558 Forest Machine

Product description

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
  • Engine Model - Cat C7.1
  • Net Flywheel Power - 239HP
  • Gross Power - 239HP
  • Displacement - 428in³
  • Number of Cylinders - 6
  • Engine Speed - Operation - 1750r/min
  • Engine Speed - Travel - 1800r/min
  • Gross Power at 2,200 rpm - 239HP
Service Refill Capacities
  • Cooling System - 7.9gal (US)
  • Swing Drive - 2.9gal (US)
  • Hydraulic Tank - 46.2gal (US)
  • Final Drive - Each - 2.9gal (US)
  • Hydraulic System - Total - 81.9gal (US)
  • Fuel Tank - CWT - 261.4gal (US)
  • Engine Crankcase - 6.3gal (US)
  • DEF Tank - 12.2gal (US)
Weights
  • Estimated Operating Weight without Attachment: General Forestry (Reach) - 85239lb
Hydraulic System
  • Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio - 1.28:1
  • Auxiliary Pump - Reach with Rotate: Maximum Flow - 37.2gal/min
  • Main Pumps - Maximum Flow - Both Pumps - 126.8gal/min
  • Maximum System Pressure - Heavy Lift Mode - 5511psi
  • Maximum System Pressure - Travel - 5076psi
  • Main Pumps - Maximum Flow - Per Pump - 63.4gal/min
  • Auxiliary Pump - Reach with Rotate: Maximum Pressure - 1499psi
  • Maximum System Pressure - Swing - 4641psi
  • Maximum System Pressure - Implements - 5076psi
Operating Specifications
  • Maximum Speed - Turtle - 1.5mile/h
  • Maximum Swing Speed (GF) - 7.5r/min
  • Swing Torque (GF) - 74494ft·lbf
  • Maximum Speed - Rabbit - 2.3mile/h
  • Maximum Drawbar Pull - 72164lbf
Undercarriage
  • Undercarriage Pitch - 8.5in
  • Track Length - 199.7in
  • Track Gauge - 115in
  • Ground Clearance - 29.5in
Dimensions - General Forestry - Boom Stretched Out
  • Ground Clearance - 29.5in
  • Width - With 700 mm (28 in) Shoes - 142.6in
  • Overall Length (Reach) - 499.2in
  • Track Length - 199.7in
  • Track Gauge - 115in
  • Tail Swing Radius - 143.8in
  • Boom Height - 146.5in
  • Height of Tilted Side Entry Cab - 137.7in
  • Overall Height - 164.5in
  • Distance Between Idler and Sprocket Centerline - 158.2in
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