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.

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)
Dimensions - General Forestry - Boom Stretched Out
Height of Tilted Side Entry Cab
137.7in
Overall Height
164.5in
Distance Between Idler and Sprocket Centerline
158.2in
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
Weights
Estimated Operating Weight without Attachment: General Forestry (Reach)
85239lb
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

Standard Equipment:

Optional Equipment:

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