Exterior View
Interior View

FM548 GF/FM548 LL

The Cat® FM548 is simply the best choice in its size class for doing roadbuilding, processing, and log-loading work. With 275 HP and significant hydraulic flow and swing torque increases, the superior performance and exceptional operator comfort and safety of the FM548 will help you produce day in and day out.

Engine Model
Cat C7.1
Net Power – ISO 9249
Engine Power – ISO 14396
Net Power – ISO 9249 (DIN)
275hp (metric)
Engine Power – ISO 14396 (DIN)
279hp (metric)
Biodiesel Capability
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 Travel Speed
Maximum Drawbar Pull
Main System – Maximum Flow
Maximum Pressure – Equipment
Maximum Pressure – Equipment – Lift Mode
Maximum Pressure – Travel
Maximum Pressure – Swing
Swing Speed
Maximum Swing Torque
General Forestry
Log Loader (U/U)
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)
Note (1)
General Forestry
Shipping Height – Tilted Cab
Handrail Height
Length: General Forestry – Boom Stretched Out
Length: Log Loader – Boom Stretched Out
Tail Swing Radius
Counterweight Clearance
Ground Clearance
Track Length
Track Length to Center of Rollers
Track Gauge
Transport Width
Max Reach at Stick Nose at Ground Level – General Forestry Road Builder
Max Reach at Grapple Mount on Heel at Ground Level – Log Loader Under/Under
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 as 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
    • 115-amp alternator
    • 24-volt electric starting
    • Horn and travel alarm
    • Pre-start monitoring system
    • Tool control software
    • Secondary engine shutoff switch
    • Cold start package with block heaters
  • Engine
    • Electric fuel priming pump
    • Three selectable modes: Power, Smart, Eco
    • Automatic engine speed control
    • Automatic engine idle shutdown
    • Up to 4600 m (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 disconnect switch
    • Lockable fuel cap and hydraulic tank
    • Service platforms with anti-skid plate and countersunk bolts
    • Right-hand rail and hand hold
    • Signaling/warning horn
    • Ground-level secondary engine shutoff switch
    • Rearview camera
    • Travel alarm
  • Service And Maintenance
    • Side-entry to service platforms
    • Grouped location for engine oil and fuel filters
    • Scheduled Oil Sampling (S·O·S) ports
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • High Wide undercarriage
    • 8.5″ pitch Cat grease lubricated track chain with pressed fit pin
    • 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
  • Booms And Sticks
    • 5.9 m (19’6″) Reach boom – General Forestry
    • 6.55 m (21’6″) boom – Log Loader
    • 2.95 m (9’6″) Reach stick
    • 3.71 m (12’2″) Goose Neck stick
    • 3.76 m (12’4″) Under/Under stick
    • 4.05 m (13’3″) Over/Under stick
    • 4.05 m (13’3″) Power Clam stick
    • CB2 family bucket linkage
  • 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
  • Electrical System
    • Premium General Forestry lighting package
    • Premium Log Loader lighting package
  • Engine
    • Cold start package with block heaters and ether assist
  • Hydraulic System
    • Medium pressure circuit
  • Safety And Security
    • Right-hand-sideview cameras
    • Inspection lighting
  • Undercarriage And Structures
    • 900 mm (36″) triple grouser Tri Link shoes
    • 850 mm (33″) triple grouser shoes
    • 700 mm (28″) double or single grouser shoes

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably