320

Heavy Equipment

320

Net Flywheel Power
162 HP / 121 kW
Operating Weight
49600 lb / 22500 kg
Gross Power - ISO 14396/SAE J1995
164 HP / 122 kW

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 efficiencies up to 45%. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15%, and a power system that reduces fuel consumption by up to 25% and you have a low-cost-per-unit-of-production excavator that's perfect for medium- to heavy-duty applications.

Engine
Engine Model Cat C4.4 ACERT
Net Flywheel Power 162 HP / 121 kW
Gross Power - ISO 14396/SAE J1995 164 HP / 122 kW
Net Power - SAE J1349/ISO 9249 162 HP / 121 kW
Engine RPM - Operation 1650 r/min
Engine RPM - Travel 1800 r/min
Bore 4 in / 105 mm
Stroke 5 in / 127 mm
Displacement 269 in³ / 4.4 l
Hydraulic System
Main System - Maximum Flow - Implement 113 gal/min / 429 l/min
Maximum Pressure - Equipment - Normal 5075 psi / 35000 kPa
Maximum Pressure - Equipment - Heavy Lift Mode 5510 psi / 38000 kPa
Maximum Pressure - Travel 4974 psi / 34300 kPa
Maximum Pressure - Swing 3886 psi / 26800 kPa
Weights
Operating Weight 49600 lb / 22500 kg
Operating Weight - North America 49600 lb / 22500 kg
Note (1) Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 790 mm (31 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight
Operating Weight - Europe/Australia & New Zealand 48300 lb / 21900 kg
Note (2) Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 600 mm (24 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight
Service Refill Capacities
Fuel Tank Capacity 86.6 gal (US) / 345 l
Cooling System 6.6 gal (US) / 25 l
Engine Oil 4 gal (US) / 15 l
Swing Drive - Each 1.3 gal (US) / 5 l
Final Drive - Each 1.3 gal (US) / 5 l
Hydraulic System - Including Tank 61.8 gal (US) / 234 l
Hydraulic Tank 30.4 gal (US) / 115 l
DEF Tank 10.3 gal (US) / 39 l
Dimensions
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 9.8 ft / 2960 mm
Handrail Height 9.8 ft / 2950 mm
Shipping Length 31 ft / 9530 mm
Tail Swing Radius 9.3 ft / 2830 mm
Track Length to Center of Rollers 12 ft / 3650 mm
Ground Clearance 1.6 ft / 470 mm
Track Gauge 7.9 ft / 2380 mm
Transport Width - 600 mm (24”) Shoes 9.8 ft / 2980 mm
Transport Width - 790 mm (31 in) Shoes 10.4 ft / 3170 mm
Counterweight Clearance 3.4 ft / 1048 mm
Working Ranges & Forces
Boom Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6")
Bucket 1.19 m3 (1.56 yd3)
Maximum Digging Depth 22.1 ft / 6720 mm
Maximum Reach at Ground Level 32.4 ft / 9860 mm
Maximum Cutting Height 30.8 ft / 9370 mm
Maximum Loading Height 21.4 ft / 6490 mm
Minimum Loading Height 7.1 ft / 2170 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5 ft / 6550 mm
Maximum Vertical Wall Digging Depth 17 ft / 5190 mm
Bucket Digging Force - ISO 38811  / 150 kN
Stick Digging Force - ISO 23911  / 106 kN
Bucket Digging Force - SAE 30104  / 134 kN
Stick Digging Force - SAE 23212  / 103 kN

Standard Equipment

  • CAB
    • ROPS, 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
    • Auto engine idle shutdown
    • 46°C (115°F) ambient cooling capacity
    • -32°C (-25°F) cold start capability
    • Reversing electric cooling fans
    • Biodiesel capability up to B20
  • HYDRAULIC SYSTEM
    • Boom and stick regeneration circuits
    • Auto hydraulic warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
  • BOOM AND STICKS
    • 5.7 m (18'8") reach boom, 2.9 m (9'6") stick
  • UNDERCARRIAGE AND STRUCTURES
    • Tie-down points on base frame
  • 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-side camera (Europe only)
    • Right-hand mirror
    • Ground-level engine shutoff switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn

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
    • 52°C (125°F) high-ambient cooling capacity
  • HYDRAULIC SYSTEM
    • Boom and stick lowering check valves
    • Hammer return filter circuit
    • Combined flow/high-pressure auxiliary circuit
    • Medium-pressure 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") 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 for HD boom and stick
    • 4700 kg (10,400 lb) counterweight for SLR boom and stick
  • SAFETY AND SECURITY
    • Right-hand-side camera
    • 360° visibility
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