Cat® Next Generation 558 Forestry Machine: Make Woods Work Productive, Profitable, And Pleasant Cat® Next Generation 558 Forestry Machine: Make Woods Work Productive, Profitable, And Pleasant
Cat® 558 Next Gen Is Operator's New Favorite Cat® 558 Next Gen Is Operator's New Favorite
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Engine ModelCat C7.1
Net Power - ISO 9249298 HP (222 kW)
Engine Power - ISO 14396302 HP (225 kW)
Bore4.13 in (115 mm)
Put the new 558 next generation forest machine to work and experience superior performance, exceptional comfort and safety,
and extraordinary bottom-line results.


Engine ModelCat C7.1
Net Power - ISO 9249298 HP (222 kW)
Engine Power - ISO 14396302 HP (225 kW)
Bore4.13 in (115 mm)
Stroke5.31 in (135 mm)
Displacement433.3 r/min (7.1 r/min)
Maximum Travel Speed2.8 mile/h (4.4 km/h)
Maximum Drawbar Pull78638 lbf (350 kN)
Main System - Maximum Flow142 gal/min (538 l/min)
Maximum Pressure - Equipment5076 psi (35000 kPa)
Maximum Pressure - Equipment - Lift Mode5511 psi (38000 kPa)
Maximum Pressure - Travel5076 psi (35000 kPa)
Maximum Pressure - Swing3945 psi (27200 kPa)
Swing Speed7.4 r/min (7.4 r/min)
Maximum Swing Torque113584 lb/ft (154 kN·m)
General Forestry91490 lb (41500 kg)
Log Loader (U/U)98550 lb (44700 kg)
Fuel Tank262 gal (US) (990 l)
Cooling System10 gal (US) (38 l)
Engine Oil7 gal (US) (25 l)
Swing Drive4 gal (US) (13.5 l)
Final Drive - Each3 gal (US) (9.5 l)
Hydraulic System - Including Tank92 gal (US) (348 l)
Hydraulic Tank49 gal (US) (185 l)
DEF Tank11 gal (US) (41 l)
Max Reach at Stick Nose at Ground Level - General Forestry Road Builder418 in (10620 mm)
Max Reach at Grapple Mount on Heel at Ground Level - Log Loader Under/Under472 in (11980 mm)
Shipping Height - Tilted Cab148 in (3760 mm)
Note (1)General Forestry
Handrail Height138 in (3510 mm)
Length: General Forestry - Boom Stretched Out554 in (14060 mm)
Length: Log Loader - Boom Stretched Out619 in (15730 mm)
Tail Swing Radius139 in (3530 mm)
Counterweight Clearance60 in (1520 mm)
Ground Clearance30 in (770 mm)
Track Length203 in (5160 mm)
Track Length to Center of Rollers162 in (4120 mm)
Track Gauge115 in (2920 mm)
Transport Width144 in (3650 mm)

Benefits and Features

  • The Cat® C7.1 engine offers 25 percent 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 all-new electrohydraulic control system.
  • Heavy lift mode and 30 percent more swing torque* help you move big logs with confidence.
  • Cover ground faster than ever with 15 percent more travel power*.
  • Auxiliary hydraulic options let you use Cat grapples and a variety of 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 compared to 2021 model year 558.

  • Forestry cab comes in a choice of rear entry or side entry with tilt-up console plus 25 percent more space*.
  • New dual HVAC system keeps operators comfortable in either cold or warm weather.
  • A wide heated and cooled air-suspension seat makes year-round work more pleasant.
  • All controls are in front of you within easy reach to reduce twisting and turning and keep you focused on the work area.
  • Tilting cab risers – 559 mm (22"), 1219 mm (48”), and 1829 mm (72") – are available to help keep you on top of the work.
  • Stow your gear with in-cab storage 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 558.

  • Start the engine with a push button; use a Bluetooth key fob or the unique Operator ID function.
  • Use Operator ID to quickly program your attachment functions, joystick response, and engine power mode; it will remember your settings each time you go to work.
  • Make operating easier with the touch of a joystick button. An additional auxiliary relay allows you to power on or turn off a CB radio or other attachments without taking your hands off the joysticks.
  • Make moving the machine much easier with optional Cat Stick Steer. Simply push a button and use one hand to travel and turn instead of both hands or feet on levers and pedals.
  • The engine’s regeneration system functions automatically with no operator input or interruption to work.
  • Navigate easily on the high-resolution touchscreen monitor.
  • The available Cat PL161 attachment locator helps you find tools you need up to a range of 60 m (200') – even if it’s hidden beneath overgrowth or debris.
  • 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.

  • General Forestry configuration is available with several boom, stick, and hydraulic options so you can equip it for road building, grapple work, or processing.
  • Log Loader configuration is ideal for shovel logging, Butt-n-Top loading, power clam applications, and millyard work.
  • Rugged, reliable, simple-to-service Cat forestry grapples range in size from 1320 mm (52”) to 1524 mm (60”).

  • Expect up to 15 percent less maintenance cost and 50 fewer replacement filters compared to the previous model*. (Savings calculated over 12,000 machine hours.)
  • The diesel particulate filter requires no maintenance.
  • Replace fuel filters at 1,000 hours – twice the interval from the previous filters.
  • Get improved filtration and longer 3,000 hour service life with the new hydraulic oil return filter – 50 percent longer service than previous filter design.
  • Boost productivity with proactive service reminders. The new integrated vehicle health management system simultaneously alerts the operator and fleet manager with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.
  • The high-efficiency cooling fan runs only when needed; program intervals so the fan automatically reverses to keep cores clean without interrupting your work.
  • S·O·SSM ports simplify maintenance and allow for quick, easy extraction of fluid samples for analysis.
  • 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 scheduled to ensure your machine's software is up to date for optimal performance.
*All percentages compared to 2021 model year 558.
**Requires cell coverage.

  • The cab meets the following standards: ROPS/FOPS/OPS/TOPS,ISO 8082-2:2011, ISO 8083:2006 11,600J,ISO 10262:1998 Level II, ISO 8084:2003,SAE J1356 MAR2013, WCB G603 March 1990, and OR-OSHA 437-007-775(14).
  • With a flip of a switch, the new Cat easy lock cab riser system on the rear-entry Log Loader with 1219 mm (48") and 1829 mm (72") tilting risers makes tilting the cab for transport simple and safe without the use of hand tools. A light option enhances visibility inside the entire riser compartment.
  • Access most routine maintenance points at ground level.
  • New right-hand steps provide easy, safe, and quick access to upper service platform; the steps and service platform use anti-skid punch plate to prevent slipping.
  • Larger 32 mm (11/4” ) polycarbonate front window, smaller cab pillars, and a flat engine hood improve visibility by 50 percent*.
  • Standard rearview camera enhances jobsite visibility; sideview camera is optional.
  • The monitor's slope and grade indicator shows you the machine's position so you can optimize its performance.
  • Add an optional swing alarm to alert people when you're rotating the machine.
*All percentages compared to 2021 model year 558.

Standard Equipment

  • 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 Product Link
  • Remote Services capability
  • Maintenance-free 1000 CCA batteries (x4)
  • Centralized electrical disconnect switch
  • LED chassis, boom (GF), stick (LL) and cab lights
  • Electric fuel priming pump
  • Three selectable modes: Power, Smart, Eco
  • Automatic engine speed control
  • Automatic engine idle shutdown
  • Up to 4500m (14,764 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 fuel caps and hydraulic tank
  • Service platforms with anti-skid plate and countersunk bolts
  • RH handrail and handhold
  • Signaling/warning horn
  • Ground-level secondary engine shutoff switch
  • Rearview camera
  • Travel alarm
  • Side-entry service platform
  • Left/right-side fuel fill locations
  • Grouped location for engine oil and fuel filters
  • S·O·S sampling ports
  • High Wide undercarriage
  • Grease lubricated track with positive pin retention
  • Catwalks
  • Tie down points
  • Counterweight fuel tank
  • Heavy-duty track rollers
  • 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

Optional Equipment

  • 6.15 m (20'2") Reach boom - General Forestry
  • 6.08 m (22'4") boom - Log Loader
  • 3.2 m (10'6") Reach stick
  • 4.05 m (13'3") over/under stick
  • 4.05 m (13'3") under/under
  • 4.35 m (14'3") power clam
  • Rear entry
  • Side entry
  • 559 mm (22") tilting riser
  • 1219 mm (48") tilting riser
  • 1829 mm (72") tilting riser
  • CB radio mounts
  • Cat Stick Steer
  • Auxiliary relay
  • Premium lighting - General Forestry - 6 additional LED lights
  • Premium lighting - Log Loader - 10 additional LED lights
  • Cold start package with block heater and ether assist
  • Medium pressure circuit
  • Easy lock cab tilting system (rear-entry cab only)
  • Cab riser light
  • Inspection lighting
  • Right-hand sideview camera
  • Swing alarm
  • Integrated vehicle health management system
  • 850 mm (33") triple grouser shoes
  • 700 mm (28") double and single grouser shoes