Piscataway Campus
732-885-5555
Bensalem Campus
877-726-7663

Excavators

320 Hydraulic Excavator

  • Engine Power
    172 HP
  • Net Power
    172 HP
  • Net Flywheel Power
    162 HP
  • Engine Model
    Cat C4.4e TTA
Engine
Engine Power
172 HP
Net Power
172 HP
Net Flywheel Power
162 HP
Engine Model
Cat C4.4e TTA
Gross Power
164 HP
Engine Power
173 HP
Net Power
162 HP
Bore
4 in
Engine RPM
1650 r/min
Stroke
5 in
Engine RPM
1800 r/min
Displacement
269 in³
Hydraulic System
Main System
429 l/min (113 gal/min)
Main System
113 gal/min
Maximum Pressure
5075 psi
Maximum Pressure
5075 psi
Maximum Pressure
5510 psi
Maximum Pressure
4974 psi
Maximum Pressure
3988 psi
Weights
Operating Weight
49600 lb
Note
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
48300 lb
Note
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
Operating Weight
50265 lb
Swing Mechanism
Maximum Swing Torque
60300 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
3.2 gal (US)
Final Drive
1.3 gal (US)
Hydraulic System
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
9.8 ft
Handrail Height
9.8 ft
Shipping Length
31 ft
Tail Swing Radius
9.3 ft
Counterweight Clearance
3.4 ft
Track Length to Center of Rollers
12 ft
Ground Clearance
1.6 ft
Track Length
14.7 ft
Transport Width
9.8 ft
Length to Center of Rollers
12 ft
Track Gauge
7.9 ft
Transport Width
10.4 ft
Transport Width
9.8 ft
Working Ranges & Forces
Maximum Digging Depth
22.1 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
32.4 ft
Maximum Cutting Height
30.8 ft
Maximum Loading Height
21.4 ft
Minimum Loading Height
7.1 ft
Maximum Depth Cut for 2440 mm
21.5 ft
Maximum Vertical Wall Digging Depth
17 ft
Bucket Digging Force
38811 lbf
Stick Digging Force
23911 lbf
Bucket Digging Force
30104 lbf
Stick Digging Force
23212 lbf
Stick Digging Force
23212 lbf
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • CAB
    • ROPS, sound suppression
    • Mechanically adjustable seat
    • High-resolution 203 mm (8 in) LCD touchscreen monitor
  • CAT TECHNOLOGY
    • Cat Product Link
    • Cat GRADE with 2D
  • CAT TECHNOLOGY
    • Cat GRADE with Assist
    • Cat PAYLOAD
    • 2D E-Fence
    • Lift Assist
    • Auto Dig Boost
    • Remote troubleshoot
  • ENGINE
    • Three selectable power modes
    • Auto engine speed control
    • 52°C (126°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
    • Slide joysticks
    • Auto hydraulic warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Advanced tool control - Europe only
  • 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
  • SAFETY AND SECURITY
    • Rear and right-hand-sideview cameras
    • Signaling/warning horn
    • Right-hand mirror
    • Ground-level engine shutoff switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • CAB
    • Air-adjustable seat with heat (Deluxe only)
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
    • Cat Stick Steer
  • CAT TECHNOLOGY
    • Cat GRADE with 3D
    • Cat GRADE with Advanced 2D (not available on SLR)
    • Cat GRADE with 3D (not available on SLR)
  • SAFETY AND SECURITY
    • Cat Command remote control
    • Right-hand-side camera
    • 360° visibility
    • Inspection Lighting
    • Cat Detect People Detection
  • 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
    • Auto Heavy Lift
  • 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
  • ELECTRICAL SYSTEM
    • Premium surround lighting package