320D FM

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Overview

Engine

Units:
Engine Model Cat® C6.4 ACERT™ Cat® C6.4 ACERT™ Less
Net Flywheel Power 157.0 hp 117.0 kW Less
ISO 9249 147.0 hp 110.0 kW Less
J1349 147.0 hp 110.0 kW Less
EEC 80/1269 147.0 hp 110.0 kW Less
Bore 4.02 in 102.0 mm Less
Stroke 5.12 in 130.0 mm Less
Displacement 390.0 in3 6.4 L Less

Weights

General Forestry (HW) 59315.0 lb 26900.0 kg Less
General Forestry (HD/LC) 56228.0 lb 25500.0 kg Less
Log Loader (U/U) 66812.0 lb 30300.0 kg Less

Service Refill Capacities

Fuel Tank 108.3 gal 410.0 L Less
Fuel Tank – Optional Auxiliary Right Front 108.3 gal 410.0 L Less
Maximum Fuel with all Optional Tanks 216.6 gal 820.0 L Less
Cooling System 6.6 gal 25.0 L Less
Engine Oil 7.9 gal 30.0 L Less
Swing Drive 2.1 gal 8.0 L Less
Final Drive (each) - (HW) 3.4 gal 13.0 L Less
Final Drive (each) - (HD/LC) 2.6 gal 10.0 L Less
Hydraulic System (including tank) 68.0 gal 260.0 L Less
Hydraulic Tank 33.0 gal 125.0 L Less

Standards

Brakes SAE J1026 APR90 SAE J1026 APR90 Less
Cab/FOGS/OPS/TOPS/FOPS SAE J1356 FEB88 ISO 10262/SAE J1084/ISO 8084/OR-OSHA 437-007-0775/WCB G602, G603, G604, G608 SAE J1356 FEB88 ISO 10262/SAE J1084/ISO 8084/OR-OSHA 437-007-0775/WCB G602, G603, G604, G608 Less

Hydraulic System

Main Implement System – Maximum Flow (2x) 54.2 gal/min 205.0 L/min Less
Maximum Pressure – Implements 5075.0 psi 35000.0 kPa Less
Max. pressure – Travel 5075.0 psi 35000.0 kPa Less
Max. pressure – Swing 3625.0 psi 25000.0 kPa Less
Pilot System – Maximum Flow 11.0 gal/min 42.0 L/min Less
Pilot System – Maximum Pressure 600.0 psi 4120.0 kPa Less
Boom Cylinder – Bore 4.7 in 120.0 mm Less
Boom Cylinder – Stroke 49.6 in 1260.0 mm Less
Stick Cylinder – Bore 5.5 in 140.0 mm Less
Stick Cylinder – Stroke 59.3 in 1500.0 mm Less

Excavator Linkage

Boom Cylinder - Bore 4.7 in 120.0 mm Less
Boom Cylinder - Stroke 49.6 in 1260.0 mm Less
Stick Cylinder - Bore 5.5 in 140.0 mm Less
Stick Cylinder - Stroke 59.3 in 1500.0 mm Less
B1 Family Bucket Cylinder - Bore 4.7 in 120.0 mm Less
B1 Family Bucket Cylinder - Stroke 43.3 in 1100.0 mm Less

Log Loader Linkage

Boom Cylinder – Bore 5.5 in 140.0 mm Less
Boom Cylinder – Stroke 45.7 in 1160.0 mm Less
Stick Cylinder – Bore 5.9 in 150.0 mm Less
Stick Cylinder – Stroke 57.9 in 1470.0 mm Less
Under/Under Heel Cylinder – Bore 5.1 in 130.0 mm Less
Under/Under Heel Cylinder – Stroke 45.5 in 1156.0 mm Less

Drive

Maximum Travel Speed (HD/LC) 3.3 mph 5.3 km/h Less
Maximum Drawbar Pull (HD/LC) 42264.0 lb 188.0 kN Less
Maximum Travel Speed (HW) 2.6 mph 4.3 km/h Less
Maximum Drawbar Pull (HW) 55700.0 lb 248.0 kN Less

Swing Mechanism

Swing Torque – General Forestry 45611.0 lb ft 61.8 kN·m Less
Swing Speed – General Forestry 11.5 RPM 11.5 RPM Less

Power Train

The Cat® C6.4 has exceptional power and fuel efficiency unmatched in the industry for consistently high performance in both forestry and millyard applications.


Hydraulics

Cat® hydraulics provide the power and control needed for a variety of applications.


Operator Comfort

The purpose built forestry cab interior layout maximizes operator space, provides exceptional comfort, provides excellent sightlines and reduces operator fatigue.


Structures

Purpose-built forest applications with reinforced carbody, rugged swing bearing, heavy doors and extra guarding.


Guarding

Caterpillar guarding protects your forestry machine investment.


Undercarriage

Durable undercarriage absorbs stresses and provides excellent stability.


Versatility

A wide selection of Forest Machine configurations meet diverse forestry applications and improve your productivity.


Caterpillar Grapples

Caterpillar Forest Machines combined with Cat Log Loading Grapples mean optimal performance, reliability and on-the-job productivity.


Owning and Operating Costs

Caterpillar Forest Machines provide the best value for your forestry and millyard applications.


Serviceability

Simplified service and maintenance features save you time and money.


Customer Focus

Caterpillar dealer services help you operate longer with lower costs.


320D FM Standard Equipment

Electrical
  • 80 Ampere alternator
  • 4 Front working lights, cab top mounted
  • 2 Front working lights, riser mounted
  • 1 Left side working light, cab mounted
  • 1 Rear working light, cab mounted
  • Horn

Operator Environment
  • Purpose built forestry cab with 8 lights and all scratch resistant polycarbonate windows
  • Seat, four-way adjustable suspension seat with adjustable armrest, retractable seatbelt, headrest and lumbar support
  • 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
  • Interior lighting
  • 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 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
  • Radio/CD player (12V)
  • 1 Converter/2 sockets - 12V-10A power supply

Power Train
  • CAT C6.4 with ACERT™ Technology U.S. EPA Tier 3 emissions compliant with 24-volt electric starting and air intake heater
  • Automatic engine speed control with one touch low idle
  • Easy clean swing-out condenser
  • Easy clean swing out radiator
  • Muffler
  • Two speed auto-shift travel
  • Water separator in fuel line

Undercarriage
  • Hydraulic track adjusters
  • Track type undercarriage with grease lubricated seals
  • Idler and full-length track shoe support

Other Standard Equipment
  • Heavy-duty upper frame with catwalks, bottom guards, heavy duty side doors
  • Core hydraulic lines and controls with standard main valves on upper structures
  • Door locks, cap locks and Caterpillar one key security system
  • Automatic swing parking brake
  • Travel alarm
  • Counterweight with lifting eye
  • Right front corner guard

320D FM General Forestry Arrangement also includes:
  • Forestry cab, hydraulic tilt 18" riser
  • High-wide undercarriage or heavy-duty long undercarriage
  • Heavy-Duty recoil springs
  • Heavy-Duty track roller frame
  • Heavy-Duty travel motor covers
  • Heavy-Duty swivel guard
  • Forestry Heavy-Duty upper frame with catwalk
  • Heavy-Duty bottom guard
  • Heavy-Duty side doors
  • Right front corner guard
  • Travel alarm

320D FM Log Loader Arrangement also includes:
  • Forestry cab
  • Hydraulic tilt 48" riser
  • High-wide undercarriage
  • Heavy-Duty recoil springs
  • Heavy-Duty track roller frame
  • Heavy-Duty travel motor covers
  • Grapple/rotator hydraulic arrangement
  • Heavy-Duty swivel guard
  • Forestry Heavy-Duty upper frame with catwalk
  • Heavy-Duty bottom guard
  • Heavy-Duty side doors
  • Right front corner guard
  • Travel alarm

320D FM Optional Equipment

Front Linkage: General Forestry
  • Reach Boom 5.7m (18 ft 8 in)
  • Reach Stick 2.9m (9 ft 6 in)
  • Reach Stick 2.9m (9 ft 6 in), Harvester
  • Bucket Linkage CB1 Family
  • Boom Lowering Control Device

Hydraulic Packages: General Forestry
  • Rotating Grapple
  • Harvesting Head
  • Thuumb

Auxiliary Hydraulic Lines: General Forestry
  • Auxiliary lines HP & MP, Reach Boom
  • Auxiliary lines HP & MP, Reach Stick

Engine/Power Train
  • Auto Reverse Fan
  • Prefilter, air
  • Cold Weather Starting Aid
  • Extended life Cooling with 50% Concentration -34°C (-30°F)

Undercarriage (Track shoes)
  • 600 mm (24 in) Double Grouser Shoes with Trap Holes
  • 700 mm (28 in) Heavy-Duty Double Grouser Shoes with Trap Holes
  • 700 mm (28 in) Heavy-Duty Triple Grouser Shoes with Trap Holes
  • 800 mm (32 in) Heavy-Duty Triple Grouser Shoes with Trap Holes (For HW U/C only)

Electrical
  • Product link (PL 321 SR)
  • Maintenance Service lights for Pump and Battery Comparment
  • Working HID Lights for Boom

General Optional Equipment
  • Auxiliary Pump Driver (for additional hydraulic pump)
  • Adapter boom foot (for harvester configuration
  • Pump, Electrical Refueling
  • Pump, Vacuum (Hydrualic)
  • Rubber Guard for Boom Foot
  • Right Front Corner Fuel Tank(additional 409 L (108 gal))
  • Heavy Counterweight (Additional 1970 kg - (4,344 lb)) For General Forestry (Standard on Log Loader)

Front Linkage: Log Loader
  • Under/Under Boom/Stick/Heel Linkage
  • Stick Cylinder Guard
  • Heel, Log Loader

For General Forestry
  • Ground Saw Slasher

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