Engine ModelCat C7.1 ACERT
Net Flywheel Power239 HP (178 kW)
Gross Power239 HP (178 kW)
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 ModelCat C7.1 ACERT
-Net Flywheel Power239 HP (178 kW)
-Gross Power239 HP (178 kW)
-Displacement428 in³ (7.01 l)
-Cooling System7.9 gal (US) (30 l)
-Swing Drive2.9 gal (US) (11 l)
-Hydraulic Tank46.2 gal (US) (175 l)
-Track Length199.7 in (5072 mm)
-Undercarriage Pitch8.5 in (215.9 mm)
-Track Gauge115 in (2921 mm)
-Ground Clearance29.5 in (749 mm)
-Swing Torque (GF)74494 ft·lbf (101 kN·m)
-Maximum Speed - Rabbit2.3 mile/h (3.7 km/h)
-Maximum Speed - Turtle1.5 mile/h (2.4 km/h)
-Maximum Swing Speed (GF)7.5 r/min (7.5 r/min)
-Boom Height146.5 in (3720 mm)
-Overall Height164.5 in (4178 mm)
-Track Gauge115 in (2921 mm)
-Track Length199.7 in (5072 mm)
-Width - With 700 mm (28 in) Shoes142.6 in (3621 mm)
-Tail Swing Radius143.8 in (3653 mm)
-Overall Length (Reach)499.2 in (12680 mm)
-Ground Clearance29.5 in (749 mm)
-Height of Tilted Side Entry Cab137.7 in (3498 mm)
-Maximum Drawbar Pull72164 lbf (321 kN)
-Distance Between Idler and Sprocket Centerline158.2 in (4019 mm)
-Maximum System Pressure - Heavy Lift Mode5511 psi (38000 kPa)
-DEF Tank12.2 gal (US) (46 l)
-Engine Crankcase6.3 gal (US) (24 l)
-Final Drive - Each2.9 gal (US) (11 l)
-Estimated Operating Weight without Attachment: General Forestry (Reach)85239 lb (38664 kg)
-Number of Cylinders6
-Engine Speed - Operation1750 r/min (1750 r/min)
-Engine Speed - Travel1800 r/min (1800 r/min)
-Gross Power at 2,200 rpm239 HP (178 kW)
-Fuel Tank - CWT261.4 gal (US) (989.3 l)
-Hydraulic System - Total81.9 gal (US) (310 l)
-Main Pumps - Maximum Flow - Per Pump63.4 gal/min (240 l/min)
-Maximum System Pressure - Implements5076 psi (35000 kPa)
-Maximum System Pressure - Swing4641 psi (32000 kPa)
-Main Pumps - Maximum Flow - Both Pumps126.8 gal/min (480 l/min)
-Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio1.28:1
-Auxiliary Pump - Reach with Rotate: Maximum Flow37.2 gal/min (141 l/min)
-Auxiliary Pump - Reach with Rotate: Maximum Pressure1499 psi (10335 kPa)
-Maximum System Pressure - Travel5076 psi (35000 kPa)

Benefits and Features

Standard Equipment

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