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320 GC Hydraulic Excavator

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Engine Model

Cat C4.4 ACERT

Net Flywheel Power

121 hp

Operating Weight- North America

48300 lb

Tail Swing Radius

9.3 ft

Engine

Engine Model: Cat C4.4 ACERT
Net Flywheel Power: 121hp
Engine RPM - Operation: 1650r/min
Engine RPM - Travel: 2000r/min
Gross Power – SAE J1995: 122hp
Net Power – SAE J1349: 121hp
Bore: 4in
Stroke: 5in
Displacement: 269in3
Engine rpm: Operation: 1700rpm
Engine rpm: Travel: 2000rpm
Net Power - ISO 9249: 146HP
Engine Model: Cat C4.4e TA
Net Flywheel Power: 143HP
Bore: 4in
Stroke: 5in
Displacement: 269in³
Gross Power - SAE J1995: 145HP
Net Power - SAE J1349: 143HP
Engine Power - ISO 14396: 148HP

Weights

Operating Weight- North America: 48300lb
Operating Weight: 48300lb
Note (2): Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 700mm(28 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Note: Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 790mm(31 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Operating Weight - Europe: 46958lb
Note: Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 700mm(28 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Note (1): Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 790mm(31 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Operating Weight - North America: 48281lb

Dimensions - Reach Boom - 5.7 m (18'8

Tail Swing Radius: 9.3ft
Ground Clearance: 1.5ft

Hydraulic System

Maximum Pressure - Equipment: 5075psi
Main System – Maximum Flow (Total): 116gal/min
Maximum Pressure - Equipment - Normal: 5075psi
Maximum Pressure – Travel: 4974psi
Maximum Pressure – Swing: 3886psi
Main System - Maximum Flow - Total: 116gal/min
Maximum Pressure - Swing: 3625psi
Maximum Pressure - Travel: 4974psi
Main System - Maximum Flow: 442 l/min (116 gal/min)

Drive

Maximum Gradeability: 35°--70%
Maximum gradeability: 35°--70%
Maximum Travel Speed: 3.6mph
Maximum Drawbar Pull: 46131lbf
Maximum Drawbar Pull: 46131lbf
Maximum Travel Speed: 3.6mile/h

Swing Mechanism

Swing Speed: 11.6r/min
Maximum Swing Torque: 54900ft·lbf

Dimensions

Shipping Length: 31.3ft
Tail Swing Radius: 9.3ft
Counterweight Clearance: 3.4ft
Ground Clearance: 1.5ft
Track Length: 14.7ft
Track Gauge: 7.9ft
Transport Width: 10.4ft

Working Ranges - Reach Boom - 5.7 m (18'8

Maximum Cutting Height: 31ft
Maximum Digging Depth: 22ft
Maximum Loading Height: 21.3ft
Maximum Reach - Ground Level: 32.3ft
Maximum Vertical Wall Digging Depth: 18.7ft
Minimum Loading Height: 7.1ft

Dimensions

Maximum Depth Cut for 2440 mm (8'0") Level Bottom: 21.5ft

Working Ranges - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

Bucket Digging Force (ISO): 28935
Bucket Digging Force (SAE): 25759
Stick Digging Force (ISO): 22281
Stick Digging Force (SAE): 21678
Bucket Digging Force (ISO): 21678lbf

Swing

Swing Speed: 11.6rpm
Maximum Swing Torque: 54440lbf-ft
Maximum Swing Torque: 54440ft·lbf
Swing Speed: 11.6r/min

Service Refill Capacities

Fuel Tank Capacity: 96.2gal
Cooling System: 6.6gal
Engine Oil: 4.0gal
Swing Drive (each): 1.3gal
Final Drive (each): 1.3gal
Hydraulic System (including tank): 57.6gal
Hydraulic Tank: 30.4gal
DEF Tank: 7.9gal
Fuel Tank Capacity: 86.6gal (US)
Cooling System: 6.6gal (US)
Engine Oil: 4gal (US)
Final Drive - Each: 1.1gal (US)
Hydraulic System - Including Tank: 61.8gal (US)
Hydraulic Tank: 30.4gal (US)
DEF Tank: 10.3gal (US)
Swing Drive - Each: 3.2gal (US)

Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Shipping Height: 10.2ft
Shipping Length: 31.3ft
Track Length-Length to Center of Rollers: 10.7ft
Track Gauge: 7.2ft
Transport Width: 790 mm (31 in) Shoes: 10.4ft
Counterweight Clearance: 3.4ft
Note: With HD 1.0m3 bucket and 790 mm shoes.

Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Tail Swing Radius: 9.3ft
Ground Clearance: 1.5ft

Working Ranges: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Maximum Digging Depth: 22ft
Maximum Reach at Ground Level: 32.3ft
Maximum Cutting Height: 31.0ft
Maximum Loading Height: 21.3ft
Minimum Loading Height: 7.1ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom: 21.5ft
Maximum Vertical Wall Digging Depth: 18.7ft

Dimensions - Reach Boom - 5.7 m (18'8

Counterweight Clearance: 3.4ft
Note: With HD 1.0m3 bucket and 790 mm shoes.
Shipping Height: 9.7ft
Shipping Length: 31.3ft
Track Gauge: 7.2ft
Track Length - Center of Rollers: 10.7ft
Transport Width - 790 mm (31 in) Shoes: 10.4ft

Working Ranges & Forces

Stick Digging Force - ISO: 22281lbf

Standard Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Boom And Sticks
- 5.7 m (18'8") Reach boom
Cab
- Rollover protective structure (ROPS)
- Mechanical-suspension seat
- High-resolution 203 mm (8 inch) LCD touchscreen monitor
Cat Technology
- Cat Product Link^™
- Remote Flash
- Remote Troubleshoot
- Auto hammer stop
Electrical
- 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 single turbo engine
- Two selectable power modes
- Auto engine speed control
- Auto engine idle shutdown
- 52° C (125° F) high-ambient cooling capacity
- -32° C (-25° F) cold start capability
- Double element air filter with integrated pre-cleaner
- Reversible electric cooling fans
Hydraulic System
- Boom and stick regeneration circuits
- Boom and stick lowering check valves
- Auto warm up
- Auto two-speed travel
- Boom and stick drift reduction valve
- Slider joysticks
- Tool control (two pumps, one/two way high-pressure flow)
Safety And Security
- Rearview and right-hand-sideview 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
- 3700 kg (8,160 lb) counterweight (Turkey only)
- 4200 kg (9,300 lb) counterweight

Optional Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Boom And Sticks
- 2.9 m (9'6") Reach stick
- 2.5 m (8'2") Reach stick
- 2.9 m (9'6") Semi-HD Reach stick
- 2.5 m (8'2") Semi-HD Reach stick
Safety And Security
- 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