CAT307E2 Used Excavator Japan Original High Quality Lower Hours Machinery Secondhand CAT 307 307E2 320D 320GC on Sale

Detailed description of Caterpillar 307E2 small hydraulic excavator:

1. Equipment positioning and basic information

Tonnage and type:

The Caterpillar 307E2 is a 7-ton small crawler backhoe excavator with a working weight of 6900kg and a standard bucket capacity of 0.35m³. It is suitable for small and medium-sized operations such as municipal engineering, farmland water conservancy, and landscaping.

Production background:

Designed by Caterpillar, some models are circulated in the Chinese market, equipped with Cat® C2.6 DI Turbo engine, and meets the National III emission standard (Tier 3).

2. Core parameters and performance

Power system

Engine:

Equipped with Cat® C2.6 DI Turbo turbocharged diesel engine, rated power 41.5kW (55.6hp), displacement 2.6L, cylinder diameter × stroke 87×110mm, mechanical governor design, optimized fuel efficiency, support high altitude (2500 meters) and low temperature (-15.7℃) start, optional cold start water jacket heating device.

Fuel economy:

Fuel tank capacity 135L, hydraulic oil tank 51L, engine oil replacement volume 10.2L, coolant 11.9L, long maintenance cycle and controllable cost.

Hydraulic system

Main pump flow:

The maximum flow of the main pump is 147L/min, the main overflow pressure is 28MPa, and it is equipped with a load sensing hydraulic system, combining the advantages of "open center" and "closed center" to improve fuel efficiency and operating accuracy.

Operation optimization:

Standard/Strong dual modes, one-button switching to balance fuel consumption and efficiency (Strong mode can increase operating capacity by 15%);

Regeneration circuit design of boom and dipper arm reduces energy loss and improves hydraulic system efficiency.

Operation performance

Digging force and range:

Bucket digging force 50.6kN, digging force of dipper arm 37.1kN;

Maximum digging depth 4070mm, maximum digging height 7240mm, maximum unloading height 5190mm, suitable for narrow space operation;

Travel speed 5.1km/h (high gear), rotation speed 10.8rpm, climbing ability 30° (60% slope).

Stability:

Track width 450mm, low ground contact pressure, tail turning radius 1750mm, X-shaped box section body enhances anti-twisting ability and improves stability in complex terrain.

3. Structure and design features

Compact size:

Transport dimensions are 6070×2300×2540mm (length×width×height), with a minimum ground clearance of 370mm, suitable for urban road transportation and narrow construction sites.

Cab and comfort:

Equipped with a sealed pressurized cab, standard suspension seat, air conditioning system, color monitoring screen and ergonomic pilot control handle;

The cab adopts a corner pillar reinforced structure and integrates safety configurations such as emergency escape hammer and fluorescent seat belts.

Convenient maintenance:

Single-side maintenance design, engine maintenance points are concentrated on one side, and the large side door is easy to repair;

The hydraulic pipeline layout is compact, and the removable bottom plate simplifies component replacement.

4. Application scenarios and market positioning

Applicable fields:

Municipal maintenance, pipeline laying, landscaping, small earthwork projects, especially suitable for urban operations with limited space.

Competitive advantages:

High 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 dozer floating function, hydraulic pipelines and breaker hammers to adapt to various working conditions