Used Caterpillar 308E2 Excavator

Reading: 2048

Detailed Introduction to Caterpillar 308E2 CR Excavator

The Caterpillar 308E2 CR is a 8-ton class compact-radius mini excavator manufactured by Caterpillar Inc., the global leading construction equipment provider. It is designed for narrow-space operation scenarios, balancing high efficiency, low operating cost and strong durability, and is one of the most popular models in the 7-9 ton small excavator segment.

1. Core Specifications

Parameter	Detailed Data
Operating Weight	8,200 – 8,800 kg (varies with configuration: cab/canopy, track type, attachment fitment)
Engine	Cat C3.3B 4-cylinder turbocharged diesel engine, meets Tier 4 Final / Stage IIIB emission standards
Net Rated Power	49.7 kW (66.6 hp) @ 2,200 rpm
Max. Digging Depth (standard arm)	4,330 mm
Max. Digging Reach	6,810 mm
Max. Dump Height	4,860 mm
Bucket Capacity	0.22 – 0.52 m³
Swing Speed	11 rpm
Travel Speed	2.4 km/h (low) / 4.5 km/h (high)
Max. Gradeability	30°
Hydraulic System Working Pressure	28,000 kPa (4,060 psi)
Fuel Tank Capacity	130 L
Rear Swing Radius	1,450 mm (compact radius design, almost equal to the machine width)

2. Performance Advantages

2.1 Narrow Space Adaptability

The ultra-short rear swing design allows the machine to operate freely in confined spaces such as urban alleys, indoor demolition sites, and roadside pipeline construction areas, without risk of collision with surrounding obstacles when rotating. The standard dozer blade supports leveling, backfilling and auxiliary stabilization during heavy digging operations.

2.2 Reliable Power & Low Fuel Consumption

The electronically controlled high-pressure common rail engine delivers high low-end torque, avoids stalling under heavy load conditions, and has an actual operating fuel consumption of only 4-7 L/h, which is 10-15% lower than similar models in the same class, greatly reducing long-term operating costs.

2.3 Smooth Hydraulic System

It is equipped with a load-sensing hydraulic system that distributes flow on demand, ensuring smooth composite operations (simultaneous digging, swinging and lifting) with high operation accuracy. Standard auxiliary hydraulic pipelines support direct connection of various attachments (hydraulic breaker, log grapple, auger, etc.), and optional quick coupler realizes attachment replacement within 2 minutes, greatly improving work efficiency.

2.4 Heavy-duty Undercarriage

The reinforced undercarriage supports both steel and rubber track options: rubber tracks do not damage asphalt pavement, which is suitable for municipal operation scenarios; steel tracks have higher wear resistance for harsh construction sites. The high-traction travel system ensures stable passage on muddy, sloped and uneven sites.

3. Operator Comfort & Safety

The cab meets ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) international safety standards, providing all-round protection for operators.
Ergonomic design: fully adjustable suspended seat, low-effort proportional control joysticks, and sealed cab with internal noise as low as 74 dB(A), greatly reducing fatigue during long-time operation.
Large-area glass windows provide 360° panoramic vision, operators can clearly see the edge of the bucket and tracks, and optional rear-view camera further eliminates blind spots.
Standard LCD monitor displays real-time parameters including fuel level, water temperature, fault code and working hours, and optional heating/air conditioning system adapts to extreme weather conditions.

4. Maintenance Convenience

All daily inspection points (engine oil, hydraulic oil, coolant level, etc.) are accessible at ground level, no need to climb on the machine for routine checks.
Centralized layout of filters reduces daily maintenance time by 30% compared with older models. The hydraulic oil replacement cycle is up to 4,000 working hours, and the engine oil replacement cycle is 500 working hours, reducing maintenance costs.
Optional Caterpillar Product Link™ system supports remote monitoring of equipment location, working hours, fuel consumption and fault warning, which is convenient for fleet management, reduces unplanned downtime.
Caterpillar's global dealer network provides full after-sales support, genuine parts supply and professional maintenance services, and the 308E2 has a very high residual value in the second-hand equipment market.

5. Typical Application Scenarios

Urban municipal works: pipeline trenching, road maintenance, small foundation excavation
Landscaping: tree pit digging, terrain shaping, nursery stock transplanting
Small demolition works: indoor demolition, old residential renovation, small building dismantling
Agricultural works: irrigation ditch excavation, farm infrastructure construction, material handling
Rental market: it is one of the most popular rental models due to its wide applicability, high durability and low maintenance cost.

Non flooded

No accident

Original product

Used Caterpillar 308E2 Excavator

RELATED PRODUCTS

Caterpillar 349D2L

Caterpillar 336D

Caterpillar 315D2GC

Caterpillar 308C