The Cat® FM548 delivers high swing torque and smooth hydraulics for timber processing. VisionLink™ connectivity and dealer service help owners maximize uptime and productivity.
| Engine Model | Cat C7.1 |
| Net Power – ISO 9249 | 271 hp |
| Engine Power – ISO 14396 | 275 hp |
| Engine Model | Cat C7.1 |
| Net Power – ISO 9249 | 271 hp |
| Engine Power – ISO 14396 | 275 hp |
| Net Power – ISO 9249 (DIN) | 275 hp (metric) |
| Engine Power – ISO 14396 (DIN) | 279 hp (metric) |
| Bore | 4.13 in |
| Stroke | 5.31 in |
| Displacement | 433.3 in³ |
| 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 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 Travel Speed | 3 mile/h |
| Maximum Drawbar Pull | 66319 lbf |
| Main System – Maximum Flow | 132.6 gpm |
| Maximum Pressure – Equipment | 5076 psi |
| Maximum Pressure – Equipment – Lift Mode | 5511 psi |
| Maximum Pressure – Travel | 5076 psi |
| Maximum Pressure – Swing | 4061 psi |
| Swing Speed | 8.1 r/min |
| Maximum Swing Torque | 100308 lbf·ft |
| General Forestry | 83300 lb |
| Note (1) | 558 mm (22″) Side Entry Cab (SEC) Riser, High Wide undercarriage, Reach boom, R2.95 m (9’8″) Reach stick, 700 mm (28″) double grouser shoes, no bucket. |
| Log Loader (U/U) | 89290 lb |
| Note (2) | 1219 mm (48″) Rear Entry Cab (REC) Riser, High Wide undercarriage, Log Loader boom, 3.76 m (12’4″) Under/Under stick with live heel, 700 mm (28″) double grouser shoes, no grapple. |
| Fuel Tank | 262 gal (US) |
| Cooling System | 10 gal (US) |
| Engine Oil | 7 gal (US) |
| Swing Drive | 4 gal (US) |
| Final Drive – Each | 3 gal (US) |
| Hydraulic System – Including Tank | 92 gal (US) |
| Hydraulic Tank | 49 gal (US) |
| DEF Tank | 11 gal (US) |
| Note (1) | General Forestry |
| Shipping Height – Tilted Cab | 11.5 ft |
| Handrail Height | 11.5 ft |
| Length: General Forestry – Boom Stretched Out | 41.3 ft |
| Length: Log Loader – Boom Stretched Out | 49.6 ft |
| Tail Swing Radius | 11.6 ft |
| Counterweight Clearance | 4.9 ft |
| Ground Clearance | 2.5 ft |
| Track Length | 16.6 ft |
| Track Length to Center of Rollers | 13.2 ft |
| Track Gauge | 9.2 ft |
| Transport Width | 11.6 ft |
| Max Reach at Stick Nose at Ground Level – General Forestry Road Builder | 29.5 ft |
| Max Reach at Grapple Mount on Heel at Ground Level – Log Loader Under/Under | 33.5 ft |
| 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 |
| Standard and optional equipment may vary. Consult your Cat dealer for details. |
| ROPS Forestry cab with polycarbonate windows |
| Operator Protective Guards (OPG) |
| 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 |
| VisionLink™ |
| Remote Flash |
| Remote Troubleshoot |
| Maintenance-free 1000 CCA batteries (x4) |
| Centralized electrical disconnect switch |
| LED chassis and left-side boom light – 1,800 lumen |
| 115-amp alternator |
| 24-volt electric starting |
| Horn and travel alarm |
| Pre-start monitoring system |
| Tool control software |
| Secondary engine shutoff switch |
| 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 |
| 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 |
| 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 |
| Operator Protective Guards |
| Rearview camera |
| 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 |
| 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 |
| Standard and optional equipment may vary. Consult your Cat dealer for details. |
| 5.9 m (19'4") Reach boom |
| 6.55 m (21'6") Log Loader boom |
| 2.95 m (9'8") 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 |
| Side entry with 559 mm (22") tilting riser |
| Rear entry with 1219 mm (48") tilting riser |
| Rear entry with 1829 mm (72") tilting riser |
| Premium General Forestry lighting package |
| Premium Log Loader lighting package |
| Cold start package with block heaters |
| Medium pressure circuit |
| Right-hand-sideview cameras |
| Inspection lighting |
| 900 mm (35") Tri Link shoes |
| 850 mm (33") triple grouser shoes |
| 700 mm (28") double or single grouser shoes |
