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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.

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

Specs

Engine

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
Net Flywheel Power
239HP
Gross Power
239HP
Displacement
428in³
Gross Power at 2,200 rpm
239HP
Number of Cylinders
6

Weights

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

Service Refill Capacities

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)

Operating Specifications

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

Hydraulic System

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

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

Dimensions: General Forestry (boom stretched out)

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

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

Features

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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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

Standard Equipment

Optional Equipment