Medium Excavators 320 - Tier 4F / EU Stage V

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Key Specs

Net Power - ISO 9249
172 HP
128 kW
Operating Weight
50265 lb
22800 kg
Maximum Digging Depth
22.1 ft
6720 mm

Overview

Moving the Standard Higher

The 320 raises the bar for efficiency and fuel economy in this size class. With the industry’s highest level of standard factory technology, a new cab focused on operator comfort, plus lower fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.

Benefits

Up To 25% Less Fuel Consumption

A precise combination of lower engine speed and a large hydraulic pump delivers top performance while burning less fuel.

Up To 20% Lower Maintenance Costs

With extended and more synchronized maintenance intervals, you get more done at a lower cost compared to the previous model.

Up To 45% More operating efficiency

Offering the industry’s highest level of standard factory-equipped technology, including Cat Grade with 2D, Grade with Assist and Payload.

Product Specifications for 320 - Tier 4F / EU Stage V

Net Power - ISO 9249 172 HP 128 kW
Engine Model Cat C4.4e TTA Cat C4.4e TTA
Engine Power - ISO 14396 173 HP 129 kW
Bore 4 in 105 mm
Stroke 5 in 127 mm
Displacement 269 in³ 4.4 l
Main System - Maximum Flow 429 l/min (113 gal/min) 429 l/min (113 gal/min)
Maximum Pressure - Equipment 5075 psi 35000 kPa
Maximum Pressure - Travel 4974 psi 34300 kPa
Maximum Pressure - Swing 3988 psi 27500 kPa
Maximum Swing Torque 60300 ft·lbf 82 kN·m
Operating Weight 50265 lb 22800 kg
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 3.2 gal (US) 12 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
Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket 1.19 m ³ (1.56 yd³) 1.19 m ³ (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
Counterweight Clearance 3.4 ft 1048 mm
Ground Clearance 1.6 ft 470 mm
Track Length 14.7 ft 4450 mm
Length to Center of Rollers 12 ft 3650 mm
Track Gauge 7.9 ft 2380 mm
Transport Width 9.8 ft 2980 mm
Maximum Digging Depth 22.1 ft 6720 mm
Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket 1.19 m ³ (1.56 yd³) 1.19 m ³ (1.56 yd³)
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 lbf 150 kN
Stick Digging Force - ISO 23911 lbf 106 kN

320 - Tier 4F / EU Stage V Standard Equipment

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

320 - Tier 4F / EU Stage V Optional Equipment

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

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