The Latest Used CAT 308E2 Excavator,cheap Used Cat Excavator with Dozer Blade Thumb Bucket and Rubber Track

Detailed description of Caterpillar 308E2 excavator:

1. Equipment positioning and basic information

Tonnage and type:

The Caterpillar 308E2 is a small crawler backhoe excavator with a total working weight of about 8.16 tons and a standard bucket capacity of 0.38m³. It is positioned as a compact device suitable for narrow urban construction sites, municipal engineering and farmland water conservancy.

Production background:

Designed and produced by Caterpillar, some models are circulated in the Chinese market, using Cat® C3.3 series engines.

2. Core parameters and performance

Power system

Engine:

Equipped with Cat® C3.3 DI Turbo diesel engine, rated power 46-49.7kW (about 62-66.7 horsepower)/2000rpm, displacement 3.33L, cylinder diameter × stroke 94×120mm, optimize fuel efficiency and reduce noise, support high altitude (2500 meters) and low temperature (-15.7℃) start-up.

Fuel and maintenance:

The fuel tank capacity is 135L, the engine oil replacement volume is 11.2L, the coolant is 12.1L, and the hydraulic oil tank is 51L. The maintenance cycle is long and the cost is controllable.

Hydraulic system

Main pump flow:

The main pump flow is 147L/min, and the main system pressure is 28MPa. It combines the advantages of "open center" and "closed center" hydraulic systems to improve fuel efficiency and control accuracy.

Operation optimization:

Standard/strong" dual working modes are standard, and one-button switching is used to balance fuel consumption and efficiency;

Load sensing hydraulic system and 100% pilot control, faster response speed.

Operating performance

Digging force and range:

Bucket digging force 57.1kN, arm digging force 38.9kN, maximum digging depth 4.09-4.21 meters, maximum unloading height 5.3-5.9 meters;

Travel speed 5.1km/h (high gear), rotation speed 10.8rpm, climbing ability 70% (35° slope), track width 450mm, low ground contact pressure, suitable for soft ground.

3. Structure and design features

Compact size:

Transport dimensions are approximately 6080×2320×2560mm, tail turning radius 1.75 meters, minimum ground clearance 370mm, suitable for narrow space operations.

Cab and comfort:

Equipped with a sealed pressurized cab, standard suspension seat, adjustable joystick, air conditioning system and color monitoring screen to improve operating comfort;

Safety configurations such as reversing camera and fluorescent seat belts meet ISO standards.

Maintenance convenience:

Engine maintenance points are concentrated on one side, and the large side door design is easy to inspect;

The modular design simplifies component replacement and reduces downtime.

4. Application scenarios and market positioning

Applicable fields:

Municipal maintenance, pipeline laying, landscaping, small earthwork projects and energy facility construction, especially suitable for narrow construction sites in urban areas.

Competitive advantages:

Energy efficiency and energy saving: The automatic idling function reduces fuel consumption by 10%-15%, and the fuel economy is better than similar models;

Multi-function expansion: Optional accessories such as long bucket rods, hydraulic pipelines and breaker hammers can adapt to various working conditions;

5. Precautions and limitations

Technical limitations:

The energy efficiency and operating accuracy of the hydraulic system are slightly lower than those of new electronic control models;

The emission standard of early models is Tier 2/Euro III, which may be restricted by environmental protection policies.