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Overview

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

Units:
Engine Model Cat C7.1 ACERT Cat C7.1 ACERT Less
Net Flywheel Power 239.0 HP 178.0 kW Less
Gross Power 239.0 HP 178.0 kW Less
Displacement 428.0 in³ 7.01 l Less
Engine Speed - Operation 1750.0 r/min 1750.0 r/min Less
Engine Speed - Travel 1800.0 r/min 1800.0 r/min Less
Gross Power at 2,200 rpm 239.0 HP 178.0 kW Less
Number of Cylinders 6 6 Less

Weights

Estimated Operating Weight without Attachment: General Forestry (Reach) 85239.0 lb 38664.0 kg Less

Service Refill Capacities

Cooling System 7.9 gal (US) 30.0 l Less
Swing Drive 2.9 gal (US) 11.0 l Less
Hydraulic Tank 46.2 gal (US) 175.0 l Less
Final Drive - Each 2.9 gal (US) 11.0 l Less
Hydraulic System - Total 81.9 gal (US) 310.0 l Less
Fuel Tank - CWT 261.4 gal (US) 989.3 l Less
Engine Crankcase 6.3 gal (US) 24.0 l Less
DEF Tank 12.2 gal (US) 46.0 l Less

Hydraulic System

Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio 1.28:1 1.28:1 Less
Auxiliary Pump - Reach with Rotate: Maximum Flow 37.2 gal/min 141.0 l/min Less
Main Pumps - Maximum Flow - Both Pumps 126.8 gal/min 480.0 l/min Less
Maximum System Pressure - Heavy Lift Mode 5511.0 psi 38000.0 kPa Less
Maximum System Pressure - Travel 5076.0 psi 35000.0 kPa Less
Main Pumps - Maximum Flow - Per Pump 63.4 gal/min 240.0 l/min Less
Auxiliary Pump - Reach with Rotate: Maximum Pressure 1499.0 psi 10335.0 kPa Less
Maximum System Pressure - Swing 4641.0 psi 32000.0 kPa Less
Maximum System Pressure - Implements 5076.0 psi 35000.0 kPa Less

Operating Specifications

Maximum Speed - Turtle 1.5 mile/h 2.4 km/h Less
Maximum Swing Speed (GF) 7.5 r/min 7.5 r/min Less
Swing Torque (GF) 74494.0 ft·lbf 101.0 kN·m Less
Maximum Speed - Rabbit 2.3 mile/h 3.7 km/h Less
Maximum Drawbar Pull 72164.0 lbf 321.0 kN Less

Undercarriage

Undercarriage Pitch 8.5 in 215.9 mm Less
Track Length 199.7 in 5072.0 mm Less
Track Gauge 115.0 in 2921.0 mm Less
Ground Clearance 29.5 in 749.0 mm Less

Dimensions - General Forestry - Boom Stretched Out

Ground Clearance 29.5 in 749.0 mm Less
Width - With 700 mm (28 in) Shoes 142.6 in 3621.0 mm Less
Overall Length (Reach) 499.2 in 12680.0 mm Less
Track Length 199.7 in 5072.0 mm Less
Track Gauge 115.0 in 2921.0 mm Less
Tail Swing Radius 143.8 in 3653.0 mm Less
Boom Height 146.5 in 3720.0 mm Less
Height of Tilted Side Entry Cab 137.7 in 3498.0 mm Less
Overall Height 164.5 in 4178.0 mm Less
Distance Between Idler and Sprocket Centerline 158.2 in 4019.0 mm Less

PERFORMANCE AND PRODUCTIVITY

POWERFUL EFFICIENCY

EXPAND YOUR CAPABILITIES

RELIABILITY YOU CAN COUNT ON

SAVE MAINTENANCE TIME

DESIGNED FOR OPERATORS