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.
Caterpillar
320 Hydraulic Excavator
Overview
Photos
Videos
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Interior
360° interior view. Double click on the image to zoom in on any area of the product.
Showroom
Virtual Product Tour. Double click on the hotspots to see in on any area of the product.
Features
Specifications
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Engine
Spec Value Net Power - ISO 9249 172 HP Engine Model Cat C4.4e TTA Engine Power - ISO 14396 174 HP Bore 4 in Stroke 5 in Displacement 269 in³ -
Hydraulic System
Spec Value Main System - Maximum Flow 429 l/min (113 gal/min) Maximum Pressure - Equipment 5075 psi Maximum Pressure - Travel 4974 psi Maximum Pressure - Swing 3988 psi -
Swing Mechanism
Spec Value Maximum Swing Torque 60300 ft·lbf -
Weights
Spec Value Operating Weight 49600 lb -
Service Refill Capacities
Spec Value Fuel Tank Capacity 86.6 gal (US) Cooling System 6.6 gal (US) Engine Oil 4 gal (US) Swing Drive - Each 3.2 gal (US) Final Drive - Each 1.3 gal (US) Hydraulic System - Including Tank 61.8 gal (US) Hydraulic Tank 30.4 gal (US) DEF Tank 10.3 gal (US) -
Dimensions
Spec Value 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 9.8 ft Handrail Height 9.8 ft Shipping Length 31 ft Tail Swing Radius 9.3 ft Counterweight Clearance 3.4 ft Ground Clearance 1.6 ft Track Length 14.7 ft Length to Center of Rollers 12 ft Track Gauge 7.9 ft Transport Width 9.8 ft -
Working Ranges & Forces
Spec Value 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 (8 ft) Level Bottom 21.5 ft Maximum Vertical Wall Digging Depth 17 ft Bucket Digging Force - ISO 38811 lbf Stick Digging Force - ISO 23911 lbf
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
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