Used Caterpillar 323D2L Excavator

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Detailed Introduction of Caterpillar 323D2L Hydraulic Excavator

The Caterpillar 323D2L is a 23-ton class heavy-duty crawler excavator developed by Caterpillar Inc., as an upgraded iteration of the classic 323D series. It is designed to balance high operating efficiency, low fuel consumption, extreme durability and low lifecycle cost, making it one of the best-selling models in its class for global construction, mining and municipal engineering scenarios.

1. Core Specifications

Parameter	Details
Operating Weight	22,500 – 24,500 kg (varies with bucket, counterweight and undercarriage configurations)
Rated Net Power	129 kW (173 hp) @ 2,000 rpm
Bucket Capacity	0.8 – 1.5 m³, compatible with general purpose buckets, heavy-duty rock buckets, ditch cleaning buckets and work tools like hydraulic breakers
Max Digging Depth (standard boom/stick)	6,740 mm
Max Horizontal Digging Reach	9,850 mm
Max Loading Height	6,510 mm
Swing Speed	11.5 rpm
Max Travel Speed	5.6 km/h
Gradeability	70% (35°)

2. Powertrain System

The 323D2L is equipped with a Cat C7.1 ACERT™ 6-cylinder inline diesel engine, which supports multiple emission standards (EU Stage IIIA / China Non-road Stage III / other regional low-emission requirements) and is compatible with low-quality diesel in emerging markets:

Optimized combustion system reduces fuel consumption by 8-10% compared to the previous 323D model, under the same operating load
Built-in automatic idle and engine auto-shutdown functions cut unnecessary fuel waste during standby
Triple-stage fuel filtration system and high-efficiency cooling system ensure stable operation in high-temperature (up to 52°C) and high-altitude (up to 3,000 m) scenarios without power derating
Heavy-duty air intake filtration system adapts to dusty construction sites such as quarries and open-pit mines

3. Hydraulic System

Caterpillar’s proprietary load-sensing hydraulic system delivers precise control and high working efficiency:

Dual main pumps provide a total flow of 404 L/min at a maximum working pressure of 35 MPa, ensuring fast boom/stick movement and strong breakout force
Boom and stick regeneration circuits reduce cycle time for repeated digging and loading operations, improving work efficiency by 12% for earthmoving scenarios
High swing torque ensures stable operation on steep slopes and when lifting heavy loads
Hydraulic components are all designed and manufactured by Caterpillar, with a 5,000-hour service life for hydraulic oil under standard working conditions, reducing maintenance costs

4. Structural Durability

The 323D2L is built for heavy-load, long-cycle harsh working scenarios:

Main structural parts (boom, stick, upper frame, undercarriage track frame) are made of high-tensile steel, with 100% stress relief testing after welding, and optional reinforced structural kits for breaker and demolition work
Sealed and lubricated track chains reduce wear between pins and bushings, extending service life by 30% compared to ordinary tracks
ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certified cab frame meets global safety standards
Cast iron counterweight ensures stable operation even at maximum digging radius and lifting load

5. Operator Experience

The cab is designed to reduce operator fatigue and improve work safety:

Pressurized and sealed cab reduces internal noise to 72 dB(A), and isolates dust and exhaust from the working environment
Fully adjustable air-suspension seat, ergonomic pilot control joysticks with low operating force, suitable for long-hour continuous operation
High-resolution color LCD monitor displays real-time operating parameters, fault alarms and maintenance reminders
Wide field of view, with optional rear-view camera to eliminate blind spots
High-performance air conditioning system with 10 adjustable air vents, adapts to extreme cold and hot working environments

6. Maintenance & Lifecycle Cost Advantage

All daily maintenance points (oil level check, filter replacement, grease filling) are accessible from ground level, no need to climb onto the upper frame, reducing maintenance time by 40%
Extended service intervals: engine oil replacement every 500 working hours, air filter replacement every 1,000 working hours, hydraulic oil replacement every 5,000 working hours
Optional Caterpillar Product Link™ remote monitoring system, which supports real-time tracking of equipment location, fuel consumption, working hours and fault codes, convenient for fleet management
Global Caterpillar dealer network provides fast spare parts supply and after-sales service, and the 323D2L has a 15-20% higher residual value than competing models in the same class in the second-hand equipment market

7. Typical Applications

The 323D2L is suitable for a wide range of scenarios:

Municipal engineering: road construction, pipe trench excavation, urban renewal
Building construction: foundation digging, material handling, site clearing
Quarry and mining: overburden stripping, rock loading, breaking work with hydraulic hammers
Water conservancy projects: river dredging, dam construction, irrigation trench digging
Demolition and forestry: demolition with hydraulic shears, log loading and handling

Non flooded

No accident

Original product

Used Caterpillar 323D2L Excavator

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