介绍 | Introduction

卡特彼勒（Caterpillar）320D和320D2是两款广泛应用于建筑和工程项目的挖掘机。虽然它们都属于320系列，但在性能、效率和功能方面存在一些关键差异。本文将详细对比这两款挖掘机的特点和优势，以帮助您选择最适合您的二手设备。

Caterpillar 320D and 320D2 are two widely used excavators in construction and engineering projects. While they both belong to the 320 series, there are key differences in performance, efficiency, and features. This article provides a detailed comparison of their characteristics and advantages to help you choose the best used equipment.

主要参数与特点对比 | Key Features and Specifications Comparison

1. 发动机与动力 | Engine and Power

• 320D:

• 型号 | Model: Cat C6.4 ACERT

• 功率 | Power: 103 kW（138 hp）

• 排放标准 | Emission Standard: Tier 3

• 320D2:

• 型号 | Model: Cat C7.1 ACERT

• 功率 | Power: 110 kW（148 hp）

• 排放标准 | Emission Standard: Tier 4 Interim

2. 操作性能 | Operating Performance

• 320D:

• 最大挖掘深度 | Max Dig Depth: 6720 mm

• 铲斗容量 | Bucket Capacity: 1.19 m³

• 操作重量 | Operating Weight: 20900 kg

• 320D2:

• 最大挖掘深度 | Max Dig Depth: 6780 mm

• 铲斗容量 | Bucket Capacity: 1.19 m³

• 操作重量 | Operating Weight: 21500 kg

3. 液压系统 | Hydraulic System

• 320D:

• 液压泵流量 | Hydraulic Pump Flow: 232 L/min

• 系统压力 | System Pressure: 35000 kPa

• 320D2:

• 液压泵流量 | Hydraulic Pump Flow: 247 L/min

• 系统压力 | System Pressure: 35000 kPa

4. 操作舒适性 | Operator Comfort

• 320D与320D2均配备舒适驾驶室 | Both 320D and 320D2 feature comfortable cabs:

• 空调 | Air Conditioning

• 悬浮座椅 | Suspension Seat

• 优良的视野 | Excellent Visibility

应用场景 | Application Scenarios

• 卡特320D | Caterpillar 320D：适用于中型项目，经济实惠，适合一般的建筑和土方工程。Caterpillar 320D: Suitable for medium-sized projects, cost-effective, ideal for general construction and earthmoving tasks.

• 卡特320D2 | Caterpillar 320D2：适用于更高要求的项目，提供更高的动力和效率，适合大型建筑和基础设施项目。Caterpillar 320D2: Suitable for more demanding projects, offers higher power and efficiency, ideal for large construction and infrastructure projects.

购买建议 | Purchase Recommendations

在选择时，需考虑以下几点：When choosing, consider the following:

1. 工作环境 | Work Environment：评估设备能否适应工作场地的环境条件。Assess if the equipment can adapt to the conditions of the worksite.

2. 预算 | Budget：根据预算选择适当配置，确保设备性价比最高。Choose the appropriate configuration based on budget to ensure the best cost-performance ratio.

3. 售后服务 | After-Sales Service：选择可靠的供应商，确保优质的售后服务和技术支持。Choose a reliable supplier to ensure quality after-sales service and technical support.

结论 | Conclusion

卡特彼勒320D和320D2挖掘机各具特色，320D2在动力和液压性能上有明显优势，适合更高要求的工程项目。而320D则提供了经济的解决方案，适合中型工程需求。

Caterpillar 320D and 320D2 excavators each have their own strengths. The 320D2 offers clear advantages in power and hydraulic performance, making it suitable for more demanding projects. The 320D provides an economical solution for medium-sized projects.

联系方式 | Contact Information

公司名称 | Company Name: 上海挖百万二手挖掘机市场 网站 | Website: www.wabaiwan.com邮箱 | Email: wabaiwan@qq.com