320D FM Forest Machine

The D-Series Forest Machines are powered with ACERT® Technology and Caterpillar quality from undercarriage to grapple. These rugged, state-of-the-art forest machines provide both reliability and durability for the most demanding logging environments.

Power Train


The Cat® C6.4 with ACERT„¢ Technology gives the 320D FM exceptional power and fuel efficiency unmatched in the industry. The C6.4 meets U.S. EPA Tier 3 emissions requirements.

Cat C6.4 ACERT„¢


Performance


Automatic Engine Speed Control


ADEM„¢ A4 Engine Controller


Electronic Control Module


Fuel Delivery


Cooling System


Air Cleaner


Noise Reduction Technologies


Hydraulics


Forest Machine hydraulic systems are designed to provide reliability, outstanding controllability and proven performance in various forestry applications.

Component Layout


Pilot System


Hydraulic Cross Sensing System


Boom and Stick Regeneration Circuit


Fine Swing Control


Controllability


Auxiliary hydraulic Valve


Hydraulic Cylinder Snubbers


Operator Comfort


Spacious forestry cab with excellent sightlines to the work area with 8 lights and all scratch resistant polycarbonate windows.

Operator Station


Monitor


Pre-Start Check


Gage Display


Event Display


Multi-Information Display


Seat


Joystick Control


Hydraulic Activation Control Lever


Console


Skylight


Viewing


Structures


Purpose-built carbody design uses the most advanced manufacturing processes, ensuring durability and reliability in the most rugged forestry applications.

Rugged main frame design maximises durability


Carbody Design


Carbody Structure


Guarding


Factory cab guarding, shoe support guards and heavy-duty access doors help extend component life, reduces downtime and helps protect your forestry machine investment.

Shoe Support Guards


Factory Forestry Cab


Heavy-Duty Access Doors


Undercarriage


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

Heavy-Duty Top Rollers


Heavy-Duty Track Rollers


Heavy-Duty Grease Lubricated Track


1) Grease Lubricated Track


2) 10% Larger Bushing Diameter


3) Greased Pin and Larger Bushing Combined


4) 15% Increase in Link Height


5) 36% Wider Bushing Strap


6) Unique Pin Retention System


Versatility


Designed and purpose-built to meet diverse forestry applications, the 324D FM can help improve productivity in various forestry and millyard applications.

The Caterpillar Log Loader is Purpose


The Caterpillar Heel-Type Loader Arrangements


Caterpillar Roadbuilders


Applications Include


The Caterpillar 320D FM Delimber Carrier


Caterpillar Grapples


Cat Log Loading Grapples combined with Cat Forest Machines make the 320D FM flexible, versatile and efficient, allowing you to maximize productivity on your forestry job.

Cat 360 Degree Continuous Rotating Log Loader Grapples


360-Degree Continous Rotation


Hydraulic Cylinders


Legs


Pin


Serviceability


Owning and Operating Costs


Proven fuel efficiency combined with easier access and extended service intervals maximize uptime, reduce operating costs and maximize productivity.

ACERT„¢ Technology Fuel Economy


Radiator Compartment


Serviceability


The new FM cooling package provides easy access to all radiator cores for faster cleanouts. Regularly scheduled maintenance extends machine service life and lowers overall operating costs.

Ground Level Service


Air Filter Compartment


Radiator Compartment


Grease Lubricated Track


Capsule Filter


Fan Guard


Anti-Skid Plate


Diagnostics and Montoring


Extended Service Interval


Customer Focus


Your Cat dealer can offer a wide range of services and plans to meet your equipment needs including machine and attachment selection to replacement.

Product Support


Machine Selection


Customer Support Agreements


Operation


Maintenance Services


Engine

Engine Model

Cat® C6.4 ACERT™

Net Flywheel Power

157 hp

ISO 9249

147 hp

J1349

147 hp

EEC 80/1269

147 hp

Bore

4.02 in

Stroke

5.12 in

Displacement

390 in3

Weights

General Forestry (HW)

59315 lb

General Forestry (HD/LC)

56228 lb

Log Loader (U/U)

66812 lb

Swing Mechanism

Swing Torque - General Forestry

45611 lb ft

Swing Speed - General Forestry

11.5 RPM

Service Refill Capacities

Fuel Tank

108.3 gal

Fuel Tank - Optional Auxiliary Right Front

108.3 gal

Maximum Fuel with all Optional Tanks

216.6 gal

Cooling System

6.6 gal

Engine Oil

7.9 gal

Swing Drive

2.1 gal

Final Drive (each) - (HW)

3.4 gal

Final Drive (each) - (HD/LC)

2.6 gal

Hydraulic System (including tank)

68 gal

Hydraulic Tank

33 gal

Hydraulic System

Main Implement System - Maximum Flow (2x)

54.2 gal/min

Max. pressure - Implements

5075 psi

Max. pressure - Travel

5075 psi

Max. pressure - Swing

3625 psi

Pilot System - Maximum flow

11 gal/min

Pilot System - Maximum pressure

600 psi

Boom Cylinder - Bore

4.7 in

Boom Cylinder - Stroke

49.6 in

Stick Cylinder - Bore

5.5 in

Stick Cylinder - Stroke

59.3 in

Excavator Linkage

Boom Cylinder - Bore

4.7 in

Boom Cylinder - Stroke

49.6 in

Stick Cylinder - Bore

5.5 in

Stick Cylinder - Stroke

59.3 in

B1 Family Bucket Cylinder - Bore

4.7 in

B1 Family Bucket Cylinder - Stroke

43.3 in

Log Loader Linkage

Boom Cylinder - Bore

5.5 in

Boom Cylinder - Stroke

45.7 in

Stick Cylinder - Bore

5.9 in

Stick Cylinder - Stroke

57.9 in

Under/Under Heel Cylinder - Bore

5.1 in

Under/Under Heel Cylinder - Stroke

45.5 in

Drive

Maximum Travel Speed (HD/LC)

3.3 mph

Maximum Drawbar Pull (HD/LC)

42264 lb

Maximum Travel Speed (HW)

2.6 mph

Maximum Drawbar Pull (HW)

55700 lb

Store Locations

Columbus, MS
Full Service Location

Greenwood, MS
Full Service Location

Tupelo, MS
Full Service Location

Tupelo , MS
CAT Rental Store

Memphis, TN
Regional Headquarters

Nashville (LaVergne), TN
Corporate Headquarters

Camden, TN
Full Service Location

Clarksville, TN
Full Service Location

Cookeville, TN
Full Service Location

Jackson, TN
Full Service Location

Manchester, TN
Full Service Location

Nashville (LaVergne), TN
CAT Rental Store

Memphis , TN
CAT Rental Store

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