Used Caterpillar 320D2L Excavator

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CATERPILLAR 320D2L Hydraulic Excavator Detailed Introduction

The Caterpillar 320D2L is a 20-ton class medium-sized crawler hydraulic excavator developed and produced by Caterpillar Inc., as an upgraded iteration of the classic D-series excavator lineup. The suffix "L" stands for long/wide undercarriage, which delivers higher stability and adaptability to complex working conditions. It is widely recognized for its outstanding durability, fuel efficiency, and low operation cost, making it one of the best-selling models in the global medium excavator market.

1. Core Specifications (Standard Configuration)

Item	Parameter
Operating Weight	20,300 – 22,900 kg (varies by boom/stick/bucket configuration)
Engine Model	Cat C7.1 ACERT (Advanced Combustion Emission Reduction Technology)
Gross Rated Power	108 kW (145 hp) @ 2,000 rpm
Emission Standard	EU Stage III / US EPA Tier 3
Bucket Capacity	0.8 – 1.2 m³
Max. Digging Depth (standard stick)	6,720 mm
Max. Digging Reach (horizontal)	9,850 mm
Max. Dump Height	6,770 mm
Travel Speed (max.)	5.5 km/h
Swing Speed	11.5 rpm
Ground Pressure	~45 kPa
Main Pump Flow	2 × 202 L/min

2. Key Performance Advantages

2.1 Power & Fuel System

The Cat C7.1 inline 6-cylinder engine is specially optimized for low-quality fuel in emerging markets, equipped with a 3-stage fuel filtration system that supports high-sulfur diesel, avoiding frequent failures caused by poor fuel quality. It eliminates the need for a complex DPF (Diesel Particulate Filter) aftertreatment system, cutting maintenance costs. Compared with the previous 320D model, it delivers up to 10% higher fuel efficiency under the same workload, reducing daily operation expenses.

2.2 Hydraulic System

It adopts a load-sensing hydraulic system with boom and stick regeneration valves, which effectively reduces hydraulic energy loss, ensures smooth and precise compound actions (simultaneous swing, boom lifting and stick operation), and improves operation efficiency by 7%~9% for typical earthmoving tasks. The system also has overload protection to avoid damage to structural parts under heavy load.

2.3 Undercarriage (L Version Exclusive)

The extended and widened crawler frame increases the track contact length, reduces ground pressure, and greatly improves operation stability on soft ground, muddy sites, slopes and mountainous areas. All track shoes are made of high-manganese wear-resistant steel, and supporting rollers, idlers and carrier rollers are equipped with lifetime lubricated seals, extending the undercarriage service life by more than 20% compared with standard undercarriage models.

3. Operator Comfort & Safety

The cab is certified with ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure), providing all-round safety protection for operators.
The pressurized and sealed cab reduces interior noise to below 78 dB(A), equipped with a fully adjustable air suspension seat, automatic climate control system, and ergonomic short-stroke control joysticks to reduce long-term operation fatigue.
The wide frameless glass window provides 360° unobstructed vision, and the rearview camera (optional) eliminates blind spots during reversing and swing operation.
The high-resolution color LCD monitor displays real-time operating data, fault warnings and maintenance reminders, helping operators grasp equipment status at any time.

4. Maintainability & Durability

All daily maintenance points (fuel filter, oil filter, air filter, hydraulic oil level gauge, etc.) are arranged at ground-accessible positions, which cuts routine maintenance time by 30%.
The main structural parts (boom, stick, upper frame, undercarriage frame) are welded with high-strength tensile steel,经过严格的应力测试，可长期承受重载冲击，适合恶劣工况使用。
Long service intervals: 500-hour engine oil change, 5,000-hour hydraulic oil change, greatly reducing downtime.
Optional Cat Product Link telematics system supports remote monitoring of equipment location, working hours, fuel consumption and fault codes, facilitating fleet management.

5. Application Scenarios

The 320D2L is compatible with a variety of optional attachments (hydraulic breaker, grapple, ripper, shear, auger, etc.), and is suitable for almost all medium-sized construction scenarios:

Earthmoving, site preparation and land clearing
Road, bridge and municipal engineering construction
Quarry and small-scale mining operation
Light demolition and material handling
Forestry and agricultural land development

With Caterpillar's global dealer network, sufficient spare parts supply and professional after-sales support, the 320D2L has a very high residual value in the second-hand equipment market, and its short payback period makes it the first choice for construction contractors worldwide.

Non flooded

No accident

Original product

Used Caterpillar 320D2L Excavator

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