Mitsubishi crankshaft China supplier manufacturing Mitsubishi engine crankshaft S4K S4KT CAT 312B E110B E120B E307 R110-7 excavator

Product Overview
As a leading China supplier and manufacturer, we produce genuine Mitsubishi crankshafts for S4K and S4KT diesel engines used in CAT 312B, Hitachi E110B, E120B, Komatsu E307, and Hyundai R110-7 excavators. These OEM-quality components are critical spare parts manufactured in China to restore optimal engine performance in popular excavator models.

Product Identification
• Compatible Mitsubishi Engines: S4K, S4KT (Turbo)
• Equipment Applications: CAT 312B, Hitachi E110B/E120B, Komatsu E307, Hyundai R110-7 Excavators
• Origin: China Manufacturing & Supply

Product Specifications
• Type: Engine Crankshaft
• Material: High-Strength Forged Steel
• Condition: New, OEM-Quality
• Manufacturing: Precision Machined in China to Mitsubishi & OEM Specifications

Key Features
✔️ China Manufacturing Excellence: Produced in ISO-certified Chinese facilities for multiple excavator brands.
✔️ Multi-Brand Excavator Compatibility: Precision-engineered for S4K/S4KT engines in CAT, Hitachi, Komatsu, and Hyundai excavators.
✔️ Excavator-Specific Design: Optimized for the torque characteristics and load cycles of hydraulic excavators.
✔️ Turbo-Ready Construction: Suitable for both naturally aspirated (S4K) and turbocharged (S4KT) applications.
✔️ Precision China Production: Advanced balancing ensures smooth operation in demanding excavator conditions.

Quality Assurance (China Manufacturing Standards)
• 100% new production in China, meets or exceeds original Mitsubishi and excavator OEM specifications.
• Forged steel material certification from certified Chinese mills.
• Critical dimensions verified against original equipment blueprints.
• Comprehensive China factory quality control and testing documentation.

Applications
• Mitsubishi S4K/S4KT engine overhaul in CAT 312B, Hitachi E110B/E120B, Komatsu E307, Hyundai R110-7 excavators.
• Repair of excavator engines with worn, scored, or damaged crankshafts.
• Preventive maintenance for multi-brand excavator fleets.
• Engine performance restoration for popular 10-13 ton excavator models.

Why Choose Our China-Manufactured Mitsubishi Excavator Crankshaft
• Cross-Brand Compatibility: Single component solution for multiple excavator manufacturers.
• Excavator-Specific Engineering: Designed for the unique demands of hydraulic excavation.
• Direct China Manufacturing: Competitive pricing without compromising OEM-compatible quality.
• Reliable China Supplier: Established manufacturer with multi-brand excavator parts expertise.
• Global Supply Capability: Export-ready components from China for worldwide equipment fleets.