Description
High-Performance Marine Crankshaft
Engineered for reliability in saltwater environments, this compact 13.9cm crankshaft delivers optimal power transmission for marine diesel engines.
✔ Precise Dimensions: 13cm (W) × 10cm (H) × 13.9cm (L)
✔ Lightweight Strength: 1.39kg forged steel construction
✔ Critical Specifications:
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0.025mm journal tolerance
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Nitride-hardened surfaces (58-62 HRC)
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Micro-polished bearing areas
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Marine-grade anti-corrosion treatment
Compatible With:
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Yanmar 4JH series (verify exact models)
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Volvo Penta D4 engines
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Similar 4-cylinder marine diesels
⚠ Technical Note:
"Requires professional installation - always replace main/rod bearings during fitting."
Why Choose This Crankshaft?
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25% more durable than standard cast versions
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Dynamically balanced for vibration-free operation
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Proven in 1,000+ marine engine rebuilds
🔧 Trusted by marine mechanics worldwide