320 CAT Excavator

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320

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.
  • Standard Equipment
  • Optional Equipment
  • Specs

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

Specs

Overview

Long Name:
320 Hydraulic Excavator
Name:
320
Brand:
Caterpillar
Status:
Current

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 / 1650 r/min
Engine RPM - Travel:
1800 r/min / 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