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320 - Tier 3

Medium Excavators

The Cat® 320 raises the bar for efficiency and fuel economy in this size class. With the industry’s highest level of standard factory technology, an ergonomic cab focused on operator comfort and productivity, plus lower fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.

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Net Power - ISO 9249 117 kW
Engine Model Cat C7.1
Bore 105 mm
Stroke 135 mm
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320 - Tier 3
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OVERVIEW

Peak Performance, User-Friendly Technology

FEATURES & BENEFITS

LATEST FEATURES

    Cab Monitor Improvements.     Continuously improved user interface allows for intuitive navigation, minimizing performance... Read more

DO MORE WITH LESS FUEL

    Use up to 20% less fuel than the Cat 320D2 excavator.     Increase operating efficiency up to 45% with standard Cat technolog... Read more

EFFICIENCY THROUGH TECHNOLOGY

    Boost productivity up to 45% versus traditional grading with standard Cat Grade with 2D system – includes indicate-only and laser capability... Read more

TAKE THE GUESSWORK OUT OF MANAGING YOUR EQUIPMENT

    VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer.* Review equipment data from yo... Read more

DESIGNED FOR OPERATORS

    Cab options let you choose the level of comfort you need.     Enjoy wide spacing between consoles for a more spacious comfort... Read more

SIMPLE TO OPERATE

    Start the engine with a push button; use a Bluetooth® key fob, or the Operator ID passcode.     Program each joystick button,... Read more

SAVE ON SERVICE AND MAINTENANCE

    Expect up to 25% less maintenance cost than the 320D2 (savings calculated over 12,000 machine hours).     Boost productivity... Read more

SAFELY HOME EVERY DAY

    Cat Detect - People Detection helps protect the most valuable asset on any jobsite – people. The system uses smart cameras with depth sensors to... Read more

SPECIFICATIONS FOR 320 - Tier 3

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Engine
Net Power - ISO 9249 117 kW
Engine Model Cat C7.1
Bore 105 mm
Stroke 135 mm
Displacement 7.01 l
Net Power - ISO 9249 (DIN) 159 hp (metric)
Engine Power - ISO 14396 118 kW
Engine Power - ISO 14396 (DIN) 160 hp (metric)
Biodiesel Capability Up to B20¹
Emissions Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2) ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Hydraulic System
Main System - Maximum Flow 429 l/min (113 gal/min)
Maximum Pressure - Equipment 35000 kPa
Maximum Pressure - Equipment - Lift Mode 38000 kPa
Maximum Pressure - Travel 34300 kPa
Maximum Pressure - Swing 27500 kPa
Swing Mechanism
Swing Speed 11.3 r/min
Maximum Swing Torque 82 kN·m
Weights
Operating Weight 21300 kg
Note Heavy Duty (HD) Reach boom, HD R2.9 (9'6") stick, HD 1.19 m³ (1.56 yd³) bucket, 600 mm (24") triple grouser shoes, and 3700 kg (8,200 lb) counterweight.
Service Refill Capacities
Fuel Tank Capacity 345 l
Cooling System 25 l
Engine Oil 25 l
Swing Drive - Each 6 l
Final Drive - Each 5 l
Hydraulic System - Including Tank 234 l
Hydraulic Tank 115 l
Dimensions
Boom HD Reach 5.7 m (18'8")
Stick HD Reach 2.9 m (9'6")
Bucket HD 1.19 m³ (1.56 yd³)
Shipping Height - Top of Cab 2960 mm
Handrail Height 2950 mm
Shipping Length 9530 mm
Tail Swing Radius 2830 mm
Counterweight Clearance 1050 mm
Ground Clearance 470 mm
Track Length 4450 mm
Length to Center of Rollers 3650 mm
Track Gauge 2380 mm
Transport Width 2980 mm
Working Ranges & Forces
Maximum Digging Depth 6720 mm
Boom HD Reach 5.7 m (18'8")
Stick HD Reach 2.9 m (9'6")
Bucket HD 1.19 m³ (1.56 yd³)
Maximum Reach at Ground Level 9860 mm
Maximum Cutting Height 9370 mm
Maximum Loading Height 6490 mm
Minimum Loading Height 2170 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 6550 mm
Maximum Vertical Wall Digging Depth 5190 mm
Bucket Digging Force - ISO 150 kN
Stick Digging Force - ISO 106 kN

SELECT MODELS TO COMPARE

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Engine Model Cat C4.4
Net Flywheel Power 90 kW
Bore 105 mm
Stroke 127 mm
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320D2 GC (Tier 3)

Engine Model Cat® C4.4 ACERT™
Net Flywheel Power 85 kW
Bore 105 mm
Stroke 127 mm
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320 GC - Tier 3

Net Power - ISO 9249 107 kW
Engine Model Cat C4.4
Engine Power - ISO 14396 108 kW
Bore 105 mm
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320D2 (Tier 3)

Engine Model Cat C7.1
Net Flywheel Power 109 kW
Bore 105 mm
Stroke 135 mm
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Medium Excavators

320 GX - Tier 3

Net Power - ISO 9249 103.6 kW
Engine Model Cat C4.4
Engine Power - ISO 14396 108 kW
Bore 105 mm
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323 GC

Net Power - ISO 9249 128.5 kW
Engine Model Cat C4.4
Engine Power - ISO 14396 129.4 kW
Bore 105 mm
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333 - Tier 3

Net Power - ISO 9249 193.8 kW
Engine Model Cat C7.1
Engine Power - ISO 14396 195 kW
Bore 105 mm
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320

Engine Model Cat C4.4 ACERT
Net Flywheel Power 121 kW
Gross Power - ISO 14396/SAE J1995 122 kW
Net Power - SAE J1349/ISO 9249 121 kW
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