Exterior View

Interior View

FM558 GF/FM558 LL

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Engine Model

Cat C7.1

Net Power – ISO 9249

298HP

Engine Power – ISO 14396

302HP

Net Power – ISO 9249 (DIN)

303hp (metric)

Engine Power – ISO 14396 (DIN)

306hp (metric)

Bore

4.13in

Stroke

5.31in

Displacement

433.3r/min

Biodiesel Capability

B20¹

Emissions

Meets U.S. EPA Tier 4 Final, EU Stage V emission standards.

Note (1)

Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at time of

Note (2)

¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Maximum Drawbar Pull

78638lbf

Maximum Travel Speed

2.8mile/h

Main System – Maximum Flow

142gal/min

Maximum Pressure – Equipment

5076psi

Maximum Pressure – Equipment – Lift Mode

5511psi

Maximum Pressure – Travel

5076psi

Maximum Pressure – Swing

3945psi

Swing Speed

7.4r/min

Maximum Swing Torque

113584lb/ft

General Forestry

91490lb

Log Loader (U/U)

98550lb

Fuel Tank

262gal (US)

Cooling System

10gal (US)

Engine Oil

7gal (US)

Swing Drive

4gal (US)

Final Drive – Each

3gal (US)

Hydraulic System – Including Tank

92gal (US)

Hydraulic Tank

49gal (US)

DEF Tank

11gal (US)

Max Reach at Grapple Mount on Heel at Ground Level – Log Loader Under/Under

472in

Max Reach at Stick Nose at Ground Level – General Forestry Road Builder

418in

Note (1)

General Forestry

Length: General Forestry – Boom Stretched Out

554in

Length: Log Loader – Boom Stretched Out

619in

Track Gauge

115in

Shipping Height – Tilted Cab

148in

Track Length

203in

Track Length to Center of Rollers

162in

Tail Swing Radius

139in

Transport Width

144in

Counterweight Clearance

60in

Handrail Height

138in

Ground Clearance

30in

Note (1)

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.1 (22″ Riser CAB)/2.2 (48″/72″ Riser CAB) kg of refrigerant, which has a CO2 equivalent of 3.003

Cab
- ROPS Forestry cab with polycarbonate windows
- 4-point harness seat belt
- Heated and cooled seat with air-adjustable suspension
- Integrated joysticks
- Tilt-up left-side console (side-entry cab only)
- High-resolution touchscreen monitor
- Bluetooth integrated radio (including USB, aux port and microphone)
- 12V DC outlets
- Keyless push-to-start engine control
- Automatic bi-level air conditioner
- LED dome and floor lights
- Windshield wiper and washer
- Behind seat storage
- Retractable sunshade
Cat Technologies
- VisionLink^®
- Remote Services capability
Electrical System
- Maintenance-free 1000 CCA batteries (x4)
- Centralized electrical disconnect switch
- LED chassis, boom (GF), stick (LL) and cab lights
Engine
- Electric fuel priming pump
- Three selectable modes: Power, Smart, Eco
- Automatic engine speed control
- Automatic engine idle shutdown
- Up to 4500m (14,764 ft) altitude capability
- 52° C (126° F) high-ambient cooling capacity
- -32° C (-25° F) cold start capability
- Hydraulic reverse fan
- Two-stage fuel filter system
- Double element air filter with integrated pre-cleaner
Hydraulic System
- Boom and stick regeneration circuits
- Boom and stick drift reduction valve
- Electronic main control valve
- Automatic hydraulic oil warmup
- Automatic swing parking brake
- High performance hydraulic return filter
- Automatic two speed travel
- Bio hydraulic oil capability
- High torque swing drive
- Swing cushion valve
- Tool control software
Safety And Security
- Caterpillar One Key security system
- Lockable service doors
- Lockable external tool/storage box
- Lockable fuel caps and hydraulic tank
- Service platforms with anti-skid plate and countersunk bolts
- RH handrail and handhold
- Signaling/warning horn
- Ground-level secondary engine shutoff switch
- Rearview camera
- Travel alarm
Service And Maintenance
- Side-entry service platform
- Left/right-side fuel fill locations
- Grouped location for engine oil and fuel filters
- S·O·S sampling ports
Undercarriage And Structures
- High Wide undercarriage
- Grease lubricated track with positive pin retention
- Catwalks
- Tie down points
- Counterweight fuel tank
- Heavy-duty track rollers
- Heavy-duty travel motor guards
- Heavy-duty bottom guards
- Track guiding guards
- High drawbar final drives
- Heavy-duty recoil springs
- Heavy-duty hydraulic swivel
- Heavy-duty hydraulic swivel guard

Booms And Sticks
- 6.15 m (20’2″) Reach boom – General Forestry
- 6.08 m (22’4″) boom – Log Loader
- 3.2 m (10’6″) Reach stick
- 4.05 m (13’3″) over/under stick
- 4.05 m (13’3″) under/under
- 4.35 m (14’3″) power clam
Cab
- Rear entry
- Side entry
- 559 mm (22″) tilting riser
- 1219 mm (48″) tilting riser
- 1829 mm (72″) tilting riser
- CB radio mounts
- Cat Stick Steer
- Auxiliary relay
Electrical System
- Premium lighting – General Forestry – 6 additional LED lights
- Premium lighting – Log Loader – 10 additional LED lights
Engine
- Cold start package with block heater and ether assist
Hydraulic System
- Medium pressure circuit
Safety And Security
- Easy lock cab tilting system (rear-entry cab only)
- Cab riser light
- Inspection lighting
- Right-hand sideview camera
- Swing alarm
Service And Maintenance
- Integrated vehicle health management system
Undercarriage And Structures
- 850 mm (33″) triple grouser shoes
- 700 mm (28″) double and single grouser shoes