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Step-by-Step: How to Use the ATC10225A Shim Cutter Plate for Perfect CAT 3406/C-15 Counterbore Shims

By Blogdashfdhd Adminvsbgfsf

Step-by-Step: How to Use the ATC10225A Shim Cutter Plate for Perfect CAT 3406/C-15 Counterbore Shims

Mechanic Using ATC10225A Shim Cutter Plate on CAT Block

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Oval or thin shims = blown head gaskets. The ATC10225A 5.4" shim cutter plate guarantees perfect cuts on CAT 3406, 3408, and C-15 blocks. This guide shows you how to use it with M50133 or M50139 for leak-free rebuilds.

BUY ATC10225A NOW – $360.00
In Stock β€’ Ships Same Day |

Shipping Weight: 7.00 lbs β€’ Eligible for Free Shipping


Step 1: Install Plate on Counterbore Tool

Secure ATC10225A to M50133 or M50139. Align 5.4" bore with block.

Step 2: Set Depth & Install Bit

Use PT-2200-93 bit. Set depth per CAT spec (e.g., 0.030" shim).

Step 3: Cut the Shim

Rotate tool slowly. Let the 5.4" plate guide a clean, round cut. Vacuum chips.

Step 4: Verify & Install

Mic shim thickness. Install in block. Torque head per CAT sequence.

BUY ATC10225A NOW – $360.00

Shipping Weight: 7.00 lbs β€’ Eligible for Free Shipping

Specs at a Glance

Spec Detail
SKU ATC10225A
Bore 5.4"
Fit CAT 3406/3408/C-15
Replaces PT-2400-15A
Compatible Porta-Tool, M50133, M50139
Price $360.00

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Tags: atc10225a guide, cat 3406 shim cutting, c15 counterbore tutorial, pt2400-15a how to, m50133 shim plate, 3408 block rebuild, diesel shim cutter, counterbore shim step, porta tool instructions, apex tool

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