The Cat® FM558 excels in shovel logging with stability, comfort, and strong hydraulics. Cat forestry tools, VisionLink™ monitoring, and dealer support keep operations profitable.
0% FOR 12 MONTHS OR 1.9% FOR 24 MONTHS ON CAT® WORK TOOLS
Get 0% for 12 Months or 1.9% for 24 Months1 on qualifying Cat® Work Tool purchases of $1,000 or more when you use the Cat® Card. Offer valid through December 31, 2026.
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 2,200 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) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** 100%
Maximum Drawbar Pull
78638lbf
Maximum Travel Speed
2.8mile/h
Main System – Maximum Flow
141gpm
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
113584lbf·ft
General Forestry
91490lb
Note (1)
22″ SEC Riser, High Wide undercarriage, 5.04mt CTWT, Reach Boom, R3.2 m (10’2″) Reach stick, 700mm (28″) double grouser shoes, 1.76 m³ (2.30 yd³) HD bucket.
Log Loader (U/U)
98550lb
Note (2)
72″ REC Riser, High Wide undercarriage, Log Loader boom, 4.05 m (13’3″) Under/Under stick with live heel, 700mm (28″) double grouser shoes, no grapple.
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
39.3ft
Max Reach at Stick Nose at Ground Level – General Forestry Road Builder
35.3ft
Note (1)
General Forestry
Length: General Forestry – Boom Stretched Out
46.2ft
Length: Log Loader – Boom Stretched Out
51.6ft
Track Gauge
9.6ft
Shipping Height – Tilted Cab
11.9ft
Track Length
16.9ft
Track Length to Center of Rollers
13.5ft
Tail Swing Radius
11.6ft
Transport Width
12ft
Counterweight Clearance
4.9ft
Handrail Height
11.6ft
Ground Clearance
2.5ft
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
Note
Standard and optional equipment may vary. Consult your Cat dealer for details.
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 Flash
Remote Troubleshoot
Cat Payload
Electrical System
Maintenance-free 1000 CCA batteries (x4)
Centralized electrical disconnect switch
LED chassis and left-side boom light (1,800 lumen)
Horn and travel alarm
Engine
Electric fuel priming pump
Three selectable modes: Power, Smart, Eco
Automatic engine speed control
Automatic engine idle shutdown
Up to 4600m (15,092 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
Lockable disconnect switch
Service platforms with anti-skid plate and countersunk bolts
RH handrail and handhold
Signaling/warning horn
Ground-level secondary engine shutoff switch
Rearview camera
Operator Protective Guards
Service And Maintenance
Side-entry service platform
Integrated vehicle health management system
Grouped location for engine oil and fuel filters
Scheduled Oil Sampling (S·O·S℠) ports
Undercarriage And Structures
High Wide undercarriage
216 mm (8.5″) pitch Cat grease lubricated track chain with PPR3 positive pin retention
Catwalks
Tie down points
Counterweight fuel tank
Heavy-duty track rollers and frames
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
Note
Standard and optional equipment may vary. Consult your Cat dealer for details.
Booms And Sticks
6.15 m (20’2″) Reach boom
6.8 m (22’4″) Log Loader boom
3.2 m (10’6″) Reach stick
4.05 m (13’3″) Over/Under stick
4.05 m (13’3″) Under/Under stick
4.35 m (14’3″) Power Clam stick
Cab
Side entry with 559 mm (22″) tilting riser
Rear entry with 1219 mm (48″) tilting riser
Rear entry with 1829 mm (72″) tilting riser
Cat Stick Steer
Auxiliary relay
Electrical System
Premium lighting – General Forestry
Premium lighting – Log Loader
Engine
Cold start package with block heater
Hydraulic System
Medium pressure circuit
Safety And Security
Inspection lighting
Right-hand sideview camera
Undercarriage And Structures
5.0 mt (11,023 lb) counterweight fuel tank (optional for General Forestry only)