320

Overview

The Cat®320 excavator brings premium performance with simple-to-use technologies like Cat GRADE with 2D, Grade Assist, and Payload – all standard equipment from the factory to boost your operator effi ciencies up to 45 percent. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15 percent, and a power system that reduces fuel consumption byup to 20 percent and you have a low-cost-per-unit-of-production excavator that’s perfect for medium- to heavy-duty applications.
Engine ModelCat C7.1 ACERT
Net Flywheel Power157 HP117 kW
Gross Power - ISO 14396/SAE J1995158 kW118 HP
Net Power - SAE J1349/ISO 9249157 kW117 HP
Engine RPM - Operation1650 r/min1650 r/min
Engine RPM - Travel1800 r/min1800 r/min
Bore105 mm4 in
Stroke135 mm5 in
Displacement7.01 l428 in³
Main System - Maximum Flow - Implement429 l/min113 gal/min
Maximum Pressure - Equipment35000 kPa5075 psi
Maximum Pressure - Equipment - Heavy Lift Mode38000 kPa5510 psi
Maximum Pressure - Travel34300 kPa4974 psi
Maximum Pressure - Swing26800 kPa3886 psi
Maximum Operating Weight22000 kg48500 lb
Note (1)5.7 m (18'8") HD reach boom, 2.9 m (9'6") HD reach stick, HD 1.0 m3 (1.31 yd3 ) bucket, 600 mm (24") triple grouser shoes.
Fuel Tank Capacity345 l86.6 gal (US)
Cooling System25 l6.6 gal (US)
Engine Oil25 l6.6 gal (US)
Swing Drive - Each5 l1.3 gal (US)
Final Drive - Each5 l1.3 gal (US)
Hydraulic System - Including Tank234 l61.8 gal (US)
Hydraulic Tank115 l30.4 gal (US)
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
Bucket1.19 m3 (1.56 yd3)
Shipping Height - Top of Cab2960 mm9.7 ft
Handrail Height2950 mm9.8 ft
Shipping Length9530 mm31.3 ft
Tail Swing Radius2830 mm9.3 ft
Length - Center of Rollers3650 mm12 ft
Ground Clearance470 mm1.5 ft
Track Gauge2380 mm7.8 ft
Transport Width2980 mm9.8 ft
Counterweight Clearance1050 mm3.4 ft
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
Bucket1.19 m3 (1.56 yd3)
Maximum Digging Depth6720 mm22 ft
Maximum Reach at Ground Level9860 mm32.3 ft
Maximum Cutting Height9370 mm30.7 ft
Maximum Loading Height6490 mm21.3 ft
Minimum Loading Height2170 mm7.1 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom6550 mm21.5 ft
Maximum Vertical Wall Digging Depth5190 mm17 ft
Bucket Digging Force - ISO150 kN33811
Stick Digging Force - ISO106 kN23911
Bucket Digging Force - SAE134 kN30104
Stick Digging Force - SAE103 kN23212

320 Standard Equipment

  • CAB
    • ROPS, standard sound suppression
    • Mechanically adjustable seat
    • High-resolution 203 mm (8 in) LCD touchscreen monitor
  • CAT CONNECT TECHNOLOGY
    • Cat Product Link
    • Cat GRADE with 2D
    • Cat GRADE with Assist
    • Cat PAYLOAD
  • ENGINE
    • Three selectable power modes
    • One-touch low idle with auto engine speed control
    • Auto engine idle shutdown
    • 52°C (125°F) high-ambient cooling capacity
    • -18°C (0°F) cold start capability
    • Double element air fi lter with integrated precleaner
    • Reversing electric cooling fans
    • Biodiesel capability up to B20
  • HYDRAULIC SYSTEM
    • Boom and stick regeneration circuits
    • Auto hydraulic warm up
    • Automatic two-speed travel
    • Boom and stick drift reduction valve
    • Slider joysticks
  • BOOM AND STICKS
    • 5.7 m (18'8") HD reach boom, 2.9 m (9'6") HD reach stick
  • UNDERCARRIAGE AND STRUCTURES
    • 600 mm (24") triple grouser shoes
    • Tie-down points on base frame
    • 3700 kg (8,157 lb) counterweight
  • 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
  • SERVICE AND MAINTENANCE
    • Sampling ports for Scheduled Oil Sampling (S-O-S)
    • Ground-level and platform-level engine oil dipsticks
    • Remote flash
  • SAFETY AND SECURITY
    • Rearview camera
    • Right-hand mirror
    • Ground-level engine shutoff switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn

320 Optional Equipment

  • CAB
    • Air-adjustable seat with heat (Deluxe only)
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • CAT CONNECT TECHNOLOGY
    • Cat GRADE with Advanced 2D (not available on SLR)
    • Cat GRADE with 3D (not available on SLR)
  • ENGINE
    • -32°C (-25°F) cold start capability
  • HYDRAULIC SYSTEM
    • Hammer return filter circuit
    • Combined flow/high-pressure auxiliary circuit
    • Quick coupler circuit for Cat Pin Grabber
  • BOOM AND STICKS
    • 8.85 m (29'0") SLR boom, 6.28 m (20'7") SLR stick
  • UNDERCARRIAGE AND STRUCTURES
    • 600 mm (24") double grouser shoes
    • 4200 kg (9,300 lb) counterweight for HD base frame
    • 4700 kg (10,400 lb) counterweight for SLR boom and stick
  • ELECTRICAL SYSTEM
    • Four 1,000 CCA maintenance-free batteries
  • SAFETY AND SECURITY
    • 360° visibility

Exterior

Interior

CVP110

Impulse Force
110 kN24669 lb

Cycles/Minimum
2200

Base Plate Width
864 mm34 in

CW-40S

Weight
215 kg473 lb

Width
420 mm16.8 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

CW-40S

Weight
215 kg473 lb

Width
420 mm16.8 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

CW-40

Weight
240 kg528 lb

Width
550 mm22 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

CW-40

Weight
240 kg528 lb

Width
550 mm22 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

Pin Grabber Excavator Coupler - B-Linkage

Weight
380 kg837 lb

Width - Machine Interface
512 mm20.2 in

Lifting Eye Working Load Limit
10 ton (US)11 ton (US)

G315B

Capacity
550 l0.72 yd³

Weight - Including Bracket
1400 kg3080 lb

Closing Force
52 kN2.05 Sh Ton

G320B

Capacity
750 l0.98 yd³

Weight - Including Bracket
1875 kg4125 lb

Closing Force
66 kN2.6 Sh Ton

GSH420 4-Tine, 600-Liter Orange Peel Grapple

Tine Count
4

Shell Type Options
Semi-open

Capacity
600 l0.75 yd³

GSV520 GC 5-Tine, 400-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open, Closed

Capacity
400 l0.5 yd³

GSV520 GC 5-Tine, 750-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open, Closed

Capacity
750 l1 yd³

H120GC

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1866 kg4105.2 lb

H120GC S

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1785 kg3927 lb

H115E S

Tool Shaft Diameter
109.5 mm4.31 in

Impact Energy Class
4067 J3000 ft·lbf

Blows per Minute
370-800

MP318 Demolition Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Primary Cutter
2687 kN302 Sh Ton

MP318 Universal Jaw

Cycle Time - Close
0.016 0.01

Cycle Time - Open
0.016 0.01

Cycle Time - Open
1.6 s1 s

MP318 Pulverizer Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Tooth Tip
781 kN88 Sh Ton

MP318 Shear Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Cutting Force - Blade Throat
110 kN975 Sh Ton

P215

Closing Force - Tip
119 t117 Sh Ton

Closing Force - Rebar Cutter
230 t226 Sh Ton

Capacity - Concrete Thickness
650 mm26 in

S2050 Straight Scrap & Demolition Shear

Throat Force
6592 kN741 ton-f

Apex Force
3029 kN340 ton-f

Tip Force
1667 kN187 ton-f

Specifications

Engine ModelCat C7.1 ACERT
Net Flywheel Power157 HP117 kW
Gross Power - ISO 14396/SAE J1995158 kW118 HP
Net Power - SAE J1349/ISO 9249157 kW117 HP
Engine RPM - Operation1650 r/min1650 r/min
Engine RPM - Travel1800 r/min1800 r/min
Bore105 mm4 in
Stroke135 mm5 in
Displacement7.01 l428 in³
Main System - Maximum Flow - Implement429 l/min113 gal/min
Maximum Pressure - Equipment35000 kPa5075 psi
Maximum Pressure - Equipment - Heavy Lift Mode38000 kPa5510 psi
Maximum Pressure - Travel34300 kPa4974 psi
Maximum Pressure - Swing26800 kPa3886 psi
Maximum Operating Weight22000 kg48500 lb
Note (1)5.7 m (18'8") HD reach boom, 2.9 m (9'6") HD reach stick, HD 1.0 m3 (1.31 yd3 ) bucket, 600 mm (24") triple grouser shoes.
Fuel Tank Capacity345 l86.6 gal (US)
Cooling System25 l6.6 gal (US)
Engine Oil25 l6.6 gal (US)
Swing Drive - Each5 l1.3 gal (US)
Final Drive - Each5 l1.3 gal (US)
Hydraulic System - Including Tank234 l61.8 gal (US)
Hydraulic Tank115 l30.4 gal (US)
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
Bucket1.19 m3 (1.56 yd3)
Shipping Height - Top of Cab2960 mm9.7 ft
Handrail Height2950 mm9.8 ft
Shipping Length9530 mm31.3 ft
Tail Swing Radius2830 mm9.3 ft
Length - Center of Rollers3650 mm12 ft
Ground Clearance470 mm1.5 ft
Track Gauge2380 mm7.8 ft
Transport Width2980 mm9.8 ft
Counterweight Clearance1050 mm3.4 ft
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
Bucket1.19 m3 (1.56 yd3)
Maximum Digging Depth6720 mm22 ft
Maximum Reach at Ground Level9860 mm32.3 ft
Maximum Cutting Height9370 mm30.7 ft
Maximum Loading Height6490 mm21.3 ft
Minimum Loading Height2170 mm7.1 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom6550 mm21.5 ft
Maximum Vertical Wall Digging Depth5190 mm17 ft
Bucket Digging Force - ISO150 kN33811
Stick Digging Force - ISO106 kN23911
Bucket Digging Force - SAE134 kN30104
Stick Digging Force - SAE103 kN23212

Equipment

320 Standard Equipment

  • CAB
    • ROPS, standard sound suppression
    • Mechanically adjustable seat
    • High-resolution 203 mm (8 in) LCD touchscreen monitor
  • CAT CONNECT TECHNOLOGY
    • Cat Product Link
    • Cat GRADE with 2D
    • Cat GRADE with Assist
    • Cat PAYLOAD
  • ENGINE
    • Three selectable power modes
    • One-touch low idle with auto engine speed control
    • Auto engine idle shutdown
    • 52°C (125°F) high-ambient cooling capacity
    • -18°C (0°F) cold start capability
    • Double element air fi lter with integrated precleaner
    • Reversing electric cooling fans
    • Biodiesel capability up to B20
  • HYDRAULIC SYSTEM
    • Boom and stick regeneration circuits
    • Auto hydraulic warm up
    • Automatic two-speed travel
    • Boom and stick drift reduction valve
    • Slider joysticks
  • BOOM AND STICKS
    • 5.7 m (18'8") HD reach boom, 2.9 m (9'6") HD reach stick
  • UNDERCARRIAGE AND STRUCTURES
    • 600 mm (24") triple grouser shoes
    • Tie-down points on base frame
    • 3700 kg (8,157 lb) counterweight
  • 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
  • SERVICE AND MAINTENANCE
    • Sampling ports for Scheduled Oil Sampling (S-O-S)
    • Ground-level and platform-level engine oil dipsticks
    • Remote flash
  • SAFETY AND SECURITY
    • Rearview camera
    • Right-hand mirror
    • Ground-level engine shutoff switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn

320 Optional Equipment

  • CAB
    • Air-adjustable seat with heat (Deluxe only)
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • CAT CONNECT TECHNOLOGY
    • Cat GRADE with Advanced 2D (not available on SLR)
    • Cat GRADE with 3D (not available on SLR)
  • ENGINE
    • -32°C (-25°F) cold start capability
  • HYDRAULIC SYSTEM
    • Hammer return filter circuit
    • Combined flow/high-pressure auxiliary circuit
    • Quick coupler circuit for Cat Pin Grabber
  • BOOM AND STICKS
    • 8.85 m (29'0") SLR boom, 6.28 m (20'7") SLR stick
  • UNDERCARRIAGE AND STRUCTURES
    • 600 mm (24") double grouser shoes
    • 4200 kg (9,300 lb) counterweight for HD base frame
    • 4700 kg (10,400 lb) counterweight for SLR boom and stick
  • ELECTRICAL SYSTEM
    • Four 1,000 CCA maintenance-free batteries
  • SAFETY AND SECURITY
    • 360° visibility

360° Interactive

Exterior

Interior

Related Products

CVP110

Impulse Force
110 kN24669 lb

Cycles/Minimum
2200

Base Plate Width
864 mm34 in

CW-40S

Weight
215 kg473 lb

Width
420 mm16.8 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

CW-40S

Weight
215 kg473 lb

Width
420 mm16.8 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

CW-40

Weight
240 kg528 lb

Width
550 mm22 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

CW-40

Weight
240 kg528 lb

Width
550 mm22 in

Load Rating, Hoisting Hook
10 ton (US)11 ton (US)

Pin Grabber Excavator Coupler - B-Linkage

Weight
380 kg837 lb

Width - Machine Interface
512 mm20.2 in

Lifting Eye Working Load Limit
10 ton (US)11 ton (US)

G315B

Capacity
550 l0.72 yd³

Weight - Including Bracket
1400 kg3080 lb

Closing Force
52 kN2.05 Sh Ton

G320B

Capacity
750 l0.98 yd³

Weight - Including Bracket
1875 kg4125 lb

Closing Force
66 kN2.6 Sh Ton

GSH420 4-Tine, 600-Liter Orange Peel Grapple

Tine Count
4

Shell Type Options
Semi-open

Capacity
600 l0.75 yd³

GSV520 GC 5-Tine, 400-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open, Closed

Capacity
400 l0.5 yd³

GSV520 GC 5-Tine, 750-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open, Closed

Capacity
750 l1 yd³

H120GC

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1866 kg4105.2 lb

H120GC S

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1785 kg3927 lb

H115E S

Tool Shaft Diameter
109.5 mm4.31 in

Impact Energy Class
4067 J3000 ft·lbf

Blows per Minute
370-800

MP318 Demolition Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Primary Cutter
2687 kN302 Sh Ton

MP318 Universal Jaw

Cycle Time - Close
0.016 0.01

Cycle Time - Open
0.016 0.01

Cycle Time - Open
1.6 s1 s

MP318 Pulverizer Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Tooth Tip
781 kN88 Sh Ton

MP318 Shear Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Cutting Force - Blade Throat
110 kN975 Sh Ton

P215

Closing Force - Tip
119 t117 Sh Ton

Closing Force - Rebar Cutter
230 t226 Sh Ton

Capacity - Concrete Thickness
650 mm26 in

S2050 Straight Scrap & Demolition Shear

Throat Force
6592 kN741 ton-f

Apex Force
3029 kN340 ton-f

Tip Force
1667 kN187 ton-f

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