Cat 305 Excavator Thumb October 13 2016, 3 Comments


Cat 305 Thumb

Caterpillar 305 Thumb

Start handling material like a professional operator. No more tearing up the arm of your machine trying to get a hold of demo debris, trees or boulders. If your looking to improve your Caterpillar 305 adding a manual or hydraulic thumb attachment will allow you to increase productivity and safety while adding value to your machine.  recommends a 32" thumb based on your machines operating weight. 

Our Manual and Hydraulic Thumb :

  • 32" Weld-On Mechanical Thumb - (manual adjusts to 3 positions)
  • 32" Weld-On Fully Hydraulic - (fully retracts against stick using only hydraulics)
  • 36" Pin-on Hydraulic Thumb -  (Built to Spec)
In order to get the most accurate size we suggest you measure your machine as the needed size may vary due to other attachments such as a quick connect. This only takes five minutes.
Cat 305 Thumb Features:
  • Fully Welded Design
  • Solid Steel Center Plate
  • 1/2" Tines with Aggressive 1" teeth
  • Full Retraction and Extension
  • Hardened Steel Pins
  • Universal Mounting 

To get the most accurate size for your machine we suggest you measure to get the perfect fit.

Thumb Measuring Instructions:

1. Place the stick of the machine straight and the bucket angle to form a 90 degree angle with the stick.
2. Measure from the Stick of the machine to the teeth or edge of the bucket.
All of our products are proudly made in America. At  We are dedicated to providing a quality product at an affordable price. Making us the #1 online retailer of Thumb Attachments. Place your order online or give us a call today at 216-400-8222.