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320 Hydraulic Excavator Specifications
Engine Model Cat C4.4 ACERT
Engine Model Cat C4.4 ACERT
Net Flywheel Power 162 hp
Net Flywheel Power 162 mm H2O

Engine

Engine Model
Cat C4.4 ACERT
Engine Model
Cat C4.4 ACERT
Net Flywheel Power
162 hp
Net Flywheel Power
162 mm H2O
Bore
4 in
Bore
4 in
Stroke
5 in
Stroke
5 in
Displacement
269 in3
Displacement
269 in³
Gross Power – SAE J1995
164 hp
Net Power – SAE J1349
162 hp
Gross Power - SAE J1995
164 mm H2O
Net Power - SAE J1349
162 mm H2O
Engine rpm: Operation
1650 rpm
Engine rpm: Travel
1800 rpm
Engine RPM - Operation
1650 r/min
Engine RPM - Travel
1800 r/min

Weights

Operating Weight- North America
50100 lb
Note
Long undercarriage, 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
Note (1)
Long undercarriage, 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
Operating Weight - North America
49600 lb
Operating Weight - Europe/Australia & New Zealand
48300 lb
Note
Long undercarriage, 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
Note (2)
Long undercarriage, 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

Service Refill Capacities

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

Swing

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

Drive

Maximum Drawbar Pull
46311 lbf
Maximum Drawbar Pull
46311 lbf
Maximum Travel Speed
3.5 mph
Maximum Travel Speed
3.5 mile/h
Maximum gradeability
35°--70%
Maximum Gradeability
35°--70%

Hydraulic System

Main System – Maximum Flow (Total)
113 gal/min
Maximum Pressure - Equipment - Normal
5075 psi
Maximum Pressure – Travel
4974 psi
Maximum Pressure – Swing
3886 psi
Main System - Maximum Flow - Total
113 gal/min
Maximum Pressure - Swing
3886 psi
Maximum Pressure - Travel
4974 psi

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

Shipping Height
10.2 ft
Shipping Length
31.3 ft
Length to Center of Rollers
12.0 ft
Track Length
12.0 ft
Track Gauge
9.3 ft
Transport Width: 600 mm (24 in) Shoes
9.8 ft
Transport Width: 700 mm (28 in) Shoes
10.1 ft
Transport Width: 790 mm (31 in) Shoes
10.4 ft
Counterweight Clearance
3.4 ft
Note
With GD 0.8m3 bucket and 790 mm (35") shoes.
Note
Reach boom as same dimensions as HD reach boom

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

Tail Swing Radius
9.3 ft
Ground Clearance
1.5 ft

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

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

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

Bucket Digging Force (ISO)
103 kN
Maximum Cutting Height
30.7 ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
21.5 ft
Maximum Digging Depth
22 ft
Maximum Loading Height
21.3 ft
Maximum Reach - Ground Level
32.3 ft
Maximum Vertical Wall Digging Depth
17 ft
Minimum Loading Height
7.1 ft

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

Counterweight Clearance
3.4 ft
Length - Center of Rollers
12 ft
Note (1)
With GD 0.8m3 bucket and 790 mm (35") shoes.
Note (2)
Reach boom as same dimensions as HD reach boom
Shipping Height
9.7 ft
Shipping Length
31.3 ft
Track Gauge
7.8 ft
Track Length
12 ft
Transport Width - 600 mm (24 in) Shoes
9.8 ft
Transport Width - 700 mm (28 in) Shoes
10.1 ft
Transport Width - 790 mm (31 in) Shoes
10.4 ft

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

Ground Clearance
1.5 ft
Tail Swing Radius
9.3 ft