-side engine and hydraulic coolers are easy to access for cleaning, while reduced cooling fins per inch allows better debris flow-through and reduced clogging potential
  • 0.71 m³(25 ft³) of storage space at ground level, provides ready access to tools, equipment, and supplies that operators use daily

DESIGNED FOR OPERATORS

  • Premium fit and finishes to maximize operator experience
  • Fully adjustable, air ride cab seat that includes heating and cooling capability for comfort and reduced operator fatigue
  • LED lights increase visibility
  • Rear entry cab option provides safe access through a fully lit platform through the use of a key FOB
  • Rear entry cab window design improves visibility for shovel logging and other applications
  • Rear entry cab includes a new innovative cab lock down system that minimizes transport time and improves uptime
  • Tool control as standard equipment for swapping and selecting tools quickly and efficiently
  • Cat Product Link™ allows for remote location of a machine and enables tracking of fuel consumption and other events