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 Model | Cat C7.1 ACERT |
Net Flywheel Power | 157 HP117 kW |
Gross Power - ISO 14396/SAE J1995 | 158 kW118 HP |
Net Power - SAE J1349/ISO 9249 | 157 kW117 HP |
Engine RPM - Operation | 1650 r/min1650 r/min |
Engine RPM - Travel | 1800 r/min1800 r/min |
Bore | 105 mm4 in |
Stroke | 135 mm5 in |
Displacement | 7.01 l428 in³ |
Main System - Maximum Flow - Implement | 429 l/min113 gal/min |
Maximum Pressure - Equipment | 35000 kPa5075 psi |
Maximum Pressure - Equipment - Heavy Lift Mode | 38000 kPa5510 psi |
Maximum Pressure - Travel | 34300 kPa4974 psi |
Maximum Pressure - Swing | 26800 kPa3886 psi |
Maximum Operating Weight | 22000 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 Capacity | 345 l86.6 gal (US) |
Cooling System | 25 l6.6 gal (US) |
Engine Oil | 25 l6.6 gal (US) |
Swing Drive - Each | 5 l1.3 gal (US) |
Final Drive - Each | 5 l1.3 gal (US) |
Hydraulic System - Including Tank | 234 l61.8 gal (US) |
Hydraulic Tank | 115 l30.4 gal (US) |
Boom | Reach 5.7 m (18'8") |
Stick | Reach 2.9 m (9'6") |
Bucket | 1.19 m3 (1.56 yd3) |
Shipping Height - Top of Cab | 2960 mm9.7 ft |
Handrail Height | 2950 mm9.8 ft |
Shipping Length | 9530 mm31.3 ft |
Tail Swing Radius | 2830 mm9.3 ft |
Length - Center of Rollers | 3650 mm12 ft |
Ground Clearance | 470 mm1.5 ft |
Track Gauge | 2380 mm7.8 ft |
Transport Width | 2980 mm9.8 ft |
Counterweight Clearance | 1050 mm3.4 ft |
Boom | Reach 5.7 m (18'8") |
Stick | Reach 2.9 m (9'6") |
Bucket | 1.19 m3 (1.56 yd3) |
Maximum Digging Depth | 6720 mm22 ft |
Maximum Reach at Ground Level | 9860 mm32.3 ft |
Maximum Cutting Height | 9370 mm30.7 ft |
Maximum Loading Height | 6490 mm21.3 ft |
Minimum Loading Height | 2170 mm7.1 ft |
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 6550 mm21.5 ft |
Maximum Vertical Wall Digging Depth | 5190 mm17 ft |
Bucket Digging Force - ISO | 150 kN33811 |
Stick Digging Force - ISO | 106 kN23911 |
Bucket Digging Force - SAE | 134 kN30104 |
Stick Digging Force - SAE | 103 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
Specifications
Engine Model | Cat C7.1 ACERT |
Net Flywheel Power | 157 HP117 kW |
Gross Power - ISO 14396/SAE J1995 | 158 kW118 HP |
Net Power - SAE J1349/ISO 9249 | 157 kW117 HP |
Engine RPM - Operation | 1650 r/min1650 r/min |
Engine RPM - Travel | 1800 r/min1800 r/min |
Bore | 105 mm4 in |
Stroke | 135 mm5 in |
Displacement | 7.01 l428 in³ |
Main System - Maximum Flow - Implement | 429 l/min113 gal/min |
Maximum Pressure - Equipment | 35000 kPa5075 psi |
Maximum Pressure - Equipment - Heavy Lift Mode | 38000 kPa5510 psi |
Maximum Pressure - Travel | 34300 kPa4974 psi |
Maximum Pressure - Swing | 26800 kPa3886 psi |
Maximum Operating Weight | 22000 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 Capacity | 345 l86.6 gal (US) |
Cooling System | 25 l6.6 gal (US) |
Engine Oil | 25 l6.6 gal (US) |
Swing Drive - Each | 5 l1.3 gal (US) |
Final Drive - Each | 5 l1.3 gal (US) |
Hydraulic System - Including Tank | 234 l61.8 gal (US) |
Hydraulic Tank | 115 l30.4 gal (US) |
Boom | Reach 5.7 m (18'8") |
Stick | Reach 2.9 m (9'6") |
Bucket | 1.19 m3 (1.56 yd3) |
Shipping Height - Top of Cab | 2960 mm9.7 ft |
Handrail Height | 2950 mm9.8 ft |
Shipping Length | 9530 mm31.3 ft |
Tail Swing Radius | 2830 mm9.3 ft |
Length - Center of Rollers | 3650 mm12 ft |
Ground Clearance | 470 mm1.5 ft |
Track Gauge | 2380 mm7.8 ft |
Transport Width | 2980 mm9.8 ft |
Counterweight Clearance | 1050 mm3.4 ft |
Boom | Reach 5.7 m (18'8") |
Stick | Reach 2.9 m (9'6") |
Bucket | 1.19 m3 (1.56 yd3) |
Maximum Digging Depth | 6720 mm22 ft |
Maximum Reach at Ground Level | 9860 mm32.3 ft |
Maximum Cutting Height | 9370 mm30.7 ft |
Maximum Loading Height | 6490 mm21.3 ft |
Minimum Loading Height | 2170 mm7.1 ft |
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 6550 mm21.5 ft |
Maximum Vertical Wall Digging Depth | 5190 mm17 ft |
Bucket Digging Force - ISO | 150 kN33811 |
Stick Digging Force - ISO | 106 kN23911 |
Bucket Digging Force - SAE | 134 kN30104 |
Stick Digging Force - SAE | 103 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
360° Interactive
Related Products
Impulse Force
110 kN24669 lb
Cycles/Minimum
2200
Base Plate Width
864 mm34 in
Weight
215 kg473 lb
Width
420 mm16.8 in
Load Rating, Hoisting Hook
10 ton (US)11 ton (US)
Weight
215 kg473 lb
Width
420 mm16.8 in
Load Rating, Hoisting Hook
10 ton (US)11 ton (US)
Weight
240 kg528 lb
Width
550 mm22 in
Load Rating, Hoisting Hook
10 ton (US)11 ton (US)
Weight
240 kg528 lb
Width
550 mm22 in
Load Rating, Hoisting Hook
10 ton (US)11 ton (US)
Weight
380 kg837 lb
Width - Machine Interface
512 mm20.2 in
Lifting Eye Working Load Limit
10 ton (US)11 ton (US)
Capacity
550 l0.72 yd³
Weight - Including Bracket
1400 kg3080 lb
Closing Force
52 kN2.05 Sh Ton
Capacity
750 l0.98 yd³
Weight - Including Bracket
1875 kg4125 lb
Closing Force
66 kN2.6 Sh Ton
Tine Count
4
Shell Type Options
Semi-open
Capacity
600 l0.75 yd³
Tine Count
5
Shell Type Options
Semi-open, Closed
Capacity
400 l0.5 yd³
Tine Count
5
Shell Type Options
Semi-open, Closed
Capacity
750 l1 yd³
Impact Energy Class
4 J2950 ft-lb
Blows per Minute
400-800
Maximum Operating Weight
1866 kg4105.2 lb
Impact Energy Class
4 J2950 ft-lb
Blows per Minute
400-800
Maximum Operating Weight
1785 kg3927 lb
Tool Shaft Diameter
109.5 mm4.31 in
Impact Energy Class
4067 J3000 ft·lbf
Blows per Minute
370-800
Cycle Time - Open
1.6 s1.6 s
Cycle Time - Close
1 s1 s
Crushing Force - Primary Cutter
2687 kN302 Sh Ton
Cycle Time - Close
0.016 0.01
Cycle Time - Open
0.016 0.01
Cycle Time - Open
1.6 s1 s
Cycle Time - Open
1.6 s1.6 s
Cycle Time - Close
1 s1 s
Crushing Force - Tooth Tip
781 kN88 Sh Ton
Cycle Time - Open
1.6 s1.6 s
Cycle Time - Close
1 s1 s
Cutting Force - Blade Throat
110 kN975 Sh Ton
Closing Force - Tip
119 t117 Sh Ton
Closing Force - Rebar Cutter
230 t226 Sh Ton
Capacity - Concrete Thickness
650 mm26 in
Throat Force
6592 kN741 ton-f
Apex Force
3029 kN340 ton-f
Tip Force
1667 kN187 ton-f