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The Cat® FM528 forest machine offers a fixed heel or live heel and blade for versatile application. Includes a processor, roadbuilder, log loader and knckleboom loader.
New

Forest Machines FM528 GF/FM528 LL Tier 4 / Stage V


Key Specs

Engine Model
Cat C4.4
Cat C4.4
Net Power - ISO 9249
170 hp
127 kW
Engine Power - ISO 14396
173 hp
129 kW

Overview

Compact Versatility for Clearing and Timber Work

The Cat® FM528 handles clearing, mulching, and timber with stability and comfort. VisionLink™ and Cat forestry tools boost uptime, backed by dealer service and parts support.

Benefits

Built for Operators

Certified forestry cab with wide visibility and fatigue-reducing comfort helps you stay sharp in tough woods work.

Multiple Configurations

From log loading to mulching, Cat attachments adapt the FM528 to multiple forestry applications with ease

Low Owning and Operating Costs

Efficient hydraulics, long-life filters, and dealer support keep downtime low and profits high.

Features At A Glance

Displaying 1-6 of 10

Latest Features

Latest Features

        
  • Bluetooth connectivity allows pairing mobile phone or other bluetooth device to the cab monitor and sound system.
  •     
  • Pitch and roll indicator displays the machines fore and aft position and side to side position.
  •     
  • Configuration setup for auxiliary is a breeze with assigning functions on the Cat® control handles such as radio mute, call answer, and wiper control.

Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area. Build Number: 07H
Take the Guesswork Out of Managing Your Equipment

Take the Guesswork Out of Managing Your Equipment

        
  • The latest operator oriented User Interface (UI) has been designed to maximize uptime by allowing operators to easily reorder work tool lists and quickly create new work tool combinations makes it manageable for a single person to check and adjust for bucket wear. 
  •     
  • 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. Equipment management features provide up-to-date asset tracking of your entire fleet. You can track asset location, operating hours, fuel level, health issues, and overall utilization. Monitor equipment health with fault codes, fluid analysis, and inspection due dates. It's all about making informed, data-based decisions to help reduce operating costs. 
  •     
  • 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

Superior Performance

        
  • The Cat C4.4 173 hp (129 kW) engine and electrohydraulic system help drive fuel reduction and enable high-performance responses within the system to optimize operations.
  •     
  • This high-torque motor provides high power at low RPMs, minimizes downtime, reduces maintenance costs, and increases job site precision.
  •     
  • The efficient engine and hydraulic system cooling E-Fans with reversing function help remove debris, improve engine efficiency, and accurately control temperatures.
  •     
  • The e-fans provide greater coverage, so the air flows evenly over the radiator and charges the air cooler.
  •     
  • Long-life fuel and hydraulic oil filters with extended service intervals work well with the FM528’s extended service and maintenance intervals.
  •     
  • Shares common parts and services with Cat Next Generation Excavators, reducing downtime with more readily available parts.
  •     
  • Support of a world-class dealer network backed by a range of flexible solutions, technology, tools, and more.
Unmatched Operator Comfort

Unmatched Operator Comfort

        
  • Next Generation Certified Forestry ROPS side-entry cab is engineered for operator safety and features a wide door and a tilt-up armrest.
  •     
  • 32mm (1.25”) polycarbonate front safety window and smaller cab pillars enhance jobsite and work task visibility.
  •     
  • The dual HVAC system keeps operators comfortable in cold and warm weather.
  •     
  • A wide 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 (6.5") fixed or 1219 mm (48”) hydraulic tilt — are available to meet your work needs.
  •     
  • 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.
Simple Operation

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.
  •     
  • Start the engine with a push button or use a Bluetooth key fob or the unique Operator ID function.
  •     
  • Navigate quickly on the optional high-resolution 203 mm (8 in) or 254 mm (10 in) touchscreen monitor.
  •     
  • Make moving the excavator much easier with the 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

Versatile Configurations

        
  • A handy addition to any fleet, the FM528 is the first Cat Forest machine to offer a fixed or live heel and blade option for versatile application.
  •     
  • This multi-configuration machine includes a processor, roadbuilder, log loader, and provides optional knuckle boom controls. It can go to work in the woods or the millyard to boost productivity and profitability.
  •     
  • The optional narrow, high, long undercarriage allows easy transport and in-woods travel between worksites and improves productivity.
  •     
  • General Forestry
        
  1. The General Forestry model is ideal for road work, grappling, processing, and delimbing.
  2.     
  3. With a reach boom and quick coupler, you can equip the FM568 with a processor, bucket, thumb, mulcher, and other attachments to get work done quickly and efficiently.
  4.     
  5. A frontless option allows you to customize the machine to fit your applications.
        
  • Log Loader
        
  1. The log loader configuration is ideal for truck loading, Butt-n-Top loading, power clam applications, and millyard work.
  2.     
  3. 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.
  4.     
  5. An overmounted heel cylinder provides maximum clearance to load trucks and increases lift height for millyard applications.
  6.     
  7. The optional fixed heel log loader with integrated drop nose stick effectively extends your reach from a stationary point, allowing the operator to lift logs without needing to move the machine.
        
  • Rugged, reliable, simple-to-service Cat forestry grapples range in size from 1322 mm (52") to 1524 mm (60").
  •     
  • Triple grouser shoes are available to provide high maneuverability while minimizing disturbance in soft, wet underfoot conditions.

Product Specifications for FM528 GF/FM528 LL

Engine Model Cat C4.4 Cat C4.4
Net Power - ISO 9249 170 hp 127 kW
Engine Power - ISO 14396 173 hp 129 kW
Net Power - ISO 9249 (DIN) 173 hp (metric) 173 hp (metric)
Engine Power - ISO 14396 (DIN) 175 hp (metric) 175 hp (metric)
Bore 4 in 105 mm
Stroke 5 in 127 mm
Displacement 269 in³ 4.4 l
Biodiesel Capability B20¹ B20¹
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 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 manufacture. 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 manufacture.
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% 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. *While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). 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% 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. *While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).
Maximum Travel Speed 3.5 mile/h 5.7 km/h
Maximum Drawbar Pull 45,187 lbf 201 kN
Main System - Maximum Flow 113 gpm 429 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 3989 psi 27500 kPa
Swing Speed 11 r/min 11 r/min
Maximum Swing Torque 60,480 lbf·ft 82 kN·m
General Forestry 59,700 lb 27100 kg
Note (1) High long undercarriage (High LC), 165 mm (6.5") fixed riser side entry cab (SEC) 5.7 m (18'7") reach boom, R3.7 m (12’2”) drop nose stick, 700 mm (28”) double grouser (DG) shoes, no processor head High long undercarriage (High LC), 165 mm (6.5") fixed riser side entry cab (SEC) 5.7 m (18'7") reach boom, R3.7 m (12’2”) drop nose stick, 700 mm (28”) double grouser (DG) shoes, no processor head
Log Loader (U/U) 63,300 lb 28700 kg
Note (2) High LC, 1219 mm (48") tilting riser SEC, 5.9 m (19’6”) straight boom, 3.5m (11'6") u/u stick with live heel, 700mm (28") double grouser (DG) shoes, no grapple High LC, 1219 mm (48") tilting riser SEC, 5.9 m (19’6”) straight boom, 3.5m (11'6") u/u stick with live heel, 700mm (28") double grouser (DG) shoes, no grapple
Forestry Road Builder 62,170 lb 28200 kg
Note (3) High LC, 165 mm (6.5”) fixed riser SEC, 5.7 m (18'7") reach boom, R2.9 (9'7") thumb ready stick, 700mm (28") double grouser shoes, 1.2 m³ (1.6 yd³) HD bucket. High LC, 165 mm (6.5”) fixed riser SEC, 5.7 m (18'7") reach boom, R2.9 (9'7") thumb ready stick, 700mm (28") double grouser shoes, 1.2 m³ (1.6 yd³) HD bucket.
Log Loader (MH Stick) 63,050 lb 28600 kg
Note (4) High LC, 1219 mm (48") tilting riser SEC, 5.9 m (19’6”) Straight boom, 5.8 m (19') drop nose log loader stick, 700mm (28") double grouser shoes, no grapple High LC, 1219 mm (48") tilting riser SEC, 5.9 m (19’6”) Straight boom, 5.8 m (19') drop nose log loader stick, 700mm (28") double grouser shoes, no grapple
Fuel Tank 91.1 gal (US) 345 l
Cooling System 6.6 gal (US) 25 l
Engine Oil 4 gal (US) 15 l
Swing Drive 1.3 gal (US) 5 l
Final Drive - Each 1.3 gal (US) 5 l
Hydraulic System - Including Tank 65.6 gal (US) 248 l
Hydraulic Tank 34.1 gal (US) 129 l
DEF Tank 6.9 gal (US) 26 l
Note (1) General Forestry configuration with High LC, SEC with 165 mm (6.5") fixed riser, 5.7 m (18'7") Reach boom, 2.8 m (9'7") Thumb ready stick, 700 mm (28") double grouser (DG) shoes General Forestry configuration with High LC, SEC with 165 mm (6.5") fixed riser, 5.7 m (18'7") Reach boom, 2.8 m (9'7") Thumb ready stick, 700 mm (28") double grouser (DG) shoes
Shipping Height - Tilted Cab 11.3 ft 3420 mm
Handrail Height 9.8 ft 2990 mm
Length: General Forestry - Boom Stretched Out 38.3 ft 11690 mm
Length: Log Loader - Boom Stretched Out 44.1 ft 13430 mm
Tail Swing Radius 9.3 ft 2830 mm
Counterweight Clearance 3.4 ft 1040 mm
Ground Clearance for Standard Undercarriage 1.4 ft 435 mm
Ground Clearance for High Undercarriage 2 ft 610 mm
Track Length 14.7 ft 4460 mm
Track Length to Center of Rollers 11.9 ft 3620 mm
Track Gauge 7.8 ft 2380 mm
Transport Width 11 ft 3350 mm
Max Reach at Stick Nose at Ground Level - General Forestry Road Builder 32.3 ft 9830 mm
Max Reach at Grapple Mount on Heel at Ground Level - Log Loader Under/Under 36 ft 10970 mm
Max Reach at Stick Nose at Ground Level - General Forestry Processor 29.1 ft 8860 mm
Max Reach at Stick Nose at Ground Level – Log Loader MH Stick 38.1 ft 11620 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. 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.

FM528 GF/FM528 LL Standard Equipment

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
  • 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

CAT TECHNOLOGIES

  • VisionLink™
  • Remote Flash
  • Remote Troubleshoot

ELECTRICAL SYSTEM

  • Maintenance-free 1000 CCA batteries (x4)
  • Centralized electrical disconnect switch
  • 200-amp alternator
  • 24-volt electric starting
  • Pre-start monitoring system
  • Horn and travel alarm
  • Tool control software
  • Secondary engine shut off switch

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
  • 48° C (118° 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 warm up
  • Automatic swing parking brake
  • High performance hydraulic return filter
  • Automatic two speed travel
  • Bio hydraulic oil capability
  • Swing cushion valve
  • Tool control software
  • Tandem type electronic main pump
  • Fully pressurized hydraulic system

SAFETY AND SECURITY

  • Caterpillar One Key security system
  • Lockable service doors
  • Lockable fuel cap and hydraulic tank
  • Right-hand rail and hand hold
  • Signaling/warning horn
  • Ground-level secondary engine shutoff switch
  • Reaview camera
  • Hydraulic lock out lever

SERVICE AND MAINTENANCE

  • Side-entry service platform
  • Grouped location for engine oil and fuel filters
  • Ground level dipstick for engine oil
  • Scheduled Oil Sampling (S·O·S℠) ports

UNDERCARRIAGE AND STRUCTURES

  • Tie down points
  • Heavy-duty travel motor guards
  • Heavy-duty bottom guards
  • Full length track guiding guards
  • Heavy-duty recoil springs
  • Heavy-duty hydraulic swivel guard
  • Straddle mounted carrier rollers

FM528 GF/FM528 LL Optional Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

BOOMS AND STICKS

  • 5.7 m (18'7") Reach boom
  • 5.9 m (19'6") Straight boom
  • 2.9 m (9'6") Thumb-ready stick
  • 3.7 m (12'2") Drop Nose stick
  • 3.5 m (11'6") Under/Under stick
  • 3.8 m (12'6") Over/Under stick
  • 5.8 m (19'2") MH stick

CAB

  • Side entry with 165 mm (6.5") fixed riser
  • Side entry 1219 mm (48") tilting riser
  • High-resolution touchscreen monitor 203 mm (8")
  • High-resolution touchscreen monitor 254 mm (10")
  • CB radio mounts
  • Rear sunshade

ELECTRICAL SYSTEM

  • Premium lighting - General Forestry - 6 additional LED lights
  • Premium lighting - Log Loader - 10 additional LED lights

ENGINE

  • Cold start package with block heaters and ether assist

HYDRAULIC SYSTEM

  • Medium pressure circuit

SAFETY AND SECURITY

  • Storage tray in pump room
  • Right-hand sideview camera

UNDERCARRIAGE AND STRUCTURES

  • Severe Duty - Long undercarriage
  • High - Long undercarriage (with 7.5" pitch)
  • Catwalks
  • 600 mm (24 in) Double grouser shoes, for High-LC (D5 type link)
  • 700 mm (28 in) Triple and Double grouser shoes, for High-LC (D5 type link)
  • 700 mm (28 in) Triple and Double grouser shoes, for SD-LC (326 track link)
  • 760 mm (30 in) Triple grouser shoes, for High-LC (D5 type link)
  • 2980 mm (9'9") blade
  • 3170 mm (10'5") blade

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

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Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

Explore Technology

Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

Explore Technology

VisionLink™ is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

Explore Technology

See how FM528 GF/FM528 LL compares against frequently compared products.

Use the comparison tool to compare detailed specs of Cat and competitor models.

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