Caterpillar 306 CR Used Mini Excavator Overview

The Caterpillar 306 CR is a well-known 7.15-ton compact mini hydraulic excavator built for bulk earthmoving, foundation works, road construction and site cleanup. Well-known for its original Cat C2.4 turbo engine, mature load-sensing hydraulic system and solid compact radius tracked chassis, the 306 CR remains one of the most popular used mini excavators among global contractors.

Características principales:

Proven Power Unit The excavator is equipped with the Cat C2.4 four-cylinder turbo diesel engine, delivering 41.7 kW (55.9 HP) net power at 2200 rpm. This reliable factory engine provides strong low-speed torque, stable output under continuous light-medium loads and good fuel economy for long-hour site operations. It supports multiple power modes including ECO mode to save fuel consumption.

Stable Heavy-Duty Build With an operating weight of approximately 7,150 kg, the 306 CR adopts CR compact radius tracked design. Short tail swing avoids collision with obstacles in tight working spaces. Reinforced boom, stick and X-frame structure resist digging impact and extend service life. Steel tracks or rubber tracks are optional to meet different ground requirements.

Versatile Digging & Loading Performance Bucket capacity ranges from 0.22 to 0.28 m³ and maximum digging depth reaches 4,110 mm. The machine efficiently completes foundation excavation, mass earthmoving, backfilling and stockpile loading. Auxiliary hydraulic lines support quick installation of hydraulic breakers, augers for multi-purpose construction tasks.

Sistema hidráulico eficiente Caterpillar’s advanced load-sensing hydraulic system delivers smooth and precise joystick control. Pressure compensation technology enables coordinated multi-function movements and fast cycle times, improving productivity during repeated digging, slewing and dumping operations. Adjustable auxiliary hydraulic flow fits different attachments.

Serviceable & Operator-Centric Design Ground-level service access points simplify daily inspection and routine maintenance to minimize downtime. The spacious operator cab provides good all-around visibility and ergonomic controls, lowering operator fatigue during long working shifts in various construction environments.

Aplicaciones:

The Caterpillar 306 CR Used Mini Excavator is ideal for a range of applications, including:

• General Building Construction: Foundation excavation, site clearing and bulk earthworks.
• Road & Municipal Works: Trenching, slope shaping, backfilling and pipeline installation.
• Land Development: Land grading, embankment construction and pond excavation.
• Small Quarry & Aggregate Handling: Rock loading, overburden removal and stockpile management.

Conclusión:

The Caterpillar 306 CR Used Mini Excavator stands out for its trusted Cat powertrain, stable compact radius design and mature load-sensing hydraulic technology. It is a robust workhorse for light and medium-duty earthmoving projects. Widely traded in the global used machinery market, the 306 CR combines dependable performance and easy spare parts supply, making it a preferred option for contractors looking for a reliable 7.15-ton used mini excavator.