Used Caterpillar 307E2 Excavator

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Detailed Introduction of CATERPILLAR 307E2 Excavator

The Caterpillar 307E2 is a 7-ton class compact hydraulic excavator under Caterpillar’s E2-series small excavator product line, developed by the global construction equipment leader Caterpillar Inc. It is designed to balance high working efficiency, low operating cost and excellent adaptability for narrow working scenarios, and is widely used in urban construction, municipal maintenance, landscaping and small-scale earthmoving projects around the world.

1. Core Power System

The 307E2 is equipped with a self-developed Cat C2.4 DI 4-cylinder turbocharged water-cooled diesel engine:

Rated net power: 43 kW (57 hp) at 2200 rpm
Meets EU Stage IIIA / US EPA Tier 3 / China Non-road Stage III emission standards
Adopts optimized direct injection technology, delivers up to 10% lower fuel consumption than the previous-generation 307D under typical working conditions, with a 125L large fuel tank to support 8-10 hours of continuous operation on a single refuel.

2. Hydraulic System & Working Performance

It adopts Caterpillar’s mature load-sensing hydraulic system with flow-sharing technology, ensuring smooth and precise control of all working movements:

Main pump maximum flow: 140 L/min, system working pressure: 30.5 MPa
Standard auxiliary hydraulic circuit supports quick switching of attachments including hydraulic breakers, grabs, augers and trenchers; optional Cat Tool Control system allows pre-setting of flow and pressure parameters for different attachments, reducing adjustment time during work switching
Key performance parameters:| Parameter | Value ||-----------|-------|| Operating weight | 6.8-7.2 t (varies by cab/canopy, counterweight and track configuration) || Standard bucket capacity | 0.31-0.38 m³ || Maximum digging depth | 4080 mm || Maximum digging radius | 6210 mm || Maximum dumping height | 4350 mm || Rear swing radius | 1870 mm |
Its compact tail swing design allows free operation in confined spaces such as urban residential areas, narrow road sections and indoor construction sites.

3. Operator Comfort & Ergonomic Design

The 307E2 is available in closed cab and open canopy options to adapt to different market demands:

The closed cab meets ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) safety certification, with pressurized sealing design to isolate dust and noise (cab noise level as low as 74 dB(A))
Equipped with fully adjustable suspended shock-absorbing seat, multi-zone air conditioning system, Bluetooth radio and USB charging port to reduce fatigue during long shifts
Ergonomically arranged control joysticks with low operating force, and a high-definition LCD monitor that displays real-time equipment status including fuel level, water temperature, fault codes and working hours
Panoramic glazing design provides unobstructed view of the bucket and working area, optional rear-view camera further improves operation safety.

4. Maintenance & Total Cost of Ownership

Caterpillar has optimized the maintainability of the 307E2 to reduce long-term operating costs:

All daily inspection points (engine oil, coolant, air filter, hydraulic oil level) are arranged at ground-accessible positions, no need to climb the machine for routine checks
Extended replacement cycle of wearing parts: 500 hours for engine oil and filter, 1000 hours for air filter, 2000 hours for hydraulic oil filter
High-strength reinforced boom, arm and heavy-duty wear-resistant track ensure long service life even under harsh working conditions
Optional Cat Product Link remote monitoring system supports real-time tracking of equipment location, fuel consumption and working status, and pushes maintenance reminders to reduce downtime. Caterpillar’s global after-sales network also ensures timely supply of spare parts and technical support.

5. Typical Application Scenarios

Municipal engineering: trench digging for pipeline laying, road maintenance, sidewalk renovation
Landscaping: planting pit digging, terrain shaping, green belt construction
Agricultural construction: farmland renovation, irrigation ditch digging, rural housing foundation construction
Small demolition work: with hydraulic breaker, for small building demolition and concrete crushing
Material handling: with grab, for bulk material loading and construction waste cleaning.

Core Advantages of 307E2

Class-leading fuel efficiency, low daily operating cost
Precise hydraulic control, adaptable to both heavy earthmoving and fine finishing work
High structural durability, low failure rate of core components
Flexible maneuverability for narrow space operation
Perfect global after-sales service support, high residual value of the whole machine.

Non flooded

No accident

Original product

Used Caterpillar 307E2 Excavator

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