Used Caterpillar 305.5E2 Excavator

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Caterpillar 305.5E2 Compact Hydraulic Excavator Detailed Introduction

Overview

The Caterpillar 305.5E2 is a 5-ton class compact excavator manufactured by Caterpillar Inc., the global leading construction equipment brand. As an upgraded iteration of the 305.5E series, it is tailored for light-to-medium duty construction scenarios, balancing high working efficiency, low fuel consumption, outstanding durability and operator comfort. It is widely favored by individual contractors, municipal engineering teams and construction fleet operators, and is one of the best-selling models in the global small excavator market.

Key Specifications

Parameter	Standard Configuration Value
Operating Weight	5160 – 5420 kg (varies by configuration of track, bucket and attachments)
Net Rated Power	35.5 kW (47.6 hp) @ 2400 rpm
Bucket Capacity	0.16 – 0.34 m³
Max Digging Depth (standard arm)	3810 mm (extended arm option available for max 4200 mm digging depth)
Max Digging Reach	6080 mm
Max Dump Height	4050 mm
Travel Speed	2.7 km/h (low gear) / 4.5 km/h (high gear)
Gradeability	30° (70%)
Emission Standard	Meets China Non-road Stage III / EU Stage IIIA / US EPA Tier 3 requirements

Core System Introduction

1. Engine & Powertrain

The 305.5E2 is equipped with a self-developed Cat C2.4 DI 4-cylinder, water-cooled, 4-stroke diesel engine:

Adopts high-pressure common rail fuel injection technology, with 5~8% lower comprehensive fuel consumption than the previous generation 305.5E, with actual working fuel consumption as low as 3~5 L per hour.
Built-in auto idle speed reduction function, automatically lowers engine speed when the equipment is idle for more than 5 seconds, further reducing fuel waste and operating noise.
Equipped with a high-efficiency side-mounted cooling system, which adapts to high-temperature construction environments up to 45°C, and reduces the risk of overheating under long-term heavy load.

2. Hydraulic System

It adopts Caterpillar's mature load-sensing hydraulic system with dual piston pumps:

Total hydraulic flow reaches 126 L/min, with pressure compensation valve configuration, ensuring smooth compound actions (simultaneous boom lifting, arm retracting and slewing) with no lag, suitable for fine operation scenarios such as pipeline laying and landscaping.
The pilot control joystick has low operating force, reducing operator fatigue during long shifts.
Hydraulic oil replacement cycle is extended to 5000 working hours under normal use, greatly reducing maintenance costs.

3. Operator Cabin & Safety

The cabin is ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certified, meeting global construction safety standards:

Equipped with multi-adjustable suspension seat and adjustable armrests, adapting to operators of different heights.
The sealed cabin has sound insulation design, with internal operating noise lower than 78 dB(A).
The high-definition LCD instrument panel displays real-time data including fuel consumption, water temperature, working hours and fault codes in real time.
Large-area frameless front glass provides 270° wide field of view, minimizing operation blind spots.

4. Maintainability

All daily maintenance points (oil level check, air filter, fuel filter, hydraulic oil filter) are arranged for ground-level access, no need to climb the body for routine inspection.
The engine hood can be opened at a large angle, providing sufficient space for overhaul of the powertrain and hydraulic system.
Optional Cat Product Link telematics system supports remote monitoring of equipment location, working status, fuel consumption and fault warning, which is convenient for fleet management.

Application Scenarios

The 305.5E2 supports fast switching of multiple attachments (hydraulic breaker, wood grapple, auger, quick coupler, etc.), and is suitable for a wide range of scenarios:

Urban municipal works: trench digging, pipeline laying, road maintenance
Landscaping: tree pit digging, site leveling, nursery transplanting
Residential & commercial construction: foundation excavation, small structure demolition
Agricultural water conservancy: irrigation channel digging, farmland consolidation
Material handling: bulk cargo loading and unloading, waste sorting

Core Advantages

High durability: The boom, arm and chassis are made of high-strength wear-resistant steel, and all welds are subject to non-destructive testing, adapting to harsh construction conditions.
High residual value: The 305.5E2 has a 10~15% higher second-hand market value than other 5-ton class excavators of the same age.
Global after-sales support: Caterpillar's global service network provides 24-hour fault response and sufficient supply of original spare parts, reducing equipment downtime.

Non flooded

No accident

Original product

Used Caterpillar 305.5E2 Excavator

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