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320

Medium Excavators

The Cat® 320 excavator brings premium performance with simple-to-use technologies like Cat Grade with 2D, Grade Assist, and Payload. All standard equipment from the factory to boost your operator efficiencies up to 45%. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15%, and a power system that reduces fuel consumption by up to 25% and you have a low-cost-per-unit-of-production excavator that's perfect for medium- to heavy-duty applications.

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Engine Model Cat C4.4 ACERT

Net Flywheel Power 121 kW

Gross Power - ISO 14396/SAE J1995 122 kW

Net Power - SAE J1349/ISO 9249 121 kW

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FEATURES & BENEFITS

SPECIFICATIONS FOR 320

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Engine

Engine Model	Cat C4.4 ACERT
Net Flywheel Power	121 kW
Gross Power - ISO 14396/SAE J1995	122 kW
Net Power - SAE J1349/ISO 9249	121 kW
Engine RPM - Operation	1650 r/min
Engine RPM - Travel	1800 r/min
Bore	105 mm
Stroke	127 mm
Displacement	4.4 l

Hydraulic System

Main System - Maximum Flow - Implement	429 l/min
Maximum Pressure - Equipment - Normal	35000 kPa
Maximum Pressure - Travel	34300 kPa
Maximum Pressure - Swing	26800 kPa

Weights

Operating Weight	20900 kg
Note (1)	Standard undercarriage, 5.7 m (18'8") reach boom, 2.9 m (9'6") reach�stick, 0.8 m3 (1.05 yd3) GD bucket, 600 mm (24") shoes, 3.7 mt (8,150�lb) counterweight

Service Refill Capacities

Fuel Tank Capacity	345 l
Cooling System	25 l
Engine Oil	15 l
Swing Drive - Each	5 l
Final Drive - Each	5 l
Hydraulic System - Including Tank	234 l
Hydraulic Tank	115 l
DEF Tank	39 l

Dimensions

Boom	Reach Boom 5.7 m (18'8")
Stick	R2.9 m (9'6")
Bucket	0.80 m3 (1.05 yd3
Shipping Height - Top of Cab	2960 mm
Handrail Height	2950 mm
Shipping Length	9520 mm
Tail Swing Radius	2830 mm
Track Length to Center of Rollers	3270 mm
Ground Clearance	470 mm
Track Gauge	2200 mm
Transport Width - 600 mm (24”) Shoes	2800 mm
Counterweight Clearance	1050 mm

Working Ranges & Forces

Boom	Reach Boom 5.7 m (18'8")
Stick	R2.9 m (9'6")
Bucket	0.80 m3 (1.05 yd3
Maximum Digging Depth	6620 mm
Maximum Reach at Ground Level	9760 mm
Maximum Cutting Height	9430 mm
Maximum Loading Height	6590 mm
Minimum Loading Height	2270 mm
Maximum Vertical Wall Digging Depth	5960 mm
Bucket Digging Force - ISO	148 kN
Stick Digging Force - ISO	108 kN
Bucket Digging Force - SAE	133 kN
Stick Digging Force - SAE	105 kN