Hot Sales Caterpillar 320d Excavator 20 Tons Large Construction Machine Used Excavadora Cat 320 with CE for Sale

Detailed description of 320D excavator:

1. Basic parameters and performance

Tonnage and weight: The working weight of the whole machine is about 20.2-20.3 tons, which belongs to the category of medium-sized excavators.

Bucket capacity: The standard bucket capacity is 0.8-1.0 cubic meters, and rock buckets, wide buckets and other accessories can be selected according to working conditions.

Engine configuration:

Early models are equipped with Cat 3066-E3T engines with a displacement of 6.4 liters and a rated power of 103 kW (140 horsepower)/1800 rpm;

Later upgraded models (such as 320D-E) are equipped with Cat C7.1 ACERT engines, which meet Tier 2/National III emission standards, with power increased to 110-129 kW and better fuel economy.

Environmental performance: Optimize combustion efficiency through electronic fuel injection technology and ACERT system to reduce particulate matter and nitrogen oxide emissions.

2. Core performance features

Hydraulic system:

Adopts dual-pump hydraulic system, main pump flow rate 202 L/min, system pressure 35,000 kPa (5076 psi), improves operation speed and compound action smoothness8;

Boom/arm regeneration circuit design reduces energy loss and shortens cycle time.

Digging capacity:

Maximum digging depth of about 6.64 meters, maximum digging radius of 9.78-9.94 meters, bucket digging force of 109-149 kN, suitable for heavy-duty operations such as earthwork and stonework;

Travel speed 5.3 km/h, rotation speed 10.2 rpm, adapt to complex terrain.

3. Structure and design

Stability and durability:

The track width is 600 mm, the ground length is 4,075 mm, and the reinforced X-type frame design improves the stability of wetland and slope operations;

The boom and arm are made of high-tensile strength steel plates, and the key parts are thickened to extend the service life.

Cab design:

ROPS/FOPS certified cab, equipped with air suspension seat, 7-inch LCD display, supports personalized parameter settings;

Low noise design (≤68 dB), standard supercharged air conditioning system, improves operating comfort.

4. Market positioning and applicable scenarios

Versatility: supports hydraulic quick-change interface, adapts to buckets, hydraulic hammers, grabs and other accessories, suitable for:

Mining (ore loading, platform finishing)

Urban construction (foundation pit excavation, pipeline laying)

Agriculture, forestry and water conservancy (river cleaning, land reclamation).

Economy:

Fuel efficiency is improved by 8-12% compared with the old model, combined with "economic mode" intelligent power management to reduce operating costs;

5. Advantages and disadvantages analysis

Advantages:

Efficient hydraulic system: industry-leading operating efficiency, short cycle time;

Low life cycle cost: long maintenance cycle, centralized filter layout, convenient daily maintenance;

Remote monitoring: equipped with Carter vehicle management system, supports remote monitoring of equipment status.

Disadvantages:

Higher price: The price of the machine is about 30% higher than that of similar models of other brands;

Air filter design: The mesh of the air inlet of early models is larger, and the filter element is easy to get dirty and needs to be cleaned frequently.