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558 Forest Machine

Overview

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.

558 Forest Machine - Specifications

Engine
Engine Model
Cat C7.1
Net Flywheel Power
239 HP
178 kW
Gross Power
239 HP
178 kW
Displacement
428 in³
7.01 l
Engine Speed - Operation
1750 r/min
1750 r/min
Engine Speed - Travel
1800 r/min
1800 r/min
Gross Power at 2,200 rpm
239 HP
178 kW
Number of Cylinders
6
Service Refill Capacities
Cooling System
7.9 gal (US)
30 l
Swing Drive
2.9 gal (US)
11 l
Hydraulic Tank
46.2 gal (US)
175 l
Fuel Tank - CWT
261.4 gal (US)
989.3 l
Final Drive - Each
2.9 gal (US)
11 l
Hydraulic System - Total
81.9 gal (US)
310 l
Engine Crankcase
6.3 gal (US)
24 l
DEF Tank
12.2 gal (US)
46 l
Undercarriage
Ground Clearance
29.5 in
749 mm
Undercarriage Pitch
8.5 in
215.9 mm
Track Length
199.7 in
5072 mm
Track Gauge
115 in
2921 mm
Operating Specifications
Swing Torque (GF)
74494 ft·lbf
101 kN·m
Maximum Speed - Rabbit
2.3 mile/h
3.7 km/h
Maximum Drawbar Pull
72164 lbf
321 kN
Maximum Speed - Turtle
1.5 mile/h
2.4 km/h
Maximum Swing Speed (GF)
7.5 r/min
7.5 r/min
Dimensions - General Forestry - Boom Stretched Out
Track Length
199.7 in
5072 mm
Ground Clearance
29.5 in
749 mm
Width - With 700 mm (28 in) Shoes
142.6 in
3621 mm
Overall Length (Reach)
499.2 in
12680 mm
Track Gauge
115 in
2921 mm
Tail Swing Radius
143.8 in
3653 mm
Boom Height
146.5 in
3720 mm
Height of Tilted Side Entry Cab
137.7 in
3498 mm
Overall Height
164.5 in
4178 mm
Distance Between Idler and Sprocket Centerline
158.2 in
4019 mm
Hydraulic System
Main Pumps - Maximum Flow - Per Pump
63.4 gal/min
240 l/min
Maximum System Pressure - Implements
5076 psi
35000 kPa
Maximum System Pressure - Swing
4641 psi
32000 kPa
Auxiliary Pump - Reach with Rotate: Pump Drive Gear Ratio
1.28:1
Auxiliary Pump - Reach with Rotate: Maximum Flow
37.2 gal/min
141 l/min
Main Pumps - Maximum Flow - Both Pumps
126.8 gal/min
480 l/min
Maximum System Pressure - Heavy Lift Mode
5511 psi
38000 kPa
Maximum System Pressure - Travel
5076 psi
35000 kPa
Auxiliary Pump - Reach with Rotate: Maximum Pressure
1499 psi
10335 kPa
Weights
Estimated Operating Weight without Attachment: General Forestry (Reach)
85239 lb
38664 kg