3.5 Ton Mini Excavator Digger 303.5 Used Good Condition Crawler Excavator Digger Cat Caterpillar Excavator for Sales

Caterpillar's 303.5 series belongs to its small excavator product line. The common model is CAT 303.5 CR (Compact Radius), which is designed for narrow space operations. The following is a typical description:

Main technical parameters (taking the latest version as an example):

Operating weight: about 3.5 tons

Engine:

CAT C1.1 turbocharged diesel engine

Meets Tier 4 Final/EU Stage V emission standards

Power about 18.6 kW (25 hp)

Bucket capacity: 0.04–0.2 m³ (optional buckets)

Digging depth: about 2.5–3.2 meters (depending on configuration)

Maximum digging radius: about 5.5 meters

Tail swing radius: zero tail swing design (CR model), suitable for narrow spaces.

Core features:

Flexibility and adaptability:

The tailless swing design allows safe operation when close to walls or obstacles.

Optional rubber tracks reduce damage to the ground.

High efficiency and energy saving:

Load-sensitive hydraulic system, precise control and low fuel consumption.

Automatic idling function reduces fuel consumption.

Operation comfort:

Spacious cab, suspended seat and intuitive control interface.

Optional air conditioning and multi-function display.

Convenient maintenance:

Centralized lubrication points and open engine compartment design facilitate daily inspection.

Long maintenance cycle reduces use costs.

Typical application scenarios:

Municipal engineering (pipeline laying, road repair)

Landscaping and land leveling

Building demolition (indoor or small site)

Agricultural and ranch facility construction

Optional accessories:

Hydraulic breaker, grab bucket, ditch cleaning bucket, angle bucket, etc., to enhance versatility.