The M50011‑B Universal Liner Puller is a robust, professional-grade tool engineered for efficient and safe removal of wet-type cylinder liners in heavy-duty diesel engines. Compatible with bore sizes from 4″ to 6¼″ (100 mm to 159 mm), this liner puller is tailored for use in engines with wet liners only.
Its optimized design accommodates a wide range of engine platforms—such as Caterpillar D398, Cummins K-series, and other heavy-duty units requiring liner pull-out in the 4″ to 6¼″ range.The M50011-B features swing-feet adjustment, a central lead screw pull mechanism, rugged frame construction, and easy setup to streamline liner-service workflows.
Key Features & Benefits
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Wide-range compatibility: Fits wet liners in 4″ to 6¼″ bore engines — ideal for Caterpillar, Cummins, Mack, Volvo and other heavy-duty diesel platforms.
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Wet-liner only specification: Designed exclusively for wet-type liners; not compatible with dry liners or certain EGR style blocks such as the Detroit 60 Series 12.7L/14L.
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Durable professional-use construction: Heavy duty steel body built for frequent shop use, enabling faster liner removal with less risk of damage.
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Time-saving workflow: The tool simplifies liner extraction, reducing downtime and avoiding block damage during overhaul.
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Versatile platform compatibility: Coverage includes an array of heavy-duty OEM units, making it a high-value investment for remanufacturers and rebuild facilities.
Applications
Use the M50011-B when removing wet cylinder liners on heavy-duty diesel engine blocks with bore sizes spanning 4″ to 6¼″. Particularly suited for overhauls of Caterpillar D398, Cummins K-series engines and similar blocks. Not suitable for engines with dry liners or 12.7L/14L Detroit 60 Series EGR blocks.
This liner puller is made for Wet Liners Only
Will not work on 12.7L or 14L EGR 60 series Detroit (See# M30150)
HEAVY ITEM NOT ELIGIBLE FOR FREE SHIPPING
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ATC6400 Universal Cylinder Liner Puller – 4″ to 6¼″ Bore, Up to 15″ Depth
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