320 Hydraulic Excavator

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Product description

The Cat® 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

Net Power - ISO 9249 - 172HP
Engine Model - Cat C4.4e TTA
Engine Power - ISO 14396 - 174HP
Bore - 4in
Stroke - 5in
Displacement - 269in³

Weights

Operating Weight - 49600lb

Working Ranges & Forces

Maximum Digging Depth - 22.1ft
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 - 32.4ft
Maximum Cutting Height - 30.8ft
Maximum Loading Height - 21.4ft
Minimum Loading Height - 7.1ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom - 21.5ft
Maximum Vertical Wall Digging Depth - 17ft
Bucket Digging Force - ISO - 38811lbf
Stick Digging Force - ISO - 23911lbf

Hydraulic System

Main System - Maximum Flow - 429 l/min (113 gal/min)
Maximum Pressure - Equipment - 5075psi
Maximum Pressure - Travel - 4974psi
Maximum Pressure - Swing - 3988psi

Swing Mechanism

Maximum Swing Torque - 60300ft·lbf

Service Refill Capacities

Fuel Tank Capacity - 86.6gal (US)
Cooling System - 6.6gal (US)
Engine Oil - 4gal (US)
Swing Drive - Each - 3.2gal (US)
Final Drive - Each - 1.3gal (US)
Hydraulic System - Including Tank - 61.8gal (US)
Hydraulic Tank - 30.4gal (US)
DEF Tank - 10.3gal (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 - Top of Cab - 9.8ft
Handrail Height - 9.8ft
Shipping Length - 31ft
Tail Swing Radius - 9.3ft
Counterweight Clearance - 3.4ft
Ground Clearance - 1.6ft
Track Length - 14.7ft
Length to Center of Rollers - 12ft
Track Gauge - 7.9ft
Transport Width - 9.8ft

Standard Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Cab
- Rollover protective structure (ROPS)
- Air-adjustable seat with heat (Deluxe only)
- Auto-adjustable seat with heat and air ventilation (Premium only)
- High-resolution 254 mm (10 inch) LCD touchscreen monitor
Cat Technology
- Cat Product Link^™
- Remote Flash
- Remote Troubleshoot
- Cat Grade with 2D
- Cat Assist
- Cat Payload
- E-Fence
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
Engine
- Cat C4.4 twin turbo diesel engine
- Three selectable power modes
- Automatic engine speed control
- 52°C (126°F) ambient cooling capacity
- -32°C (-25°F) cold start capability
- Double element air filter with integrated precleaner
- Reversing electric cooling fans
- Biodiesel capability up to B20
Hydraulic System
- Boom and stick regeneration circuits
- Auto warm up
- Auto two-speed travel
- Auto dig boost
- Boom and stick drift reduction valve
Safety And Security
- Rearview and right-side-view cameras
- Ground-level engine shutoff switch
- Right-hand handrail and hand hold
- Signaling/warning horn
Service And Maintenance
- Sampling ports for Scheduled Oil Sampling (S·O·S)
- Ground-level and platform-level engine oil dipsticks
Undercarriage And Structures
- Tie-down points on base frame

Optional Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Booms And Sticks
- 5.7 m (18'8") Reach boom
- 5.7 m (18'8") HD Reach boom
- 2.8 m (9'2") Stub + 3.3 m (10'10") Fore, VA boom
- 8.85 m (29'0") Super Long Reach boom
- 2.5 m (8'2") Reach stick
- 2.9 m (9'6") Reach stick
- 2.5 m (8'2") HD Reach stick
- 2.9 m (9'6") HD Reach stick
- 2.9 m (9'6") HD Thumb Ready Reach stick
- 6.28 m (20'7") Super Long Reach stick
Cab
- Cat Stick Steer
- Auxiliary relay
Cat Technology
- Cat Grade with Advanced 2D
- Cat Grade with 3D single GNSS
- Cat Grade with 3D dual GNSS
Hydraulic System
- Boom and stick lowering check valves
- Hammer return filter circuit
- Advanced tool control (two pump, one/two way high-pressure flow)
- Medium-pressure circuit
- Quick coupler circuit for Cat pin grabber
Safety And Security
- Cat Detect People Detection
- 360° visibility
- Cat Command remote control
- Swing alarm
- Inspection lighting
Service And Maintenance
- Integrated vehicle health management system
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
- 4.2 mt (9,300 lb) counterweight
- 4.7 mt (10,400 lb) counterweight