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320 GC - Tier 3
The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a comfortable cab, reduced fuel consumption by up to 20%, and longer maintenance intervals reducing maintenance costs by up to 20% to give you a durable, low-cost-per-hour excavator for light- to medium-duty applications.
Net Power - ISO 9249
143 HP
Net Power - ISO 9249 (DIN)
145 hp (metric)
Engine Model
Cat C4.4
Specification
Value
Net Power - ISO 9249
143 HP
Net Power - ISO 9249 (DIN)
145 hp (metric)
Engine Model
Cat C4.4
Engine Power - ISO 14396
145 HP
Engine Power - ISO 14396 (DIN)
147 hp (metric)
Bore
4 in
Stroke
5 in
Displacement
269 in³
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 2,000 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.
Specification
Value
Main System - Maximum Flow
429 l/min (113 gal/min)
Maximum Pressure - Equipment
5075 psi
Maximum Pressure - Travel
4974 psi
Maximum Pressure - Swing
3625 psi
Specification
Value
Swing Speed
11.3 r/min
Maximum Swing Torque
54900 lb/ft
Specification
Value
Operating Weight
45,000 lb
Note
Medium undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1.0 m³ (1.31 yd³) bucket, 600 mm (24") triple grouser shoes, and 3.7 mt (8,200 lb) counterweight.
Specification
Value
Fuel Tank Capacity
86.6 gal (US)
Cooling System
6.6 gal (US)
Engine Oil
4 gal (US)
Swing Drive - Each
3.2 gal (US)
Final Drive - Each
1.1 gal (US)
Hydraulic System - Including Tank
61.8 gal (US)
Hydraulic Tank
30.4 gal (US)
Specification
Value
Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
1.0 m³ (1.31 yd³)
Shipping Height - Top of Cab
9.9 ft
Handrail Height
9.8 ft
Shipping Length
31.3 ft
Tail Swing Radius
9.3 ft
Counterweight Clearance
3.4 ft
Ground Clearance
1.5 ft
Track Length
13.9 ft
Length to Center of Rollers
11.3 ft
Track Gauge
7.8 ft
Transport Width
9.8 ft
Specification
Value
Maximum Digging Depth
21.8 ft
Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
1.0 m³ (1.31 yd³)
Maximum Reach at Ground Level
32.1 ft
Maximum Cutting Height
31 ft
Maximum Loading Height
21.6 ft
Minimum Loading Height
7.4 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.2 ft
Maximum Vertical Wall Digging Depth
19.7 ft
Bucket Digging Force - ISO
29007 lbf
Stick Digging Force - ISO
22301 lbf
- Cab Monitor Improvements
- Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
- Identify apps quickly with a grid list view, abbreviated app names, and categorized menu options.
- A notification center keeps important information visible to the operator, and displays messages without shrinking the camera view.
- Color coded notifications set critical messages apart from the rest.
- Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.
Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area. Build Number: 07G
- The excavator uses up to 20% less fuel than the 320D2 GC in similar applications.
- Match the excavator to the job using power modes; let Smart mode automatically match engine and hydraulic power to your digging conditions.
- The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.
- Valve priority puts hydraulic pressure and flow where you command it to go for fast light- to medium-load cycle times.
- Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
- Add auxiliary hydraulics to do more work with a range of Cat attachments.
- VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer. Review equipment data from your desktop or mobile device to maximize uptime and optimize assets.
- Don't let the temperature stop you from working. The excavator has a standard high ambient temperature capability of 52º C (125º F) and cold start capability of -32º C (-25º F).
- Expect up to 20% less maintenance cost than the 320D2 GC (savings calculated over 12,000 machine hours).
- Do all daily maintenance at ground level.
- Boost productivity with proactive service reminders. The integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.
- Check engine oil level quickly and safely with the latest ground-level engine oil dipstick; fill and check engine oil on top of the machine with a conveniently located second dipstick.
- Track your excavator’s filter life and maintenance intervals via the in-cab monitor.
- No required maintenance on the Cat Clean Emissions Module.
- Using Cat genuine oil and filters and doing your typical S∙O∙S monitoring will double the current service interval to 1,000 hours, giving you greater uptime to do more work.
- The latest hydraulic oil filter provides improved filtration performance,anti-drain valves to keep oil clean when the filter is replaced, and longer life with a 3,000 hour replacement interval – 50% longer than previous filter designs.
- The latest high-efficiency electric cooling fans only run when needed and reverse to keep cores free from debris.
- S·O·S ports simplify maintenance and allow for quick, easy extraction of samples for fluid analysis.
- Work up to 3000 m (9,840 ft) above sea level without de-rating.
- Standard high-ambient temperature capability is 52º C (125º F) with cold start capability at –32º C (–25º F).
- Auto warm up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.
- Three levels of fuel filtration protect the engine from dirty diesel fuel.
- Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.
- The center track guiding guard helps keep the excavator track aligned when traveling and working on slopes.
- The sloped track frame prevents mud and debris accumulation, helping reduce risk of track damage.
- Access 100% of daily maintenance points from ground level – no need for you to climb on top of the excavator.
- Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the push button starting feature.
- The standard ROPS cab meets ISO 12117-2:2008 requirements.
- Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab posts and larger windows.
- A rear view camera is standard, and a right-side-view camera is optional.
- The latest right-hand service platform design provides easy, safe, and quick access to upper service platform; the service platform steps use anti-skid punch plate to prevent slipping.
- The handrails comply with ISO 2867:2011 requirements.
- The lower frame meets ISO 15818:2017 lifting and tie-down requirements.
- Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.
- Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.
- Start the engine with a push button; use a Bluetooth® key fob, or the unique Operator ID function.
- Program each joystick button, including response and pattern, using Operator ID; it will also remember climate control fan and radio settings.
- Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor or with the aid of the jog dial control.
- Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.
- Protect your hammer tool from overheating and rapid wear. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds - all to extend the tool’s service life.
- The Cat PL161 Attachment Locator is a Bluetooth device that makes finding your attachments and other gear quick and easy.
- The Comfort cab has a wide seat that adjusts for operators of all sizes.
- Control the excavator comfortably with easy-to-reach controls all located in front of you.
- Standard automatic climate control keeps you at the right temperature all shift long.
- Advanced viscous mounts reduce cab vibration by up to 50% over previous excavator models.
- Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles. A cup holder, document holder, bottle holder, and coat hook are also provided.
- Use the standard radio’s USB ports and Bluetooth® technology to connect to personal devices.
- VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer.* Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Dashboards provide information such as hours, miles, location, idle time, and fuel utilization. Make informed decisions that lower costs, simplify maintenance, and improve safety and security on your jobsite.
- VisionLink Productivity gathers and summarizes machine telematics and jobsite data from all your equipment – regardless of the manufacture.* View actionable information such as idle time, fuel burn, location, payload, load counts, total cycles, and more to improve machine efficiency, productivity, and utilization. Access data anywhere via a mobile, tablet, or desktop device - on or off the jobsite.
- Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.
* Data field availability can vary by equipment manufacturer.
General Duty Bucket 600 mm (24 in): 550-9443
General Duty Bucket 750 mm (30 in): 550-9444
General Duty Bucket 1300 mm (51 in): 550-9447
General Duty Bucket 1200 mm (48 in): 550-9446
General Duty Bucket 1400 mm (55 in): 550-9448
General Duty Bucket 1200 mm (48 in): 550-9635
General Duty Bucket 900 mm (35 in): 550-9633
General Duty Bucket 1050 mm (42 in): 550-9634
General Duty Bucket 1300 mm (51 in): 550-9670
General Duty Bucket 750 mm (30 in): 550-9668
General Duty Bucket 900 mm (36 in): 550-9669
General Duty Bucket 750 mm (30 in): 550-9469
General Duty Bucket 1050 mm (42 in): 550-9445
General Duty Bucket 1000 mm (39 in): 550-9470
General Duty Bucket 1200 mm (48 in): 550-9471
Heavy Duty Bucket 1200 mm (48 in): 550-9543
Heavy Duty Bucket 1050 mm (42 in): 550-9545
Heavy Duty Bucket 1300 mm (852 in): 550-9544
Heavy Duty Bucket 1050 mm (42 in): 550-9585
Heavy Duty Bucket 1200 mm (48 in): 550-9680
Heavy Duty Bucket 1200 mm (48 in): 550-9659
Heavy Duty Bucket 600 mm (24 in): 550-9658
Severe Duty Bucket 1200 mm (48 in): 550-9622
Ditch Cleaning Bucket 2100 mm (83 in): 441-6090
Ditch Cleaning Bucket 2100 mm (83 in): 441-6087
Ditch Cleaning Bucket 2100 mm (83 in): 441-6093
Ditch Cleaning Bucket 1800 mm (72 in): 441-6091
CVP110
CW-40S
CW-40S
CW-40
CW-40
Pin Grabber Coupler (B-Linkage): 455-3910
Pin Grabber Coupler (B-Linkage): 455-3909
G332 Demolition & Sorting Grapple: 587-8991
G345 Demolition & Sorting Grapple: 608-0756
G332 Demolition & Sorting Grapple: 587-8994
G318 Demolition & Sorting Grapple: 587-8965
G318 WH Demolition & Sorting Grapple: 587-8970
G318 Demolition & Sorting Grapple: 587-8966
G318 WH Demolition & Sorting Grapple: 587-8975
CTV15-1000 Clamshell Grapple
CTV15-1200 Clamshell Grapple
CTV20-1300 Clamshell Grapple
CTV20-1500 Clamshell Grapple
CTV20-1700 Clamshell Grapple
CTV20-1900 Clamshell Grapple
CTV20-2300 Clamshell Grapple
CTV20-1500-BOCE Clamshell Grapple
CTV20-2300-BOCE Clamshell Grapple
CTV30-1700 Clamshell Grapple
CTV30-1900 Clamshell Grapple
CTV30-2300 Clamshell Grapple
CTV30-1900-BOCE Clamshell Grapple
CTV30-2300-BOCE Clamshell Grapple
GSH420 4-Tine, 500-Liter Orange Peel Grapple
GSH420 4-Tine, 600-Liter Orange Peel Grapple
GSH420 4-Tine, 750-Liter Orange Peel Grapple
GSH425 4-Tine, 1150-Liter Orange Peel Grapple
GSH520 5-Tine, 500-Liter Orange Peel Grapple
GSH520 5-Tine, 600-Liter Orange Peel Grapple
GSH425 4-Tine, 950-Liter Orange Peel Grapple
GSH520 5-Tine, 750-Liter Orange Peel Grapple
GSH525 5-Tine, 750-Liter Orange Peel Grapple
GSH525 5-Tine, 950-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 400-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 500-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 600-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 750-Liter Orange Peel Grapple
GSV520 5-Tine, 400-Liter Orange Peel Grapple
GSV520 5-Tine, 500-Liter Orange Peel Grapple
GSV520 5-Tine, 600-Liter Orange Peel Grapple
GSV520 5-Tine, 750-Liter Orange Peel Grapple
GSV525 5-Tine, 600-Liter Orange Peel Grapple
GSV525 5-Tine, 750-Liter Orange Peel Grapple
GSV525 5-Tine, 950-Liter Orange Peel Grapple
GSM50 5-Tine, 1250-Liter Orange Peel Grapple
GSM50 5-Tine, 1500-Liter Orange Peel Grapple
GSH555 5-Tine, 1000-Liter Orange Peel Grapple
GSH555 5-Tine, 1500-Liter Orange Peel Grapple
GSH455 4-Tine, 1000-Liter Orange Peel Grapple
GSH455 4-Tine, 1500-Liter Orange Peel Grapple
GSH455 4-Tine, 2000-Liter Orange Peel Grapple
H140 GC
H130 GC S
H120 GC
H120 GC S
H160 GC
H180 GC
H140 GC S
H180 GC S
H160 GC S
H130 GC
H115 S
H120 S
H130 S
H140 S
H160 S
H180 S
MP332 Demolition Jaw
MP324 Demolition Jaw
MP324 Universal Jaw
MP318 Universal Jaw
MP332 Pulverizer Jaw
MP324 Pulverizer Jaw
MP318 Pulverizer Jaw
MP332 Concrete Cutter Jaw
MP324 Concrete Cutter Jaw
MP332 Shear Jaw
MP324 Shear Jaw
MP318 Shear Jaw
MP324 Tank Shear
P232 Secondary Pulverizer
Cat® Detect with Smart Camera
Cat® Detect with Surround Cameras
Cat Product Link
Cat Inspect
VisionLink®
Cat Remote Flash
Cat Remote Troubleshooting
VisionLink® Productivity
G318 WH Demolition & Sorting Grapple: 587-8976
G318 Demolition & Sorting Grapple: 595-1393
G317 GC Demolition & Sorting Grapple: 587-8720
G317 GC Demolition & Sorting Grapple: 587-8721
GSH425 4-Tine, 750-Liter Orange Peel Grapple
MP318 Demolition Jaw
MP332 Universal Jaw
MP318 Concrete Cutter Jaw
MP332 Tank Shear
RC20
RC30
P224 Secondary Pulverizer