M50149 Counterbore / Shim Cutter Kit – Paccar MX-13 / MX-11 Engines

The M50149 Counterbore Tool Kit is a precision machining solution created for Paccar MX-13 / MX-11 engine blocks. 

This kit includes a cutter plate specifically for MX13 (MX11 Please order M50168 adapter plate) , allowing technicians to recut or clean the upper counterbore ledge (shim surface) for accurate liner protrusion and sealing. Note: this kit version does not include the digital indicator or swing arm assemblies

Designed for professional engine rebuilders and heavy-duty service shops, the M50149 kit supports maintenance and reconditioning of MX-series diesel engines by ensuring the upper counterbore surface is concentric and properly sized, reducing liner misalignment and improving long-term performance.

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Key Features & Benefits

• Tailored for Paccar MX-13 / MX-11 diesel engine counterbore service

• Includes a cutter plate for MX-13 to machine or refine the upper shim / deck ledge surface

• Helps restore correct liner protrusion, sealing integrity, and alignment

• Allows reuse of engine blocks after machining without excessive material removal

• Compatible with full tool set expansions (add indicator/swing arm) 

• Built for durability in workshop and machining environments

• 2203482PE