558

Heavy Equipment

558

Net Flywheel Power
239 HP / 178 kW
Gross Power
239 HP / 178 kW
Displacement
428 in³ / 7.01 l

The 558 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 and lower machine operating costs.

Engine
Engine Model Cat C7.1 ACERT
Net Flywheel Power 239 HP / 178 kW
Gross Power 239 HP / 178 kW
Displacement 428 in³ / 7.01 l
Engine Speed - Operation 1750 r/min
Engine Speed - Travel 1800 r/min
Gross Power at 2,200 rpm 239 HP / 178 kW
Number of Cylinders 6
Weights
Estimated Operating Weight without Attachment: General Forestry (Reach) 85239 lb / 38664 kg
Service Refill Capacities
Cooling System 7.9 gal (US) / 30 l
Swing Drive 2.9 gal (US) / 11 l
Hydraulic Tank 46.2 gal (US) / 175 l
DEF Tank 12.2 gal (US) / 46 l
Engine Crankcase 6.3 gal (US) / 24 l
Final Drive - Each 2.9 gal (US) / 11 l
Fuel Tank - CWT 261.4 gal (US) / 989.3 l
Hydraulic System - Total 81.9 gal (US) / 310 l
Hydraulic System
Auxiliary Pump - Reach with Rotate: Maximum Flow 37.2 gal/min / 141 l/min
Auxiliary Pump - Reach with Rotate: Maximum Pressure 1499 psi / 10335 kPa
Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio 1.28:1
Main Pumps - Maximum Flow - Both Pumps 126.8 gal/min / 480 l/min
Main Pumps - Maximum Flow - Per Pump 63.4 gal/min / 240 l/min
Maximum System Pressure - Heavy Lift Mode 5511 psi / 38000 kPa
Maximum System Pressure - Implements 5076 psi / 35000 kPa
Maximum System Pressure - Swing 4641 psi / 32000 kPa
Maximum System Pressure - Travel 5076 psi / 35000 kPa
Operating Specifications
Maximum Drawbar Pull 72164  / 321 kN
Maximum Speed - Rabbit 2.3 mile/h / 3.7 km/h
Maximum Speed - Turtle 1.5 mile/h / 2.4 km/h
Maximum Swing Speed (GF) 7.5 r/min
Swing Torque (GF) 74494 ft·lbf / 101 kN·m
Undercarriage
Ground Clearance 29.5 in / 749 mm
Track Gauge 115 in / 2921 mm
Track Length 199.7 in / 5072 mm
Undercarriage Pitch 8.5 in / 215.9 mm
Dimensions - General Forestry - Boom Stretched Out
Boom Height 146.5 in / 3720 mm
Distance Between Idler and Sprocket Centerline 158.2 in / 4019 mm
Ground Clearance 29.5 in / 749 mm
Height of Tilted Side Entry Cab 137.7 in / 3498 mm
Overall Height 164.5 in / 4178 mm
Overall Length (Reach) 499.2 in / 12680 mm
Tail Swing Radius 143.8 in / 3653 mm
Track Gauge 115 in / 2921 mm
Track Length 199.7 in / 5072 mm
Width - With 700 mm (28 in) Shoes 142.6 in / 3621 mm
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