50139 - Upper Deck Counterbore Tool

YOU WILL NEED TO PURCHASE THE CUTTER PLATE!!  THIS TOOL ALONE, DOES NOT INCLUDE THE PLATE: SEE YOUR OPTIONS BELOW FOR DIFFERENT ENGINES.

Upper Deck Counterbore Shim Cutter for CAT 3306, 3406.  Hand operated shim cutter. 
To cut the CAT 3408 & 3412, you will need the 50139 Adapter kit. 

ALL CUTTER BITS ARE NON WARRANTY ITEMS

This tool, with the optional cutter plates, can cut different engines, see Monaco Tool Cutter Plates:

• 10225 - Cutter Plate for CAT 3400 & C15
• 10228 - Cutter Plate for CAT 3306
• 50150 - Paccar MX 13

Be Proud to own American Made Tools.

Here is a video of the preparation of your block and operation of our Monaco Tool #50139 Counterbore Tool.