2021 Caterpillar 320GX

Medium Excavator
320 GX

Main technical specifications

Net Power - ISO 9249
105.6 kW
Operating Weight
19800 kg
Maximum digging depth
6430 mm

Overview
Reliable. Durable. Low-cost. More benefits.
The Cat 320 GX combines reliability, durability, high productivity and low costs to give you more benefits.

advantage
Up to 15% reduction in fuel consumption
Intelligent Mode and synchronized engine and electro-hydraulic control systems give you high performance with low fuel consumption.

Up to 25% More Benefit
A low initial purchase price, low maintenance costs and low fuel consumption mean you get more for your money.

Built for everyday work
Reliability, durability, easy handling and fast loading are just some of the features you expect.

Up to 15% reduction in CO2 emissions
The 320 GX reduces CO2 emissions by up to 15% compared to the previous 320D2 GC.

engine
Net Power - ISO 9249 105.6 kW
Net Power - ISO 9249 (DIN) 144 hp (Metric)
Engine Model Cat C4.4
Engine Power - ISO 14396 110 kW
Engine power - ISO 14396 (DIN) 150 hp (Metric)
Cylinder diameter 105 mm
stroke 127 mm
Displacement 4.4 l
Biodiesel Performance Up to B20 grade can be used¹
emission Meets China National IV non-road emission standards.
Note (1) Net power advertised is the power available at the flywheel at 2000 rpm when the engine is equipped with fan, intake system, exhaust system and alternator. The power advertised is tested to the specified standard in effect at the time of manufacture.
Note (2) ¹Cat diesel engines require ULSD (Ultra-Low Sulfur Diesel, 15 ppm or less) or blends of ULSD with the following lower carbon intensity fuels**: up to 20% biodiesel FAME (Fatty Acid Methyl Ester)* or up to 100% renewable diesel, HVO (Hydrotreated Vegetable Oil) and GTL (Gas-to-liquid) fuels. Refer to guidelines for successful application. Consult your Cat dealer or Caterpillar Machine Oil Recommendations (SEBU6250) for details. *Engine without aftertreatment equipment can use up to 100% biodiesel blends (for blends above 20% biodiesel, consult your Cat dealer). **Tailpipe greenhouse gas emissions of lower carbon intensity fuels are similar to conventional fuels.
Hydraulic system
Main System - Maximum Flow - Implement 429 l/min
Maximum Pressure - Equipment 35000 kPa
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 25000 kPa
Maximum Pressure - Equipment - Normal 35000 kPa
Rotating mechanism
Rotation speed 11.07 r/min
Maximum rotation torque 74 kN·m
weight
Operating Weight 19800 kg
Note Standard undercarriage, reach boom, R2.7 (8'9") stick, General Duty (GD) 0.93 m³ (1.22 yd³) bucket, 600 mm (24") triple grouser shoes and 3600 kg (7,940 lb) counterweight.
Maintenance refill capacity
Fuel tank capacity 103 gal（US）
Cooling system 24.5 l
Engine oil 15 l
Slewing drive 5.5 l
Final Drives - Each 4.5 l
Hydraulic system - including tank 218 l
Hydraulic oil tank 115 l
size
Boom Reach 5.7 m (18'8")
Stick Reach 2.7 m (8'9")
Bucket GD 0.93 m³（1.22 yd³）
Shipping Height – Top of Cab 2950 mm
Armrest height 3010 mm
Shipping Length 9570 mm
Tail turning radius 2830 mm
Counterweight clearance 1040 mm
Ground Clearance 460 mm
Track length 4080 mm
Track gauge 2200 mm
Transport width 2800 mm
Note Track gauge, undercarriage extended with 650 mm (26") shoes; transport width, undercarriage retracted with 650 mm (26") shoes and without ladder
Dimensions
Track roller center distance 3270 mm
Working range and force
Maximum digging depth 6430 mm
Boom Reach 5.7 m (18'8")
Stick Reach 2.7 m (8'9")
Bucket GD 0.93 m³（1.22 yd³）
Maximum ground reach 9580 mm
Maximum cut height 9290 mm
Maximum loading height 6450 mm
Minimum loading height 2460 mm
2440 mm (8 ft) maximum cut depth with flat bottom 6250 mm
Maximum vertical wall digging depth 5510 mm
Bucket Breakout Force - ISO 136 kN
Stick Breaking Force - ISO 106 kN
Working range and digging force
Minimum working equipment radius 3680 mm