558 Forest Machine

558 Forest Machine

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 ...
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Engine

Engine Model
Cat C7.1 ACERT
Net Flywheel Power
239HP
Gross Power
239HP
Displacement
428in³
Number of Cylinders
6
Gross Power at 2,200 rpm
239HP
Engine Speed - Operation
1750r/min
Engine Speed - Travel
1800r/min

Service Refill Capacities

Cooling System
7.9gal (US)
Swing Drive
2.9gal (US)
Hydraulic Tank
46.2gal (US)
Final Drive - Each
2.9gal (US)
Engine Crankcase
6.3gal (US)
DEF Tank
12.2gal (US)
Fuel Tank - CWT
261.4gal (US)
Hydraulic System - Total
81.9gal (US)

Dimensions - General Forestry - Boom Stretched Out

Height of Tilted Side Entry Cab
137.7in
Ground Clearance
29.5in
Distance Between Idler and Sprocket Centerline
158.2in
Boom Height
146.5in
Overall Height
164.5in
Overall Length (Reach)
499.2in
Tail Swing Radius
143.8in
Track Gauge
115in
Track Length
199.7in
Width - With 700 mm (28 in) Shoes
142.6in

Undercarriage

Track Length
199.7in
Track Gauge
115in
Ground Clearance
29.5in
Undercarriage Pitch
8.5in

Operating Specifications

Swing Torque (GF)
74494ft·lbf
Maximum Swing Speed (GF)
7.5r/min
Maximum Drawbar Pull
72164lbf
Maximum Speed - Turtle
1.5mile/h
Maximum Speed - Rabbit
2.3mile/h

Hydraulic System

Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio
1.28:1
Auxiliary Pump - Reach with Rotate: Maximum Pressure
1499psi
Auxiliary Pump - Reach with Rotate: Maximum Flow
37.2gal/min
Main Pumps - Maximum Flow - Per Pump
63.4gal/min
Main Pumps - Maximum Flow - Both Pumps
126.8gal/min
Maximum System Pressure - Implements
5076psi
Maximum System Pressure - Travel
5076psi
Maximum System Pressure - Swing
4641psi
Maximum System Pressure - Heavy Lift Mode
5511psi

Weights

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

Standard Equipment: