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Forged Steel Excavator Engine Crankshaft High Strength Precision Machined for 320D C6.4
Product Details:
| Place of Origin: | Guangdong, China |
| Brand Name: | WNRLN |
| Certification: | ISO 9001:2015 |
| Model Number: | 320D-CS |
Payment & Shipping Terms:
| Minimum Order Quantity: | 2 Pieces |
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| Price: | USD 180-320 / Piece |
| Packaging Details: | WNRLN branded wooden case with VCI anti-rust protection, export-grade pallet |
| Delivery Time: | 5 working days for stock, 15-25 days for production |
| Payment Terms: | T/T,L/C,PayPal,Western Union |
| Supply Ability: | 5000 Pieces per Month |
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Detail Information |
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| Engine Model: | C6.4 | Compatible Excavator: | 320D |
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| Material: | Forged Alloy Steel 42CrMo | Main Journal Diameter: | 85 Mm |
| Connecting Rod Journal Diameter: | 65 Mm | Stroke Length: | 112 Mm |
| Number Of Cylinders: | 6 | Heat Treatment: | Quenched And Tempered |
| Surface Finish: | Precision Ground And Polished | Tensile Strength: | ≥ 980 MPa |
| Highlight: | High Strength Forged Construction,Precision Machined for Accurate Fit,OE Standard Direct Replacement |
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Product Description
Forged Steel Excavator Engine Crankshaft for 320D C6.4
Product Overview
The Forged Steel Excavator Engine Crankshaft is precision-engineered for the 320D C6.4 diesel engine. Manufactured through an advanced high strength forged construction process, this crankshaft delivers exceptional torque transmission and fatigue resistance under the most demanding excavator operating conditions. Every unit is precision machined for accurate fit, ensuring perfect alignment with main bearings and connecting rod journals.
Key Features
High Strength Forged Construction
Forged from premium 42CrMo alloy steel using multi-directional forging technology. The forging process aligns the metallic grain flow along the crankshaft contour, maximizing tensile strength (≥ 980 MPa) and torsional fatigue resistance. This high strength forged construction ensures reliable performance under extreme cyclic loading conditions.
Precision Machined for Accurate Fit
Every crankshaft undergoes CNC precision grinding on main journals (85 mm) and connecting rod journals (65 mm) to tolerances within ±0.005 mm. The precision machined for accurate fit process guarantees exact bearing clearance, minimizing vibration and extending engine service life.
OE Standard Direct Replacement
Designed as a direct drop-in replacement for the 320D C6.4 engine, this crankshaft matches OE dimensions and balance specifications without modification. Plug-and-play installation reduces machine downtime and maintenance costs.
Technical Specifications
| Engine Model | C6.4 |
| Compatible Excavator | 320D |
| Material | Forged Alloy Steel 42CrMo |
| Main Journal Diameter | 85 mm |
| Connecting Rod Journal Diameter | 65 mm |
| Stroke Length | 112 mm |
| Number of Cylinders | 6 |
| Heat Treatment | Quenched and Tempered |
| Surface Finish | Precision Ground and Polished |
| Tensile Strength | ≥ 980 MPa |
| Hardness | HRC 48-52 |
Quality Assurance
Each crankshaft undergoes 100% dimensional inspection, dynamic balancing to G6.3 standard, magnetic particle testing for surface cracks, and ultrasonic testing for internal integrity. Our ISO 9001:2015 certified quality system ensures every unit meets or exceeds OEM performance standards.
Packaging & Delivery
Each crankshaft is coated with anti-rust oil, wrapped in VCI protective film, secured in a custom-fit wooden case with shock-absorbing foam, and shipped on export-grade pallets. Standard delivery: 5 working days for in-stock items, 15-25 days for production orders.
Contact us today for competitive wholesale pricing and technical specifications.
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