Cat FM548 General Forest and Log Loader Machine

FM548 General Forest and Log Loader Machine

Cat® Next Generation FM548 Forestry Machines: Logging Made Simple, Secure, And Satisfying

Cat® Forestry Machines Help A Family Business Grow

SPECS SUMMARY

Engine Model	Cat C7.1
Net Power - ISO 9249	271 HP (202.4 kW)
Engine Power - ISO 14396	275 HP (205 kW)
Net Power - ISO 9249 (DIN)	275 hp (metric) (275 hp (metric))

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.

Specifications

Engine Model	Cat C7.1
Net Power - ISO 9249	271 HP (202.4 kW)
Engine Power - ISO 14396	275 HP (205 kW)
Net Power - ISO 9249 (DIN)	275 hp (metric) (275 hp (metric))
Engine Power - ISO 14396 (DIN)	279 hp (metric) (279 hp (metric))
Bore	4.13 in (105 mm)
Stroke	5.31 in (135 mm)
Displacement	433.3 r/min (7.1 r/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 manufacture.
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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or Caterpillar Machine Fluids Recommendations (SEBU6250) for details. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). *Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Maximum Travel Speed	3 mile/h (4.8 km/h)
Maximum Drawbar Pull	66319 lbf (295 kN)
Main System - Maximum Flow	132.6 gal/min (502 l/min)
Maximum Pressure - Equipment	5076 psi (35000 kPa)
Maximum Pressure - Equipment - Lift Mode	5511 psi (38000 kPa)
Maximum Pressure - Travel	5076 psi (35000 kPa)
Maximum Pressure - Swing	4061 psi (28000 kPa)
Swing Speed	8.1 r/min (8.1 r/min)
Maximum Swing Torque	100308 lb/ft (136 kN·m)
General Forestry	83300 lb (37800 kg)
Log Loader (U/U)	89290 lb (40500 kg)
Fuel Tank	262 gal (US) (990 l)
Cooling System	10 gal (US) (38 l)
Engine Oil	7 gal (US) (25 l)
Swing Drive	4 gal (US) (13.5 l)
Final Drive - Each	3 gal (US) (9.5 l)
Hydraulic System - Including Tank	92 gal (US) (348 l)
Hydraulic Tank	49 gal (US) (185 l)
DEF Tank	11 gal (US) (41 l)
Note (1)	General Forestry
Shipping Height - Tilted Cab	138 in (3500 mm)
Handrail Height	138 in (3500 mm)
Length: General Forestry - Boom Stretched Out	469 in (11920 mm)
Length: Log Loader - Boom Stretched Out	595 in (15120 mm)
Tail Swing Radius	139 in (3530 mm)
Counterweight Clearance	59 in (1500 mm)
Ground Clearance	31 in (800 mm)
Track Length	199 in (5050 mm)
Track Length to Center of Rollers	158 in (4020 mm)
Track Gauge	110 in (2790 mm)
Transport Width	139 in (3530 mm)
Max Reach at Stick Nose at Ground Level - General Forestry Road Builder	395 in (10040 mm)
Max Reach at Grapple Mount on Heel at Ground Level - Log Loader Under/Under	450 in (11440 mm)
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 3.003/3.146 metric tonnes.

Benefits and Features

Latest Features

Cab Monitor Improvements

Continuously improved user interface allows intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.

Identify apps quickly with a grid list view, abbreviated app names, and categorized menu options.
A notification center keeps important information visible to the operator and displays messages without shrinking the camera view.
Color-coded notifications set critical messages apart from the rest.
Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.
Enhance visibility to make service work easier and safer with optional inspection lighting.

Standard integrated vehicle health management system alerts operators with service guidance and parts needed to enhance uptime.

Build Number: 07B

Take the Guesswork Out of Managing Your Equipment

VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer. * Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Dashboards provide information such as hours, miles, location, idle time, and fuel utilization. Make informed decisions that lower costs, simplify maintenance, and improve safety and security on your jobsite.
VisionLink Productivity gathers and summarizes machine telematics and jobsite data from all your equipment – regardless of the manufacture. * View actionable information such as idle time, fuel burn, location, payload, load counts, total cycles, and more to improve machine efficiency, productivity, and utilization. Access data anywhere via a mobile, tablet, or desktop device - on or off the jobsite.
Cat® Inspect is a mobile application that allows you to easily perform digital preventative maintenance (PM) checks, inspections, and daily walkarounds. Inspections can easily be integrated with other Cat data systems like VisionLink so you can keep a close eye on your fleet.
Remote Troubleshoot is a mobile application that allows your Cat dealer to perform diagnostic testing on your connected machine remotely to help resolve issues quickly and with less downtime.
Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.
The Cat PL161 attachment locator allows you to track attachments across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement. The work tool recognition** feature automatically adjusts machine settings based on the selected tool.

* Data field availability can vary by equipment manufacturer.
** Recognition feature available on select excavator models. Consult your Cat dealer for details.

Superior Performance

The Cat® C7.1 TTA engine offers up to 30% more power* and can run on biodiesel and renewable fuels.
Smart mode helps reduce fuel consumption by automatically matching engine and hydraulic power to working conditions.
Pick and place logs with precision and power with the electrohydraulic control system.
Heavy lift mode with up to 30% greater swing torque* helps you confidently move big logs.
Bigger boom cylinders boost Log Loader lift capability by up to 7%.*
Get to work faster with an up to 10% increase in travel speed*.
Auxiliary hydraulic options let you use Cat grapples and various other attachments.
Work in extreme environments with standard high-ambient capability of 52° C (126° F) and cold start capability of -32° C (-25° F).

*All percentages are compared to the 2021 model year 548.

Unmatched Operator Comfort

Operators can choose the rear or side cab entry with up to 25% mores space with a tilt-up console.*
The dual HVAC system keeps operators comfortable in cold and warm weather.
A wider heated and cooled air-suspension seat makes year-round work more pleasant.
All controls are within easy reach to reduce twisting and turning and keep you focused on the work area.
Cab risers — 165 mm (6’1/2”) fixed or 1219 mm (48”) hydraulic tilt — are available to meet your work needs.
Special roof lining and window and door sealing reduce noise, making the interior as quiet as today’s top work trucks.
Stow your gear with in-cab storage beneath, behind the seat, and in the consoles.
Use the standard radio’s USB ports and Bluetooth® technology to connect personal devices and make hands-free calls.

*All percentages compared to 2021 model year 548.

Simple Operation

Cat® continues to improve user interface functionality for operators of all skill levels. The touchscreen monitor is an easy-to-use operating tool that presents the jobsite dashboard with an intuitive format.
The Cat PL161 attachment locator is a Bluetooth device designed to let users know where their attachments are across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement. The PL161 integrates easily into VisionLink® for full fleet management of machines and attachments from one smartphone or tablet dashboard to view location and tracking details.
Navigate quickly on the standard high-resolution 254 mm (10 in) touchscreen monitor.
Make moving the excavator much easier with optional Cat® Stick Steer. Push a button and use one hand to travel and turn instead of both hands or feet on levers or pedals.
Not sure how a function works or how to maintain the machine? Always have the operator’s manual at your fingertips in the touchscreen monitor.
Optional auxiliary relay powers on and turns off CB radios and other attachments without you taking your hands off the joysticks.

Versatile Configurations

General Forestry

The General Forestry model is ideal for road work, grappling, processing, and delimbing.
With a reach boom and quick coupler, you can equip the FM548 with a processor, bucket, thumb, mulcher, and other attachments to get work done quickly and efficiently.
A frontless option allows you to customize the machine to fit your applications.

Log Loader

The log loader configuration is ideal for truck loading, Butt-n-Top loading, power clam applications and millyard work.
An under-mounted heel cylinder provides maximum force for shovel logging with a Cat grapple. A variable displacement pump delivers high-flow rotating capability for heel and log grapples and Power Clam and Butt-n-Top grapples.
An overmounted heel cylinder provides maximum clearance to load trucks and increases lift height for millyard applications.

Rugged, reliable, simple-to-service Cat forestry grapples range in size from 1322 mm (52") to 1524 mm (60").

Easy Maintenance

Boost productivity with proactive service reminders. The Integrated Vehicle Health Management system alerts the operator with step-by-step service guidance and the parts needed so you don't experience unnecessary downtime.
Expect up to 15% less maintenance cost than the previous model. (Savings calculated over 12,000 machine hours.)
The engine’s regeneration system functions automatically with no operator input or interruption to work.
Using Cat® genuine oil and filters and doing typical S∙O∙S monitoring will double the current service interval to 1,000 hours, giving you greater uptime to do more work.
S·O·S ports simplify maintenance and allow for quick, easy extraction of fluid samples for analysis.
The diesel particulate filter requires no maintenance.
Replace fuel filters at 1,000 hours – twice the interval from the previous filters.
The latest hydraulic oil filter provides improved filtration performance, anti-drain valves to keep oil clean when the filter is replaced, and longer life with a 3000-hour replacement interval – 50% longer than previous filter designs.
The high-efficiency cooling fan runs only when needed; program intervals so the fan automatically reverses to keep cores clean without interrupting your work.
Standard Product Link™ provides location, machine hours, fuel usage, productivity, idle time, diagnostic codes, and other machine data on demand through VisionLink online interface, helping you improve jobsite efficiency with lower operating costs.
Remote Troubleshoot** connects you to a dealer service pro to help solve your problem and quickly get you to work.
Remote Flash** works around your schedule to ensure your machine's software is up to date for optimal performance.

*All percentages compared to 2021 model year 548.
**Requires cell coverage.

Enhanced Safety

The cab meets applicable industry standards for ROPS/FOPS/OPG and protects the operator inside the cab.
Access most routine maintenance points at ground level.
The right-hand service platform design provides easy, safe, and quick access to the upper service platform; the service platform steps use an anti-skid punch plate to prevent slipping. The handrails are provided for easy access.
Larger 32 mm (11/4”) polycarbonate front window, smaller cab pillars, and a flat engine hood improve visibility by up to 50%.
Standard rearview camera enhances jobsite visibility; right-hand-sideview cameras are optional.
The monitor’s slope and grade indicator tell you the machine's position to help optimize its performance.
A signaling/warning horn and travel alarm enhance jobsite safety.
Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.

Sustainability

The Cat® C7.1 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Cat 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 (hydrogenated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
Auto Engine Speed Control reduces unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
Extended maintenance intervals reduce downtime and decrease the amount of fluid and filters that are replaced over the machine's life.
Cat® VisionLink displays the CO2 emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.
Remote Flash minimizes downtime and maintenance time while keeping your asset running at maximum efficiency. Alerts for machine updates are sent virtually from your Cat® dealer, and updates can be deployed without a dealer technician needing to be onsite.
Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat® dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).

**Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.