320C FM

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The 320C Forest Machine can be configured for many demanding applications.

Engine and Hydraulics

Increased horsepower and flow maximize your productivity.


320C FM structural components and undercarriage are purpose-built for durability.

Operator Station

Spacious purpose built OPS/FOPS/FOGS/TOPS certified cab with excellent sightlines to the work area.


Forest Machines are designed for flexibility to help bring higher production and efficiency to your jobs.


Heavy Duty link assemblies provide toughness and durability. This track will maximize undercarriage life and minimize operating costs.


Caterpillar guarding helps to extend service life, reduces downtime and helps protect your forestry machine investment.

Serviceability and Customer Support

Simplified service and maintenance features save you time and money.

Caterpillar Grapples

Cat grapples are tough, built for performance and reliability in the woods. High-grade steel is used throughout the grapple. Hydraulics are engineered for maximum protection and reliability, but are easily accessible for routine inspection and service.

320C FM Standard Equipment

Alternator, 50 amp

Automatic engine speed control

Automatic swing brake

Operator Environment
  • Purpose built forestry cab with 7 lights and all scratch resistant polycarbonate windows, ISO 8084 and SAE 1084 certified OPS, ISO 8083 and SAE J231 certified FOPS, ISO 10262 and SAE J1356 certified FOGS, OR-OSHA code 437-007-0775 TOPS and WCB G602/G603/G604/G608 standards.
  • Seat KAB 528P/C, four-way adjustable suspension seat with adjustable armrest, retractable seatbelt and headrest
  • Integrated seat, console and joystick type controls
  • Language display monitor with gauges
  • Warning information, filter/fluid change information, working hour information, machine condition, error code and tool mode setting information, start up level check for hydraulic oil, engine oil and engine coolant
  • Full time clock on monitor (2 weeks)
  • Seat mounted joystick with extra functions for grapple
  • Fixed polycarbonate skylight with retractable sun shade, meeting SAE J1084
  • Interior lighting
  • 4 Front working lights, cab top mounted
  • 2 Front working lights, riser mounted
  • 1 Left side working light, cab mounted
  • Lower and upper windshield wipers and washer
  • Positive filtered ventilation, pressurized cab with bi-level air conditioner, heater and defroster with manual control
  • Forced air fan
  • 2 post mounted fresh air vents
  • Behind seat storage tray with tie down points
  • 2 CB radio mounts
  • 1 Converter/2 sockets – 12V-10A power supply
  • Radio/CD player (12V)
  • 1 Fire extinguisher mount
  • 1 Attachment computer control mount
  • Secondary roof exit, openable from inside and outside
  • 2 Coat hooks
  • Ashtray with lighter
  • Literature holder
  • Cup holder
  • Neutral lever for all controls
  • Travel control pedals with removable hand levers
  • Washable floor mat
  • Horn

Power Train
  • - Cat 3066 T diesel engine with 24-volt electric starting and air intake heater
  • - One-touch low idle
  • - Straight line travel
  • - Swing-out oil cooler
  • - Two speed auto-shift travel
  • - Water separator in fuel line

  • - Heavy-duty swivel guard
  • - 700 mm (28") double grouser shoes
  • - Hydraulic track adjusters
  • - Track-type undercarriage with grease lubricated seals

Other Standard Equipment
  • - Automatic swing parking brake
  • - Auxiliary hydraulic valve (one)
  • - Core hydraulic lines & controls with standard main valves on upper structures
  • - Door locks, cap locks and Caterpillar one-key security system
  • - Heavy-duty upper frame

320C FM Optional Equipment

Booms and sticks:
  • - SA reach
  • - Log loader reel

Bucket linkage:
  • - 320C - B Family

  • - Heavy
  • - Standard

  • - Corner guard, right front

Fine swing control

Full length track shoe support

Hoist cylinder adapter

Hydraulic arrangements:
  • - Rotating grapple
  • - Harvesting head

Starting aid, cold weather

  • - 600 mm (24") double grouser shoes
  • - 700 mm (28") triple grouser shoes
  • - 800 mm (32") triple grouser shoes