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Overview

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.

Engine

Units:
Engine Model Cat C4.4 ACERT Cat C4.4 ACERT Less
Net Flywheel Power 162.0 HP 121.0 kW Less
Gross Power - ISO 14396/SAE J1995 164.0 HP 122.0 kW Less
Net Power - SAE J1349/ISO 9249 162.0 HP 121.0 kW Less
Engine RPM - Operation 1650.0 r/min 1650.0 r/min Less
Engine RPM - Travel 1800.0 r/min 1800.0 r/min Less
Bore 4.0 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 269.0 in³ 4.4 l Less

Hydraulic System

Main System - Maximum Flow - Implement 113.0 gal/min 429.0 l/min Less
Maximum Pressure - Equipment - Normal 5075.0 psi 35000.0 kPa Less
Maximum Pressure - Equipment - Heavy Lift Mode 5510.0 psi 38000.0 kPa Less
Maximum Pressure - Travel 4974.0 psi 34300.0 kPa Less
Maximum Pressure - Swing 3886.0 psi 26800.0 kPa Less

Weights

Operating Weight 49600.0 lb 22500.0 kg Less
Operating Weight - North America 49600.0 lb 22500.0 kg Less
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 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 Less
Operating Weight - Europe/Australia & New Zealand 48300.0 lb 21900.0 kg Less
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 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 Less

Service Refill Capacities

Fuel Tank Capacity 86.6 gal (US) 345.0 l Less
Cooling System 6.6 gal (US) 25.0 l Less
Engine Oil 4.0 gal (US) 15.0 l Less
Swing Drive - Each 1.3 gal (US) 5.0 l Less
Final Drive - Each 1.3 gal (US) 5.0 l Less
Hydraulic System - Including Tank 61.8 gal (US) 234.0 l Less
Hydraulic Tank 30.4 gal (US) 115.0 l Less
DEF Tank 10.3 gal (US) 39.0 l Less

Dimensions

Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8") Less
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6") Less
Bucket 1.19 m3 (1.56 yd3) 1.19 m3 (1.56 yd3) Less
Shipping Height - Top of Cab 9.8 ft 2960.0 mm Less
Handrail Height 9.8 ft 2950.0 mm Less
Shipping Length 31.0 ft 9530.0 mm Less
Tail Swing Radius 9.3 ft 2830.0 mm Less
Track Length to Center of Rollers 12.0 ft 3650.0 mm Less
Ground Clearance 1.6 ft 470.0 mm Less
Track Gauge 7.9 ft 2380.0 mm Less
Transport Width - 600 mm (24”) Shoes 9.8 ft 2980.0 mm Less
Transport Width - 790 mm (31 in) Shoes 10.4 ft 3170.0 mm Less
Counterweight Clearance 3.4 ft 1048.0 mm Less

Working Ranges & Forces

Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8") Less
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6") Less
Bucket 1.19 m3 (1.56 yd3) 1.19 m3 (1.56 yd3) Less
Maximum Digging Depth 22.1 ft 6720.0 mm Less
Maximum Reach at Ground Level 32.4 ft 9860.0 mm Less
Maximum Cutting Height 30.8 ft 9370.0 mm Less
Maximum Loading Height 21.4 ft 6490.0 mm Less
Minimum Loading Height 7.1 ft 2170.0 mm Less
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5 ft 6550.0 mm Less
Maximum Vertical Wall Digging Depth 17.0 ft 5190.0 mm Less
Bucket Digging Force - ISO 38811.0 lbf 150.0 kN Less
Stick Digging Force - ISO 23911.0 lbf 106.0 kN Less
Bucket Digging Force - SAE 30104.0 lbf 134.0 kN Less
Stick Digging Force - SAE 23212.0 lbf 103.0 kN Less

320 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

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
  • 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

SAFETY AND SECURITY
  • Right-hand-side camera
  • 360° visibility

PERFORMANCE WITH LESS FUEL

EFFICIENCY THROUGH TECHNOLOGY

DESIGNED FOR OPERATORS

RELIABILITY YOU CAN COUNT ON

SIMPLE TO OPERATE

SAVE ON SERVICE AND MAINTENANCE

SAFELY HOME EVERY DAY