Used Caterpillar 305.5E2 Excavator

Reading: 2082

Detailed Introduction of CATERPILLAR 305.5E2 Compact Hydraulic Excavator

The Caterpillar 305.5E2 is a 5.5-ton class compact excavator under Caterpillar’s classic E2 small excavator product line. It is tailored for light to medium construction scenarios, balancing high working efficiency, low operating cost and long-term durability, and is widely favored by small construction contractors, rental fleet operators and landscaping service providers around the world.

1. Core Technical Specifications

Parameter	Specific Index
Operating Weight	5,300 kg – 5,600 kg (varies by configuration: canopy/cab, bucket specification, additional counterweight)
Engine	Caterpillar proprietary C2.4 direct-injection turbocharged intercooled diesel engine
Rated Net Power	36.5 kW @ 2200 rpm
Emission Standard	Meets China Stage III / EU Stage IIIA / EPA Tier 4 Interim emission requirements
Standard Bucket Capacity	0.16 m³ – 0.22 m³
Maximum Digging Depth	3,810 mm
Maximum Horizontal Digging Reach	6,140 mm
Maximum Dump Height	4,170 mm
Hydraulic System Pressure	28 MPa
Total Hydraulic Flow	132 L/min
Swing Speed	11 rpm
Travel Speed	0–2.7 km/h (low speed) / 0–4.5 km/h (high speed)
Max Drawbar Pull	50 kN
Fuel Tank Capacity	130 L
Hydraulic Oil Capacity	90 L

2. Core Performance Advantages

2.1 Highly Efficient & Fuel-saving Power System

The matched Cat C2.4 engine has strong power reserve, maintains stable output even under high altitude or continuous heavy load conditions, and requires no complex exhaust aftertreatment system, reducing later maintenance costs. The standard intelligent ECO mode automatically adjusts the matching between engine output and hydraulic power, reducing fuel consumption by up to 15% compared with the previous generation 305.5E model, without sacrificing working efficiency.

2.2 Precise Hydraulic Control

The load-sensing hydraulic system with independent distribution valves realizes smooth composite actions (simultaneous boom lifting, arm pulling and platform swing), which is especially suitable for fine operation scenarios such as trench trimming, foundation leveling and landscape shaping, and the operation accuracy is 20% higher than similar products of the same tonnage.

3. Structural Durability

The boom, arm and bucket are welded with high-strength quenched and tempered steel plates, and stress concentration points such as pin joints are reinforced with thickened plates, which can withstand long-term impact loads in harsh working conditions such as quarries and mountain construction.
The X-type integral cast lower frame has excellent torsion resistance, and is not easy to deform after long-term operation on uneven sites.
The undercarriage parts (track chain, support roller, idler, sprocket) are manufactured by Caterpillar's standard carburizing and quenching process, and their service life is 30% longer than that of competing products of the same level.
The multi-layer sealed central rotary joint effectively avoids oil leakage after long-term high-frequency rotation.

4. Operator Comfort & Safety

The cab meets ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) safety standards, providing all-round safety protection for operators.
The fully adjustable suspension seat, height-adjustable left and right armrests, and ergonomic short-stroke control joystick greatly reduce the fatigue of long-term operation.
The sealed pressurized cab is equipped with a high-efficiency air conditioning system, the internal operating noise is only 78 dB(A), and the dust isolation effect is excellent, which is suitable for construction in extreme weather such as high temperature and sand.
The high-definition LCD monitor displays real-time operating data such as fuel level, hydraulic oil temperature, and fault codes in real time, which is convenient for operators to grasp the equipment status.

5. Maintenance Convenience

All daily maintenance points (fuel filter, oil filter, air filter, oil dipstick, etc.) are arranged on the side of the upper frame, which can be easily accessed when standing on the ground, no need to climb the platform, improving maintenance safety and efficiency.
The replacement interval of engine oil and oil filter is 500 working hours, and the replacement interval of hydraulic oil is as long as 4000 working hours, which greatly reduces the later use cost.
Supported by Caterpillar's global after-sales service network, it provides 7*24 hour technical support and original spare parts supply, minimizing equipment downtime.

6. Application Scenarios

Due to its compact size, easy transportation and strong adaptability, the 305.5E2 is suitable for a wide range of scenarios:

Municipal engineering: pipe laying trenching, sidewalk maintenance, urban greening construction
Rural construction: house foundation excavation, homestead leveling, material handling
Indoor and small space operation: small building demolition, underground space construction, indoor renovation
Rental business: high attendance and low failure rate bring stable return on investment for rental customersIt can also be equipped with a variety of auxiliary tools such as hydraulic breakers, augers, wood grabs and rippers to expand operation functions.

Non flooded

No accident

Original product

Used Caterpillar 305.5E2 Excavator

RELATED PRODUCTS

Caterpillar 308E2

Caterpillar 336D2

Caterpillar 312D

Caterpillar 307E2