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2020 CAT 306 Used Excavator Mini 6 Tons Secondhand Hydraulic Crawler Digger High Quality in Shanghai Yard 1

2020 CAT 306 Used Excavator Mini 6 Tons Secondhand Hydraulic Crawler Digger High Quality in Shanghai Yard 2

2020 CAT 306 Used Excavator Mini 6 Tons Secondhand Hydraulic Crawler Digger High Quality in Shanghai Yard 3

2020 CAT 306 Used Excavator Mini 6 Tons Secondhand Hydraulic Crawler Digger High Quality in Shanghai Yard 4

2020 CAT 306 Used Excavator Mini 6 Tons Secondhand Hydraulic Crawler Digger High Quality in Shanghai Yard 5

2020 CAT 306 Used Excavator Mini 6 Tons Secondhand Hydraulic Crawler Digger High Quality in Shanghai Yard 6

2020 CAT 306 Used Excavator Mini 6 Tons Secondhand Hydraulic Crawler Digger High Quality in Shanghai Yard

Model:

CAT 306

Year:

2020

Engine power:

40.5 kW

Hours:

4270

Operating weight:

6000KG

Delivery time:

14-20days

Payment term:

T/T

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Reliable Performance, Compact Portability

This 2020 CAT 306 6-ton hydraulic crawler offers dependable, fuel-efficient digging power and low operating costs for tight urban sites where uptime and precision matter. Stored in our Shanghai yard, each unit is fully inspected and serviced, then prepared for export—cleaned, shrink-wrapped and secured on a skid—with compact dimensions, modern CAT styling, reinforced steel tracks and high-quality hydraulic components for long service life. Buyers enjoy fast delivery, transparent inspection reports and reliable aftermarket support, giving a cost-effective secondhand solution that minimizes downtime and preserves resale value.

- Compact Powerful Durable Performance

The 2020 CAT 306 is a used mini crawler excavator in the 6-ton class with a robust hydraulic system and durable undercarriage, currently located in a Shanghai yard. Its compact dimensions and strong hydraulics deliver precise digging, trenching and lifting performance on tight urban sites while offering cost-effective reliability through proven CAT components and serviceable systems. Built with a reinforced boom and arm, efficient travel and swing systems, and a comfortable operator station, the machine combines rugged structural integrity with easy maintenance access to maximize uptime and resale value.

Reliable Used Mini Excavator

This 2020 CAT 306 mini excavator is a used, high-quality secondhand hydraulic crawler digger located in a Shanghai yard. The compact 6-ton machine delivers reliable CAT hydraulic performance for efficient earthmoving, trenching, and landscaping in tight spaces. Well maintained and ready for work, it provides a durable, cost-effective option for contractors seeking a compact excavator.

◎ Compact Urban Power

◎ Reliable Hydraulic Performance

◎ Well Maintained Undercarriage

Efficient, Durable, Versatile Performance

Built in 2020 and refurbished in our Shanghai yard, this CAT 306 used mini excavator marries Caterpillar’s reputation for durability with thoroughly inspected components and tested hydraulics for reliable, long-term performance. As a 6-ton hydraulic crawler it delivers precise digging, smooth proportional controls, stable tracking in confined sites, and fuel-efficient operation ideal for landscaping, utilities, and light demolition. Key features and advantages include a robust CAT engine, reinforced undercarriage, ergonomic operator cab with clear instrumentation, easy-access service points, optional quick coupler and attachments, and a documented service history that maximizes uptime and resale value.

Material introduction

The 2020 CAT 306 used mini excavator is built from high-tensile, heavy-gauge steel for the chassis, boom and arm to ensure structural strength and long service life. Key wear components—bucket, cutting edge, pins and bushings—are made from hardened and forged steel while chromed piston rods, reinforced hydraulic hoses and quality seals protect the hydraulic system. The undercarriage features a reinforced steel track system with corrosion-resistant coatings and the operator cab is a steel-frame assembly with durable panels and tempered safety glass.

◎ Structural Components

◎ Undercarriage & Hydraulics

◎ Cab, Panels & Powertrain

FAQ

What kinds of jobs is the 2020 CAT 306 6-ton mini excavator best suited for?

The CAT 306 is ideal for light-to-medium earthmoving tasks: trenching for utilities, foundation and footing digging for small buildings, landscaping and garden reshaping, road and driveway repair, light demolition, and site preparation on residential or tight commercial sites. Its 6-ton class gives a balance of digging power and mobility for projects that don’t require a full-sized excavator.

Can this secondhand hydraulic crawler excavator operate in confined urban or residential sites?

Yes. As a compact/mini crawler design, it is well suited to confined urban and residential environments where space is limited. Tracks provide stable ground contact in narrow areas and reduce ground disturbance compared with wheeled machines. Always confirm turning radius and clearance for the specific unit and plan access routes and lifting/transport arrangements before arrival.

What attachments work with the CAT 306 and what additional tasks do they enable?

Common compatible attachments include general-purpose and grading buckets, narrow trenching buckets, hydraulic breakers (hammers) for concrete or rock breaking, augers for postholes, hydraulic thumbs or grapples for demolition/handling, and tilt-rotators for precision work. These expand its capabilities to utility install, rock breaking, fencing, tree work, and material handling on small jobsites.

Is the machine suitable for rough, muddy, or steep terrain and for winter conditions?

The crawler undercarriage provides good traction on soft and uneven ground and better stability than wheeled machines. It handles muddy and moderately sloped terrain well, but extreme slopes, very loose rock, or unstable ground require caution and site-specific risk assessment. For winter use, cold-weather fluids, battery conditioning, and block heaters (if fitted) help reliable starting; always follow CAT winter operation guidelines and clear snow/ice from walkways and undercarriage.

What should I check when using or buying this used 2020 CAT 306 from a Shanghai yard?

Inspect service records and total operating hours, look for hydraulic leaks, condition of undercarriage (tracks, rollers, sprockets), wear on buckets and pins, engine performance during a test run, and condition of electrical and control systems. Verify that safety equipment (seat belt, guards, alarms) works. For export buyers, confirm export documentation, shipping arrangements from Shanghai, and local emission or registration requirements.

What are typical operating costs, operator requirements and maintenance needs for this model in work scenarios?

Operating costs include fuel, regular oil and filter changes, hydraulic oil and filter service, track and undercarriage wear parts, and periodic engine/attachment servicing. Fuel use varies with load and duty cycle; for a used unit expect efficiency similar to other 5–7 ton class excavators. Operators should be trained and familiar with the machine’s load charts, controls, and safety procedures. A routine maintenance schedule (daily pre-start checks, greasing, periodic fluid/filter changes) will maximize uptime and resale value.

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