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320 Hydraulic Excavator 10836

320 Hydraulic Excavator
10836 320 Hydraulic Excavator

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, a cab focused on operator comfort, plus low fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.

CAT
Construction Equipment
Price: Request a Quote

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, a cab focused on operator comfort, plus low fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.

Net Power - ISO 9249
172 hp
Operating Weight
49,800 lb
Maximum Digging Depth
22 ft
Net Power - ISO 9249 (DIN)
175 hp (metric)

Financial Programs

  • Downpayment
    >49%
  • Period
    36 months
  • Rate
    0%
%
Period
Leasing agreement amount
Payment type
Annuity
Monthly payment
/ month

Engine

Net Power - ISO 9249
172 hp
Net Power - ISO 9249 (DIN)
175 hp (metric)
Engine Model
Cat C4.4
Engine Power - ISO 14396
174 hp
Engine Power - ISO 14396 (DIN)
176 hp (metric)
Bore
4 in
Stroke
5 in
Displacement
269 in³
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 emission standards.
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 2,200 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Weights

Operating Weight
49,800 lb
Note
Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4,200 kg (10,400 lb) counterweight.

Working Ranges & Forces

Maximum Digging Depth
22 ft
Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
1.19 m ³ (1.56 yd³)
Maximum Reach at Ground Level
32.3 ft
Maximum Cutting Height
30.7 ft
Maximum Loading Height
21.3 ft
Minimum Loading Height
7.1 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.5 ft
Maximum Vertical Wall Digging Depth
17 ft
Bucket Digging Force - ISO
38,811 lbf
Stick Digging Force - ISO
23,911 lbf

Hydraulic System

Main System - Maximum Flow
429 l/min (113 gal/min)
Maximum Pressure - Equipment
5,075 psi
Maximum Pressure - Travel
4,974 psi
Maximum Pressure - Swing
3,988 psi

Swing Mechanism

Maximum Swing Torque
60,300 ft·lbf

Service Refill Capacities

Fuel Tank Capacity
86.6 gal (US)
Cooling System
6.6 gal (US)
Engine Oil
4 gal (US)
Swing Drive - Each
1.6 gal (US)
Final Drive - Each
1.1 gal (US)
Hydraulic System - Including Tank
61.8 gal (US)
Hydraulic Tank
30.4 gal (US)
DEF Tank
10.3 gal (US)

Dimensions

Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
1.19 m ³ (1.56 yd³)
Shipping Height - Top of Cab
9.7 ft
Handrail Height
9.7 ft
Shipping Length
31.3 ft
Tail Swing Radius
9.3 ft
Counterweight Clearance
3.4 ft
Ground Clearance
1.5 ft
Track Length
14.6 ft
Length to Center of Rollers
11.7 ft
Track Gauge
7.8 ft
Transport Width
9.8 ft

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).

Sustainability

Recyclability
97%

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Rollover protective structure (ROPS)
    • Air-adjustable seat with heat (Deluxe only)
    • Auto-adjustable seat with heat and air ventilation (Premium only)
    • High-resolution 254 mm (10 inch) LCD touchscreen monitor
  • Cat Technology
    • VisionLink®
    • Remote Flash
    • Remote Troubleshoot
    • Cat Grade 2D
    • Cat Assist
    • Cat Payload
  • Electrical System
    • Two 1,000 CCA maintenance-free batteries
    • Programmable time-delay LED working lights
    • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Engine
    • Cat C4.4 twin turbo diesel engine
    • Three selectable power modes
    • Automatic engine speed control
    • 52°C (126°F) ambient cooling capacity
    • -32°C (-25°F) cold start capability
    • Double element air filter with integrated precleaner
    • Reversing electric cooling fans
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Auto warm up
    • Auto two-speed travel
    • Auto dig boost
    • Boom and stick drift reduction valve
  • Safety And Security
    • 2D E-Fence
    • Auto hammer stop
    • Rearview and right-side-view cameras
    • Ground-level engine shutoff switch
    • Lockable disconnect switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn
  • Service And Maintenance
    • Scheduled Oil Sampling (S·O·S℠) ports
    • Ground-level and platform-level engine oil dipsticks
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • Tie-down points on base frame

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Booms And Sticks
    • 5.7 m (18'8") Reach boom
    • 5.7 m (18'8") HD Reach boom
    • 2.8 m (9'2") Stub + 3.3 m (10'10") Fore, VA boom
    • 8.85 m (29'0") Super Long Reach boom
    • 2.5 m (8'2") Reach stick
    • 2.9 m (9'6") Reach stick
    • 2.5 m (8'2") HD Reach stick
    • 2.9 m (9'6") HD Reach stick
    • 2.9 m (9'6") HD Thumb Ready Reach stick
    • 6.28 m (20'7") Super Long Reach stick
  • Cab
    • Cat Stick Steer
    • Auxiliary relay
  • Cat Technology
    • VisionLink Productivity
    • Cat Grade Connectivity
    • Cat Grade 2D with Attachment Ready Option (ARO)
    • Cat Grade 3D single GNSS
    • Cat Grade 3D dual GNSS
    • Cat Tilt Rotator (TRS) Integration
    • Operator Coaching
  • Hydraulic System
    • Boom and stick lowering check valves
    • SmartBoom (Europe only)
    • Hammer return filter circuit
    • Hydraulic efficiency monitoring
    • Advanced tool control (two pump, one/two way high-pressure flow)
    • Medium-pressure circuit
    • Quick coupler circuit for Cat pin grabber
  • Safety And Security
    • Cat Command (remote control)
    • 360° visibility
    • Swing alarm
    • Inspection lighting
  • Undercarriage And Structures
    • 600 mm (24") triple grouser shoes
    • 700 mm (28") triple grouser shoes
    • 790 mm (31") triple grouser shoes
    • 900 mm (35") triple grouser shoes
    • 4200 kg (9,300 lb) counterweight
    • 4700 kg (10,400 lb) counterweight

Specifications

Engine

Net Power - ISO 9249
172 hp
Net Power - ISO 9249 (DIN)
175 hp (metric)
Engine Model
Cat C4.4
Engine Power - ISO 14396
174 hp
Engine Power - ISO 14396 (DIN)
176 hp (metric)
Bore
4 in
Stroke
5 in
Displacement
269 in³
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 emission standards.
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 2,200 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Weights

Operating Weight
49,800 lb
Note
Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4,200 kg (10,400 lb) counterweight.

Working Ranges & Forces

Maximum Digging Depth
22 ft
Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
1.19 m ³ (1.56 yd³)
Maximum Reach at Ground Level
32.3 ft
Maximum Cutting Height
30.7 ft
Maximum Loading Height
21.3 ft
Minimum Loading Height
7.1 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.5 ft
Maximum Vertical Wall Digging Depth
17 ft
Bucket Digging Force - ISO
38,811 lbf
Stick Digging Force - ISO
23,911 lbf

Hydraulic System

Main System - Maximum Flow
429 l/min (113 gal/min)
Maximum Pressure - Equipment
5,075 psi
Maximum Pressure - Travel
4,974 psi
Maximum Pressure - Swing
3,988 psi

Swing Mechanism

Maximum Swing Torque
60,300 ft·lbf

Service Refill Capacities

Fuel Tank Capacity
86.6 gal (US)
Cooling System
6.6 gal (US)
Engine Oil
4 gal (US)
Swing Drive - Each
1.6 gal (US)
Final Drive - Each
1.1 gal (US)
Hydraulic System - Including Tank
61.8 gal (US)
Hydraulic Tank
30.4 gal (US)
DEF Tank
10.3 gal (US)

Dimensions

Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
1.19 m ³ (1.56 yd³)
Shipping Height - Top of Cab
9.7 ft
Handrail Height
9.7 ft
Shipping Length
31.3 ft
Tail Swing Radius
9.3 ft
Counterweight Clearance
3.4 ft
Ground Clearance
1.5 ft
Track Length
14.6 ft
Length to Center of Rollers
11.7 ft
Track Gauge
7.8 ft
Transport Width
9.8 ft

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).

Sustainability

Recyclability
97%

Standard/Optional Features

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Rollover protective structure (ROPS)
    • Air-adjustable seat with heat (Deluxe only)
    • Auto-adjustable seat with heat and air ventilation (Premium only)
    • High-resolution 254 mm (10 inch) LCD touchscreen monitor
  • Cat Technology
    • VisionLink®
    • Remote Flash
    • Remote Troubleshoot
    • Cat Grade 2D
    • Cat Assist
    • Cat Payload
  • Electrical System
    • Two 1,000 CCA maintenance-free batteries
    • Programmable time-delay LED working lights
    • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Engine
    • Cat C4.4 twin turbo diesel engine
    • Three selectable power modes
    • Automatic engine speed control
    • 52°C (126°F) ambient cooling capacity
    • -32°C (-25°F) cold start capability
    • Double element air filter with integrated precleaner
    • Reversing electric cooling fans
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Auto warm up
    • Auto two-speed travel
    • Auto dig boost
    • Boom and stick drift reduction valve
  • Safety And Security
    • 2D E-Fence
    • Auto hammer stop
    • Rearview and right-side-view cameras
    • Ground-level engine shutoff switch
    • Lockable disconnect switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn
  • Service And Maintenance
    • Scheduled Oil Sampling (S·O·S℠) ports
    • Ground-level and platform-level engine oil dipsticks
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • Tie-down points on base frame

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Booms And Sticks
    • 5.7 m (18'8") Reach boom
    • 5.7 m (18'8") HD Reach boom
    • 2.8 m (9'2") Stub + 3.3 m (10'10") Fore, VA boom
    • 8.85 m (29'0") Super Long Reach boom
    • 2.5 m (8'2") Reach stick
    • 2.9 m (9'6") Reach stick
    • 2.5 m (8'2") HD Reach stick
    • 2.9 m (9'6") HD Reach stick
    • 2.9 m (9'6") HD Thumb Ready Reach stick
    • 6.28 m (20'7") Super Long Reach stick
  • Cab
    • Cat Stick Steer
    • Auxiliary relay
  • Cat Technology
    • VisionLink Productivity
    • Cat Grade Connectivity
    • Cat Grade 2D with Attachment Ready Option (ARO)
    • Cat Grade 3D single GNSS
    • Cat Grade 3D dual GNSS
    • Cat Tilt Rotator (TRS) Integration
    • Operator Coaching
  • Hydraulic System
    • Boom and stick lowering check valves
    • SmartBoom (Europe only)
    • Hammer return filter circuit
    • Hydraulic efficiency monitoring
    • Advanced tool control (two pump, one/two way high-pressure flow)
    • Medium-pressure circuit
    • Quick coupler circuit for Cat pin grabber
  • Safety And Security
    • Cat Command (remote control)
    • 360° visibility
    • Swing alarm
    • Inspection lighting
  • Undercarriage And Structures
    • 600 mm (24") triple grouser shoes
    • 700 mm (28") triple grouser shoes
    • 790 mm (31") triple grouser shoes
    • 900 mm (35") triple grouser shoes
    • 4200 kg (9,300 lb) counterweight
    • 4700 kg (10,400 lb) counterweight

Attachments