Forest Machines

558 Forest Machine

Engine Model

Cat C7.1

Net Flywheel Power

239 HP

Gross Power

239 HP


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.

Detailed Equipment Specifications

Dimensions - General Forestry - Boom Stretched Out

Boom Height

146.5 in

Overall Height

164.5 in

Overall Length (Reach)

499.2 in

Track Gauge

115 in

Ground Clearance

29.5 in

Width - With 700 mm (28 in) Shoes

142.6 in

Track Length

199.7 in

Tail Swing Radius

143.8 in

Height of Tilted Side Entry Cab

137.7 in

Distance Between Idler and Sprocket Centerline

158.2 in


Engine Model

Cat C7.1

Net Flywheel Power

239 HP

Gross Power

239 HP


428 in³

Engine Speed - Operation

1,750 r/min

Engine Speed - Travel

1,800 r/min

Gross Power at 2,200 rpm

239 HP

Number of Cylinders


Hydraulic System

Maximum System Pressure - Implements

5,076 psi

Auxiliary Pump - Reach with Rotate: Maximum Pressure

1,499 psi

Maximum System Pressure - Swing

4,641 psi

Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio


Auxiliary Pump - Reach with Rotate: Maximum Flow

37.2 gal/min

Main Pumps - Maximum Flow - Both Pumps

126.8 gal/min

Maximum System Pressure - Heavy Lift Mode

5,511 psi

Maximum System Pressure - Travel

5,076 psi

Main Pumps - Maximum Flow - Per Pump

63.4 gal/min

Operating Specifications

Maximum Speed - Rabbit

2.3 mile/h

Maximum Swing Speed (GF)

7.5 r/min

Maximum Speed - Turtle

1.5 mile/h

Swing Torque (GF)

74,494 ft·lbf

Maximum Drawbar Pull

72,164 lbf

Service Refill Capacities

Cooling System

7.9 gal (US)

Swing Drive

2.9 gal (US)

Hydraulic Tank

46.2 gal (US)

Final Drive - Each

2.9 gal (US)

Hydraulic System - Total

81.9 gal (US)

Fuel Tank - CWT

261.4 gal (US)

Engine Crankcase

6.3 gal (US)

DEF Tank

12.2 gal (US)


Track Gauge

115 in

Undercarriage Pitch

8.5 in

Track Length

199.7 in

Ground Clearance

29.5 in


Estimated Operating Weight without Attachment: General Forestry (Reach)

85,239 lb


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