# 2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN for Sale in Joliet, IL

**URL:** <https://www.constructionequipmentguide.com/used-equipment/caterpillar/thumbs/hydraulic_thumb_fits_cat_303.5%7C304%7C304.5_40mm_pin/id/81552695>

## Listing details

- **Price:** Call for price
- **Listing ID:** 81552695
- **Year:** 2026
- **Manufacturer:** Caterpillar
- **Model:** HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN
- **Category:** Thumbs
- **Stock number:** ET40
- **Location:** Joliet, IL

## Description

SKU: ET40, 2 Teeth Hydraulic Excavator Thumb fits CAT .5 Excavator, Features:, • 2 teeth thumb, one cylinder, • 40mm pin, • Fit CAT .5 and other 40mm pin size mini excavator, • Thumb designed to accept OEM style parts (including cylinder and seal kits), • Paint is yellow and black, Complete thumb set including:, • Thumb structure, • One cylinder, • 2 teeth, • Complete hardware, Shipping Specs:, •, Overall length: 0.9 m or 35.4 in, •, Width: 0.6 m or 23.6 in, •, Height: 0.4 m or 15.7 in, •, Weight: 60 kgs or 132.3 lbs

## Photos

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN](https://media.sandhills.com/img.axd?id=11005641203&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb5e14tdcBEeMjXB8F8okfol)

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN photo 2](https://media.sandhills.com/img.axd?id=11005641214&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb7zpR8iB482bSBroOMwg8dX)

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN photo 3](https://media.sandhills.com/img.axd?id=11005641220&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb7YqHfiI0qYLTf%2boOrudNgA)

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN photo 4](https://media.sandhills.com/img.axd?id=11005641225&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb7XK41RBYYEzcdTOBpcydZS)

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN photo 5](https://media.sandhills.com/img.axd?id=11005641233&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb7cN2ShiJFjeen0h9wuyXKh)

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN photo 6](https://media.sandhills.com/img.axd?id=11005641237&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb6upzYDoYHMPJZpsw9L61DK)

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN photo 7](https://media.sandhills.com/img.axd?id=11005641242&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb5NOD7ERDu04iEi0n6DzFvQ)

![2026 Caterpillar HYDRAULIC THUMB FITS CAT 303.5/304/304.5 40MM PIN photo 8](https://media.sandhills.com/img.axd?id=11005641245&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=yUYbpSBUlb5F6ESTPUsxESzc1iry5UCO)