320D RR/320D L RR

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3.59% p.a. over 60 months competitive finance
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The D Series incorporates innovations for improved performance and versatility.


Engine Model Cat® 3066TA Cat® 3066TA Less
Net Flywheel Power 138.0 hp 103.0 kW Less
Net Power - ISO 9249 138.0 hp 103.0 kW Less
Bore 4.02 in 102.0 mm Less
Stroke 5.12 in 130.0 mm Less
Displacement 389.0 in3 6.37 L Less


Operating Weight - Std. Undercarriage 44700.0 lb 20300.0 kg Less
Operating Weight - Long Undercarriage 47400.0 lb 21500.0 kg Less

Service Refill Capacities

Fuel Tank Capacity 108.0 gal 410.0 L Less
Cooling System 6.6 gal 25.0 L Less
Engine Oil 8.0 gal 30.0 L Less
Swing Drive 2.1 gal 8.0 L Less
Final Drive (each) 2.1 gal 8.0 L Less
Hydraulic System (including tank) 69.0 gal 260.0 L Less
Hydraulic Tank 32.0 gal 120.0 L Less

Swing Mechanism

Swing Speed 11.5 RPM 11.5 RPM Less
Swing Torque 45612.0 lb ft 62.0 kN·m Less


Maximum Drawbar Pull 46311.0 lb 206.0 kN Less
Maximum Travel Speed 3.4 mph 5.5 km/h Less

Hydraulic System

Main Implement System - Maximum Flow (2x) 54.0 gal/min 205.0 L/min Less
Max. Pressure - Equipment 5076.0 psi 35000.0 kPa Less
Max. Pressure - Travel 5076.0 psi 35000.0 kPa Less
Max. Pressure - Swing 3626.0 psi 25000.0 kPa Less
Pilot System - Maximum Flow 8.6 gal/min 32.4 L/min Less
Pilot System - Maximum Pressure 566.0 psi 3900.0 kPa Less
Boom Cylinder - Bore 4.7 in 120.0 mm Less
Boom Cylinder - Stroke 50.0 in 1260.0 mm Less
Stick Cylinder - Bore 5.5 in 140.0 mm Less
B1 Family Bucket Cylinder - Bore 4.7 in 120.0 mm Less
Stick Cylinder - Stroke 59.0 in 1504.0 mm Less
B1 Family Bucket Cylinder - Stroke 43.5 in 1104.0 mm Less
CB2 Family Bucket Cylinder - Bore 5.3 in 135.0 mm Less
CB2 Family Bucket Cylinder - Stroke 45.5 in 1156.0 mm Less

Sound Performance

Performance ANSI/SAE J1166 OCT 98 ANSI/SAE J1166 OCT 98 Less


Brakes SAE J1026 APR90 SAE J1026 APR90 Less
Cab/FOGS SAE J1356 FEB88 SAE J1356 FEB88 Less


Standard w/Standard Undercarriage 24.0 in 600.0 mm Less
Standard w/Long Undercarriage 32.0 in 800.0 mm Less
Optional - Triple Grouser 24.0 in 600.0 mm Less
Optional 28.0 in 700.0 mm Less
Optional 32.0 in 800.0 mm Less

Engine and Hydraulics

The Cat® 3066TA engine and hydraulics give the 320D exceptional power, fuel efficiency, controllability unmatched in the industry for consistently high performance in all applications.

Operator Station

Designed for comfort, simple and easy operation, the 320D allows the operator to focus on production.


320D structural components and undercarriage are the backbone of the machine's durability.

Booms and Sticks

Designed-in flexibility to help bring higher production and efficiency to all jobs.

Work Tools - Attachments

The 320D has an extensive selection of work tools to optimize machine performance.

Service and Maintenance

Simplified service and maintenance features save you time and money.

Complete Customer Support

Cat dealer services help you operate longer with lower costs.

320D RR/320D L RR Standard Equipment

Upper Structure
  • Electrical
  • Engine
  • Automatic swing parking brake
  • Boom drift reducing valve
  • Boom lowering device for back-up
  • Caterpillar one key security system
  • Counterweight
  • Door locks and cap locks
  • Mirrors, rearview (frame-right, cab-left)
  • Regeneration circuit for boom and stick
  • Reverse swing damping valve
  • Stick drift reducing valve
  • Two speed travel

Operator Station
  • Cab
  • Monitor

  • Grease lubricated GLT2, resin seal
  • Idler and center section track guiding
  • 800 mm (36 in) triple grouser track shoe (320D L)
  • 600 mm (24 in) triple grouser track shoes (320D)

320D RR/320D L RR Optional Equipment

Front linkage
  • Bucket linkage, B1-family with lifting eye
  • Bucket linkage, CB2-family with lifting eye
  • Heavy-duty 5.7 m (18 ft 9 in) Reach Boom (with left side light)
  • Heavy-duty 2.9B1 (9 ft 6 in) Stick for Heavy-duty Reach Boom
  • Heavy-duty 2.5B1 (8 ft 2 in) Stick for Heavy-duty Reach Boom
  • Reach Boom 5.7 m (18 ft 9 in) with left side light
  • Mass Boom 5.2 m (17 ft 1 in) with left side light

  • Standard Undercarriage
  • Long Undercarriage

  • FOGS, Bolt-on
  • Guard, Cab Front
  • Guard, Cab Top
  • Guard, Full Length for Long Undercarriage (two piece)
  • Guard, Heavy-Duty Bottom, 4 mm (5/32 in), with out Swivel Guard and Travel Motor Protection
  • Guard, Track End Guide for Long Undercarriage
  • Guard, Track End Guide for Standard Undercarriage
  • Guard, Vandalism
  • Heavy-Duty Swivel Protection, 16 mm (5/8 in), Swivel Guard only
  • Heavy-Duty Travel Motor Protection
  • Net for Front Guard (full net, one piece)
  • Net for Front Guard (half net, one piece)
  • Swivel Protection, 6 mm (1/4 in), Swivel Guard only

Auxiliary Hydraulics and Lines
  • Additional Circuit
  • Boom and Stick Lines
  • Quick Coupler
  • Tool Control System

Operator Station
  • Tempered Glass Windows
  • Polycarbonate Windows
  • Power Supply, 12V-7A (1)
  • Power Supply, 12V-7A (2)
  • Rear Window Emergency Exit
  • Seat, High-back Air Suspension
  • Seat, High-back Air Suspension with Heater
  • Seat, High-back Mechanical Suspension
  • Seat, Low-back Suspension without Headrest
  • Headrest
  • Sunscreen
  • Windshield Wiper, Lower with Washer
  • Working Lights, Cab Mounted
  • Rain Protector for Front Windshield
  • Sun Visor
  • AM/FM Radio
  • Control Pattern quick-changer, Two Way
  • Control Pattern Quick-Changer, Four Way
  • Cat MSS (anti-theft device)
  • Lunch Box with Cover
  • Water Level Indicator for Water Separator

Other Optional Equipment
  • Additional Gear Train for Auxiliary Pump
  • Air Pre-filter
  • Cooling Package, High Ambient with VSF
  • Cooling Package, Semi-High Ambient
  • Electric Refueling Pump with Auto Shut Off
  • Fine Swing
  • Starting Kit, Cold Weather, -32° C (-26° F)
  • Travel Alarm

Optimise Jobsite Efficiency with Cat® Machine and Technology Solutions

Talk to your Cat dealer about the range of innovative machine technology and fleet management solutions including GRADE, PAYLOAD and LINK technologies. Our 3-year Equipment Protection Plan is now standard on many models* and Caterpillar is standing behind fuel efficiency with our Fuel Edge Program. Plus your Cat dealer can offer competitive finance rates with Caterpillar Financial Australia. 

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