介紹 | Introduction

卡特彼勒（Caterpillar）320D和320D2是兩款廣泛應用于建筑和工程項目的挖掘機。雖然它們都屬于320系列，但在性能、效率和功能方面存在一些關鍵差異。本文將詳細對比這兩款挖掘機的特點和優勢，以幫助您選擇最適合您的二手設備。

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.

主要參數與特點對比 | Key Features and Specifications Comparison

1. 發動機與動力 | Engine and Power

• 320D:

• 型號 | Model: Cat C6.4 ACERT

• 功率 | Power: 103 kW（138 hp）

• 排放標準 | Emission Standard: Tier 3

• 320D2:

• 型號 | Model: Cat C7.1 ACERT

• 功率 | Power: 110 kW（148 hp）

• 排放標準 | Emission Standard: Tier 4 Interim

2. 操作性能 | Operating Performance

• 320D:

• 最大挖掘深度 | Max Dig Depth: 6720 mm

• 鏟斗容量 | 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

• 鏟斗容量 | Bucket Capacity: 1.19 m3

• 操作重量 | Operating Weight: 21500 kg

3. 液壓系統 | Hydraulic System

• 320D:

• 液壓泵流量 | Hydraulic Pump Flow: 232 L/min

• 系統壓力 | System Pressure: 35000 kPa

• 320D2:

• 液壓泵流量 | Hydraulic Pump Flow: 247 L/min

• 系統壓力 | System Pressure: 35000 kPa

4. 操作舒適性 | Operator Comfort

• 320D與320D2均配備舒適駕駛室 | Both 320D and 320D2 feature comfortable cabs:

• 空調 | Air Conditioning

• 懸浮座椅 | Suspension Seat

• 優良的視野 | Excellent Visibility

應用場景 | Application Scenarios

• 卡特320D | Caterpillar 320D：適用于中型項目，經濟實惠，適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：適用于更高要求的項目，提供更高的動力和效率，適合大型建筑和基礎設施項目。Caterpillar 320D2: Suitable for more demanding projects, offers higher power and efficiency, ideal for large construction and infrastructure projects.

購買建議 | Purchase Recommendations

在選擇時，需考慮以下幾點：When choosing, consider the following:

1. 工作環境 | Work Environment：評估設備能否適應工作場地的環境條件。Assess if the equipment can adapt to the conditions of the worksite.

2. 預算 | Budget：根據預算選擇適當配置，確保設備性價比最高。Choose the appropriate configuration based on budget to ensure the best cost-performance ratio.

3. 售后服務 | After-Sales Service：選擇可靠的供應商，確保優質的售后服務和技術支持。Choose a reliable supplier to ensure quality after-sales service and technical support.

結論 | Conclusion

卡特彼勒320D和320D2挖掘機各具特色，320D2在動力和液壓性能上有明顯優勢，適合更高要求的工程項目。而320D則提供了經濟的解決方案，適合中型工程需求。

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.

聯系方式 | Contact Information

公司名稱 | Company Name: 上海挖百萬二手挖掘機市場 網站 | Website: m.yvpkn.cn郵箱 | Email: wabaiwan@qq.com