Used Caterpillar 305.5E2 Excavator

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Detailed Introduction of Caterpillar 305.5E2 Compact Hydraulic Excavator

The Caterpillar 305.5E2 is a 5.5-ton class compact excavator under Caterpillar’s E2 series of small construction equipment, developed for light and medium-duty operations. It balances strong power, fuel efficiency, flexible operability and high durability, and is widely used in global markets including Asia-Pacific, Europe and North America, as the first choice for small construction contractors and individual operators.

1. Core Specifications

Item	Parameter
Operating Weight	5,160 – 5,480 kg (varies with cab configuration, bucket type and attachments)
Engine Model	Cat C2.4 DI turbocharged diesel engine
Gross Power	36.5 kW / 49 hp @ 2,200 rpm
Emission Standard	Meets EU Stage IIIA / US EPA Tier 3 / China National III emission regulations
Hydraulic System	Load-sensing system, main pump flow 2×62 L/min, working pressure 30.5 MPa
Standard Bucket Capacity	0.16 – 0.25 m³
Maximum Digging Depth	3,820 mm
Maximum Digging Reach	6,080 mm
Maximum Dump Height	4,130 mm
Travel Speed	2.8 km/h (low) / 4.5 km/h (high)
Swing Speed	10 rpm
Ground Pressure	32 kPa

2. Core Performance Advantages

2.1 High Efficiency & Fuel Saving

The direct-injection C2.4 engine has strong adaptability to low-quality fuel on construction sites, with a low failure rate. It delivers 10% higher fuel efficiency than the previous generation 305.5E model under the same workload, reducing daily operating costs. The load-sensing hydraulic system realizes precise flow matching according to operation demand, supports smooth compound movements (synchronous operation of boom, arm, bucket and swing), and has no lag during fine operations such as landscaping and trenching, improving operation efficiency by 15% compared with peers.

2.2 Narrow Space Adaptability

It is equipped with a standard boom offset function (75° left offset, 55° right offset), which can support close-to-wall operation next to buildings, roadside barriers and pipe trenches, perfectly adapting to narrow construction scenarios such as urban alley renovation and indoor demolition.

2.3 Wide Attachment Compatibility

It supports matching with a full range of Caterpillar original attachments, including hydraulic breakers, augers, grapples, rippers and quick couplers, and can switch working modes in 2 minutes to meet diversified operation demands.

3. Operator Comfort & Ergonomic Design

The fully sealed pressurized cab is built with ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) that meet international safety standards, the internal noise level is only 78 dB(A), which is 10% lower than similar products.
The suspension adjustable seat with lumbar support reduces fatigue during long-time continuous operation. The low-effort pilot control levers are arranged ergonomically, and all common operation buttons are within easy reach of the operator.
The high-performance heating and cooling air conditioning system with defrost function adapts to extreme working environments from -20℃ to 45℃. The high-definition LCD monitor displays real-time operation data, fault codes, fuel level and water temperature, so that the operator can grasp the equipment status at any time.

4. Low Maintenance Cost

The replacement interval of oil filters and fuel filters is extended to 500 working hours, and the hydraulic oil replacement cycle reaches 4,000 hours under normal use, which greatly reduces long-term maintenance costs.
All daily maintenance points (engine oil dipstick, fuel drain port, air filter, coolant check port) are arranged at ground level, no need to climb onto the upper frame, which saves 30% of daily inspection time.
The main structural parts (boom, arm, undercarriage) are made of high-strength wear-resistant steel plates, and their service life is 1.5 times longer than that of ordinary small excavators, adapting to harsh working conditions such as mining and heavy earthmoving.
Caterpillar has more than 2,000 service outlets around the world, providing 24/7 after-sales support, and the supply of original spare parts is sufficient, with controllable long-term use costs.

5. Safety Features

Standard travel alarm and swing alarm functions, which automatically remind surrounding personnel when the equipment is moving to avoid safety accidents.
Hydraulic lock function: when the operator leaves the seat, all operation actions are automatically locked to prevent misoperation.
Anti-skid steps and handrails are set on the upper frame to ensure the safety of personnel during inspection and maintenance. Optional rear-view camera eliminates reversing blind spots and improves operation safety in crowded construction sites.

6. Typical Application Scenarios

Urban municipal construction: pipe laying trenching, road maintenance, sidewalk renovation
Landscaping: tree planting pit digging, land clearing, slope shaping
Indoor demolition: building interior wall demolition, waste removal
Agricultural construction: farmland leveling, greenhouse construction, irrigation ditch digging
Small earthmoving works: small building foundation excavation, site leveling, material handling

Non flooded

No accident

Original product

Used Caterpillar 305.5E2 Excavator

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