The M30100-B Front & Rear Crankshaft Seal Installer Tool is a professional-grade service fixture engineered for installing both the front and rear crankshaft seals on Detroit Diesel 60 Series engines. Designed as a direct replacement for the OEM J-35686-B tool, this installer provides precise alignment and controlled press-fit installation to ensure a perfect seal every time.
Built for heavy-duty engine rebuilders, fleet maintenance shops and professional technicians, the M30100-B ensures that seals are installed squarely and at the correct depth—preventing premature seal failure, oil leaks, crank flange damage and misalignment issues often caused by makeshift or incorrect tools.
Its robust, shop-ready construction allows repeated use in high-volume environments, while the tool’s engineered fit supports proper installation of both standard and wear-sleeve–style crank seals used in the 60 Series platform, including EGR and non-EGR variants.
Key Features & Benefits
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Direct cross to J-35686-B for Detroit Diesel 60 Series engines.
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Installs both front and rear crankshaft seals with OEM-level precision.
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Maintains correct seal alignment and depth to prevent leaks and premature wear.
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Heavy-duty construction ideal for rebuild shops and fleet service operations.
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Supports fast, repeatable installations—reducing labor time and rework.
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Essential for engines undergoing full overhaul, seal replacement or in-frame service.
Ideal Applications
Detroit Diesel 60 Series engines including:
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11.1L
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12.7L
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14.0L
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EGR & non-EGR platforms
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