We support customized size according to your excavator weight class.

Excavator Thumb Product Overview

1. Product Introduction

An Excavator Thumb is an attachment installed on the stick or boom of an excavator. Used together with a bucket, it allows the machine to grab, clamp, and move irregular objects such as rocks, logs, construction debris, and scrap metal. It significantly enhances the versatility of excavators in demolition, forestry, municipal construction, and material handling applications.

2. Main Types

1. Mechanical Excavator Thumb
   Manually adjustable and cost-effective, suitable for light-duty operations.

2. Hydraulic Excavator Thumb
   Controlled by the hydraulic system, allowing flexible operation from the cab. Ideal for frequent grabbing tasks.

3. Weld-on Thumb
   Permanently welded to the stick for strong and stable performance in long-term applications.

4. Bolt-on Thumb
   Installed with bolts for easier removal and replacement, offering greater flexibility.

3. Core Structure

• High-strength steel body

• Reinforced ribs for enhanced load capacity

• Wear-resistant teeth or tines

• Hydraulic cylinder (for hydraulic type)

• Pins and bushings assembly

4. Main Applications

• Building demolition projects

• Landscaping and forestry operations

• Stone and debris handling

• Agricultural and land clearing work

• Recycling and scrap processing

5. Technical Specifications (Reference)

• Suitable excavator size: 1–40 tons

• Material: High-strength alloy steel

• Opening angle: Up to 120° or more (hydraulic type)

• Surface treatment: Sandblasting, anti-rust primer, weather-resistant coating

6. Product Advantages

• Improves gripping efficiency

• Reduces manual labor costs

• Expands excavator functionality

• Durable structure with easy maintenance

• Compatible with various bucket types

7. Maintenance Tips

• Regularly inspect pins and bushings for wear

• Check hydraulic hoses and fittings for leaks (hydraulic type)

• Clean dirt and debris after operation

• Lubricate moving parts periodically