320D/D L Series 2

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Overview

The 320D/D L Series 2 incorporates innovations to improve your job site efficiency through low owning and operating costs, excellent performance, and high versatility.

Engine

Units:
Engine Model Cat® C7.1 Cat® C7.1 Less
Net Flywheel Power 131.0 hp 98.0 kW Less
Bore 4.1 in 105.0 mm Less
Stroke 5.3 in 135.0 mm Less
Displacement 428.0 in3 7.01 L Less
Engine Power – ISO 14396 139.0 hp 104.0 kW Less
Net Power – SAE J1349/ISO 9249 131.0 hp 98.0 kW Less

Weights

Operating Weight 49360.0 lb 22390.0 kg Less
Operating Weight (ISO 6016): Long Undercarriage – Maximum Operating Weight 49360.0 lb 22390.0 kg Less
Operating Weight (ISO 6016): Long Undercarriage – Minimum Operating Weight 47800.0 lb 21680.0 kg Less
Operating Weight (ISO 6016): Standard Undercarriage – Maximum Operating Weight 47820.0 lb 21690.0 kg Less
Operating Weight (ISO 6016): Standard Undercarriage – Minimum Operating Weight 46390.0 lb 21040.0 kg Less
Operating Weight – Long Undercarriage 21 680 kg-22 390 kg (47,800 lb-49,360 lb) 21 680 kg-22 390 kg (47,800 lb-49,360 lb) Less
Operating Weight – Std. Undercarriage 21 040 kg-21 690 kg (46,390 lb-47,820 lb) 21 040 kg-21 690 kg (46,390 lb-47,820 lb) Less

Service Refill Capacities

Fuel Tank Capacity 108.3 gal 410.0 L Less
Cooling System 6.6 gal 25.0 L Less
Engine Oil 5.8 gal 22.0 L Less
Final Drive (each) 2.1 gal 8.0 L Less
Hydraulic System (including tank) 68.7 gal 260.0 L Less
Hydraulic Oil 36.5 gal 138.0 L Less
Swing Drive (each) 2.1 gal 8.0 L Less

Swing Mechanism

Swing Speed 10.9 RPM 10.9 RPM Less
Swing Torque 45581.0 lb ft 61.8 kN·m Less

Drive

Maximum Drawbar Pull 46086.0 lb 205.0 kN Less
Maximum Travel Speed 3.3 mph 5.4 km/h Less

Hydraulic System

Pilot System – Maximum Pressure 566.0 psi 3900.0 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 59.2 in 1504.0 mm Less
B1 Bucket Cylinder – Bore 4.7 in 120.0 mm Less
B1 Bucket Cylinder – Stroke 43.5 in 1104.0 mm Less
Main System – Maximum Flow (Total) 106.72 gal/min 404.0 L/min Less
Maximum Pressure – Equipment 5076.0 psi 35000.0 kPa Less
Maximum Pressure – Equipment (Lift mode ON) 5221.0 psi 36000.0 kPa Less
Maximum Pressure – Swing 3626.0 psi 25000.0 kPa Less
Maximum Pressure – Travel 5076.0 psi 35000.0 kPa Less
Pilot System – Maximum Flow 32.4 L/min (1,977 in3/min) 32.4 L/min (1,977 in3/min) Less
Swing System – Maximum Flow 53.36 gal/min 202.0 L/min Less

Operator Station

Enhance your comfort, operation, and visibility. The 320D/D L Series 2 allows you to focus on your job.


Engine

A powerful engine with excellent reliability and low fuel consumption delivering more while boosting your bottom line.


Hydraulics

Efficient hydraulic system with low effort joysticks provides precise control regardless of your application.


Undercarriage and Structures

Strong and durable, all you expect from Cat excavators.


Front Linkage

Reliable, durable, and versatile to meet all your application needs.


Service and Maintenance

Simplified service and maintenance features save you time and money.


Complete Customer Support

Cat dealer services offer a wide range of personalized solutions.


Work Tools

Dig, hammer, rip, and cut with confidence.


320D/D L Series 2 Standard Equipment

ENGINE
  • • C7.1 Mechanical engine
  • • Meets U.S. EPA Tier 2, EU Stage II and China Tier 2 emission regulations
  • • 4000 m altitude capability
  • • Radial seal air filters (primary and secondary filter)
  • • Glow plugs (for cold weather start)
  • • Automatic engine speed control with one touch low idle
  • • High ambient cooling package 52° C (125° F)
  • • Water separator with water level indicator sensor
  • • Waved fin radiator with space for cleaning
  • • Two speed travel
  • • Electric priming pump
  • • Fuel pressure differential gauge
  • • Power modes (Eco and Standard)

HYDRAULIC SYSTEM
  • • Regeneration circuits for boom and stick
  • • Auxiliary hydraulic valve
  • • Reverse swing damping valve
  • • Automatic swing parking brake
  • • Boom drift reducing valve
  • • Boom lowering device for back-up
  • • Stick drift reducing valve
  • • Straight travel hydraulic circuit
  • • High performance hydraulic return filters

CAB
  • • Pressurized cab
  • • Fully adjustable mechanical suspension seat
  • • Adjustable armrest
  • • Seat belt, retractable (51 mm [2 in] width)
  • • 70/30 split front windshield
  • • Laminated upper front windshield and tempered other windows
  • • Sliding upper door window
  • • Openable front windshield with assist device
  • • Pillar mounted upper windshield wiper and washer
  • • Bi-level air conditioner (automatic) with defroster (pressurized function)
  • • Color LCD display with warning, filter/fluid change, and working hour information
  • • Control lever joysticks
  • • Hydraulic activation control lever (lock out for all controls)
  • • Travel control pedals with removable hand levers
  • • Radio mounting (DIN size)
  • • Radio ready
  • • 12V – 2× maximum 10A power supply
  • • Two stereo speakers
  • • Beverage holder
  • • Coat hook
  • • Openable roof hatch
  • • Washable floor mat

UNDERCARRIAGE
  • • Idler and center section track guiding guard
  • • Towing eye on base frame
  • • Grease lubricated track

ELECTRICAL
  • • Batteries (2 × 750 CCA)
  • • 115 amp alternator
  • • 8 kW starter motor

LIGHTS
  • • Left boom working light
  • • Right working light mounted in the storage box
  • • Interior lighting

SAFETY & SECURITY
  • • Cat one key security system
  • • Door and compartment locks
  • • Signaling/warning horn
  • • Rearview mirrors
  • • Fire wall between engine and pump compartment
  • • Emergency engine shutoff switch
  • • Rear window, emergency exit
  • • Battery disconnect switch

COUNTERWEIGHT
  • • 3.7 mt counterweight

TECHNOLOGY
  • • Product Link™
  • • Cat data link receptacle

320D/D L Series 2 Optional Equipment

ENGINE
  • • Starting kit, cold weather, –32° C (–25.6° F), ether or block heater
  • • Air prefilter

HYDRAULIC SYSTEM
  • • Auxiliary hydraulics options
  • • Hammer circuit, foot pedal operated
  • • Two way combined circuit, foot pedal operated
  • • Two way combined circuit, joystick operated
  • • Two way combined circuit with medium pressure, joystick operated
  • • Auxiliary hydraulic lines for booms and sticks

UNDERCARRIAGE AND GUARDS
  • • 600 mm (24") double grouser shoes
  • • 600 mm (24") triple grouser shoes
  • • 700 mm (28") triple grouser shoes
  • • 790 mm (31") triple grouser shoes
  • • Full length track guiding guard (2 pieces)
  • • Guard package includes (HD) bottom, (HD) travel motor, swivel guard

LIGHTS
  • • Cab mounted working lights
  • • Right mounted boom light for reach boom

TECHNOLOGY
  • • AccuGrade™ Ready Option (ARO)

FRONT LINKAGE
  • • Heavy Duty 5.7 m (18'8") reach boom with left side light: – R2.9B1 (9'6") HD stick – R2.5B1 (8'2") HD stick
  • • Mass boom 5.2 m (17'1") with left side light: – M2.4CB2 (7'11") stick
  • • Super long reach (SLR): – (SLR) Boom 8.85 m (29'0") – (SLR) Stick 6.28 m (20'7")

BUCKETS
  • • General duty buckets from 0.46 m3 (0.60 yd3) to 1.43 m3 (1.87 yd3)
  • • Heavy duty buckets from 1.00 m3 (1.3 yd3) to 1.40 m3 (1.8 yd3)
  • • Severe duty buckets from 1.00 m3 (1.3 yd3) to 1.20 m3 (1.6 yd3)
  • • Extreme duty buckets from 1.00 m3 (1.3 yd3) to 1.20 m3 (1.6 yd3)
  • • Ditch cleaning 0.9 m3 (1.2 yd3) for super long reach arrangement
  • • Ditch cleaning 0.45 m3 (0.6 yd3) for super long reach arrangement

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