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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.

Engine

Engine Model

Cat C7.1

Net Flywheel Power

239HP

Gross Power

239HP

Displacement

428in³

Engine Speed - Operation

1750r/min

Engine Speed - Travel

1800r/min

Gross Power at 2,200 rpm

239HP

Number of Cylinders

6

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)

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

Weights

Estimated Operating Weight without Attachment: General Forestry (Reach)

85239lb

Standard Equipment:

Optional Equipment:

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