558 LL Forest Machine

558 LL Forest Machine

360° Exterior View

The 558 LL 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 ...
PDF Print SHARE

Engine

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

Service Refill Capacities

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

Dimensions - Log Loader - Boom Stretched Out

Distance Between Idler and Sprocket Centerline
158.2in
Boom Height
115in
Height of Tilted Side Entry Cab
137.7in
Ground Clearance
29.5in
Overall Height
194.2in
Overall Length (U/U)
628.6in
Tail Swing Radius
143.8in
Track Gauge
115in
Track Length
199.7in
Width - With 700 mm (28 in) Shoes
142.6in

Undercarriage

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

Operating Specifications

Swing Torque
86295ft·lbf
Maximum Swing Speed
7.5r/min
Maximum Drawbar Pull
72164lbf
Maximum Speed - Turtle
1.5mile/h
Maximum Speed - Rabbit
2.3mile/h

Hydraulic System

Auxiliary Pump - U/U and O/U - Maximum Pressure
1499psi
Auxiliary Pump - U/U and O/U - Maximum Flow
14gal/min
Auxiliary Pump - Bnt/Power Clam: Pump Drive Gear Ratio
1.28:1
Auxiliary Pump - Bnt/Power Clam: Maximum Pressure
1499psi
Auxiliary Pump - Bnt/Power Clam: Maximum Flow
37.2gal/min
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

Weights

Estimated Operating Weight without Attachment - Log Loader (U/U)
93176lb
Estimated Operating Weight without Attachment - Log Loader (O/U)
93004lb

Performance

  • Cat 178 kW (239 hp) C7.1 ACERT™ Tier 4 Final 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 35 percent on Log Loader 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

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

Application Versatility

  • 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
  • Two new premium rear entry cab choices, available on the Log Loader, include a 1219 mm (48 in) straight riser or a 1829 mm (72 in) cab forward riser
  • Purpose built processor cab option that includes 19 mm (0.75 in) front windows

Reliability and Durability

  • 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

Serviceability

  • 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

Operator Comfort and Technology

  • 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: