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558 Forest Machine

558 Forest Machine

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.

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Engine ModelCat C7.1

Net Flywheel Power239HP

Gross Power239HP

Displacement428in³

Engine Speed - Operation1750r/min

Engine Speed - Travel1800r/min

Gross Power at 2,200 rpm239HP

Number of Cylinders6

Cooling System7.9gal (US)

Swing Drive2.9gal (US)

Hydraulic Tank46.2gal (US)

Final Drive - Each2.9gal (US)

Hydraulic System - Total81.9gal (US)

Fuel Tank - CWT261.4gal (US)

Engine Crankcase6.3gal (US)

DEF Tank12.2gal (US)

Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio1.28:1

Auxiliary Pump - Reach with Rotate: Maximum Flow37.2gal/min

Main Pumps - Maximum Flow - Both Pumps126.8gal/min

Maximum System Pressure - Heavy Lift Mode5511psi

Maximum System Pressure - Travel5076psi

Main Pumps - Maximum Flow - Per Pump63.4gal/min

Auxiliary Pump - Reach with Rotate: Maximum Pressure1499psi

Maximum System Pressure - Swing4641psi

Maximum System Pressure - Implements5076psi

Maximum Speed - Turtle1.5mile/h

Maximum Swing Speed (GF)7.5r/min

Swing Torque (GF)74494ft·lbf

Maximum Speed - Rabbit2.3mile/h

Maximum Drawbar Pull72164lbf

Undercarriage Pitch8.5in

Track Length199.7in

Track Gauge115in

Ground Clearance29.5in

Ground Clearance29.5in

Width - With 700 mm (28 in) Shoes142.6in

Overall Length (Reach)499.2in

Track Length199.7in

Track Gauge115in

Tail Swing Radius143.8in

Boom Height146.5in

Height of Tilted Side Entry Cab137.7in

Overall Height164.5in

Distance Between Idler and Sprocket Centerline158.2in

Estimated Operating Weight without Attachment: General Forestry (Reach)85239lb

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