

Crankshaft,Engine
Коленчатый Вал Двигателя
Cigüeñal del Motor
This OEM engine crankshaft (part 6649066X) is a precision-engineered engine power conversion rotating assembly designed specifically for Shacman H3000 heavy-duty commercial trucks equipped with Cummins engines. The 6649066X crankshaft converts the reciprocating linear motion of the pistons into rotational torque, delivering power to the flywheel and accessory drive systems while maintaining precise balance and durability under all engine operating conditions.
Manufactured from premium high-grade forged alloy steel with exact dimensional specifications, precision machining and grinding processes, and induction hardened bearing journals, this 6649066X crankshaft withstands continuous extreme torsional and bending stresses, high-frequency cyclic fatigue loading, severe thermal cycling, and prolonged intensive service during demanding heavy-duty commercial vehicle applications.
Replacing a worn, cracked, or bent crankshaft with this genuine 6649066X component restores proper engine power transmission and rotating assembly integrity. The OEM part number guarantees exact dimensional specifications and factory-engineered quality specifically validated for Shacman H3000 Cummins truck engines.
| Parameter | Specification |
|---|---|
| OEM Part Number | 6649066X |
| Product Name | Crankshaft,Engine |
| Brand | Shacman |
| Application | Cummins Engine Rotating Assembly – Forged Steel Crankshaft for Converting Reciprocating Piston Motion into Rotational Torque Output |
| Compatible Model | Shacman H3000 Heavy-Duty Commercial Truck Series with Cummins Engine |
| Component Type | Precision Forged Steel Crankshaft with Main Bearing Journals, Connecting Rod Journals, Counterweights, Flywheel Mounting Flange, and Front Nose for Damper and Pulley |
| Material | High-Strength Forged Alloy Steel with Induction Hardened Bearing Journals, Precision Ground Surface Finish, and Anti-Corrosion Preservation Treatment |
| Manufacturing Process | Precision Hot Forging, CNC Multi-Axis Machining, Induction Hardening of Journals, Precision Grinding, Dynamic Balancing, Dimensional Verification, Magnetic Particle Inspection |
| Function | Engine Rotating Component for Converting Piston Reciprocating Motion to Rotational Torque, Driving Flywheel and Accessories, and Maintaining Dynamic Balance During Engine Operation |
The 6649066X engine crankshaft serves as a vital engine power conversion rotating assembly engineered to convert reciprocating piston motion into rotational torque on Shacman H3000 heavy-duty commercial trucks.
This 6649066X crankshaft provides essential power transmission and dynamic balance, significantly ensuring smooth engine operation and reliable torque delivery through its precisely forged alloy steel construction and induction hardened bearing journals.
The precisely machined main and connecting rod journals of the 6649066X provide optimal bearing clearance and oil film development, ensuring reliable crankshaft rotation during demanding heavy-duty commercial vehicle operations.
This 6649066X component maintains its dimensional stability and fatigue strength throughout its service life, resisting cracking and bending during prolonged exposure to extreme torsional loads and high-frequency cyclic stresses worldwide.
The high-strength forged alloy steel and induction hardened journals of the 6649066X provide exceptional durability and wear resistance, withstanding continuous combustion force transmission throughout the vehicle service life.
The 6649066X crankshaft is manufactured to meet the specific journal dimensions, stroke length, and balance requirements of Shacman H3000 Cummins truck engines, assuring complete compatibility with engine block bearings and connecting rods.
By providing dependable power conversion with durable precision construction, this component contributes directly to engine performance, reliability, and maintained vehicle operation in demanding transport environments worldwide.
The 6649066X crankshaft utilizes precision hot forging and quality-controlled CNC machining that provide consistent dimensional accuracy and reliable power transmission without defects during extended service life.
The precisely controlled journal dimensions and surface finish of the 6649066X ensure proper bearing clearance and oil film development, maintaining reliable crankshaft rotation throughout the vehicle operational lifespan.
The carefully engineered counterweight design and dynamic balancing process of the 6649066X provide enhanced vibration reduction and rotational stability, enabling the crankshaft to maintain smooth operation under extreme engine speed conditions.
Each crankshaft undergoes rigorous quality verification, including dimensional inspection, journal surface measurement, and magnetic particle inspection to guarantee reliable performance in demanding power transmission applications.
The material selection for the 6649066X prioritizes high-strength forged alloy steel for superior fatigue resistance and induction hardened journals for enhanced wear durability in harsh engine operating environments.
The 6649066X crankshaft design has been validated through extensive torsional fatigue and dynamic balance testing to ensure reliable performance throughout the complete vehicle operational interval.
Replacement of a damaged 6649066X crankshaft requires complete engine disassembly, removing the pistons and connecting rods, extracting the main bearing caps, and carefully lifting out the old crankshaft before installing the new component with proper bearing clearance checks.
When installing the new 6649066X crankshaft, ensure that all bearing journals and saddles are immaculately clean, that new main bearings are correctly installed with proper orientation, and that the crankshaft is carefully lowered into position without impacting journal surfaces.
After installation of the 6649066X crankshaft, verify proper main bearing oil clearance, check crankshaft end-play with a dial indicator, confirm smooth rotation without binding, and properly torque all main bearing caps to specification before final engine assembly.
When removing the old 6649066X crankshaft, carefully inspect the engine block bearing saddles, main bearing condition, and connecting rod bearing condition for any signs of abnormal wear, scoring, or damage requiring attention before installing new components.
It is essential to follow proper bearing clearance measurement, journal lubrication, and torque sequence procedures when installing the 6649066X crankshaft, as improper techniques can cause bearing seizure and catastrophic engine damage.
During complete engine overhaul procedures, the 6649066X crankshaft should be carefully evaluated for journal wear, straightness, and crack detection to determine if replacement or machining is necessary to restore proper engine performance.
Each 6649066X crankshaft undergoes thorough dimensional inspection, journal surface verification, and magnetic particle inspection to guarantee strict compliance with OEM engineering specifications and performance requirements.
We provide complete quality documentation for every batch of 6649066X crankshafts, including detailed material certifications and comprehensive inspection reports for vehicle maintenance records and workshop quality assurance compliance.
The crankshaft is tested for dimensional accuracy and structural integrity to ensure proper power transmission and consistent operation in the most demanding vehicle operating environments and climatic conditions worldwide.
Our quality management system includes torsional fatigue testing and dynamic balance verification on the 6649066X to guarantee consistent manufacturing quality and extended operational durability throughout the component lifecycle.
We maintain complete traceability of all materials and processes used in the 6649066X crankshaft, from raw material certification to finished product inspection, ensuring total accountability throughout the entire production and supply process.
Visible journal scoring, surface cracking, or dimensional wear beyond specification on the 6649066X crankshaft indicates fatigue or lubrication failure, requiring immediate replacement to restore proper engine power transmission and prevent catastrophic failure.
Abnormal engine vibration, knocking noise from the bottom end, or low oil pressure related to the 6649066X suggests journal wear or crankshaft damage, necessitating prompt replacement during scheduled engine inspection procedures.
If the crankshaft exhibits bending deformation, fatigue cracking, or structural damage affecting power transmission integrity, the 6649066X component should be replaced immediately to restore proper engine function and prevent complete engine destruction.
Following any engine oil starvation event, bearing seizure, or severe engine overload, the 6649066X crankshaft must be thoroughly inspected and replaced if any signs of journal damage or cracking are detected during professional examination.
If the crankshaft shows signs of journal wear, surface pitting, or dimensional change affecting performance, the 6649066X requires replacement to ensure correct power transmission during vehicle operation on demanding routes.
Standard comprehensive engine inspections should include a detailed examination of the 6649066X crankshaft for early indicators of journal wear, surface condition, or structural integrity requiring prompt corrective action.
Inferior aftermarket crankshafts with incorrect specifications or substandard forging quality can lead to catastrophic engine failure and complete engine destruction. We exclusively supply authentic components like the 6649066X manufactured to precise OEM engineering and quality standards.
The part number 6649066X is clearly identified on packaging for unambiguous verification. Our extensive international logistics infrastructure ensures secure protective packaging and rapid dispatch to any worldwide destination with complete export documentation.
All procurements of 6649066X include comprehensive quality certification, ensuring conformity with local import regulations and vehicle engine documentation requirements applicable in your jurisdiction and operational region worldwide.
We provide highly competitive pricing structures and dependable shipping alternatives for the 6649066X crankshaft, facilitating convenient access for our international clientele to maintain their Shacman H3000 trucks with authentic OEM engine components.
Our dedicated client support team stands prepared to address any technical inquiries or logistical concerns regarding the 6649066X crankshaft, encompassing vehicle engine consultations to comprehensive bulk fleet procurement processing and delivery worldwide.
Complete 6649066X engine crankshaft with precision ground journals and protective preservation coating in specified quantity. Ready for professional installation featuring forged alloy steel construction for dependable power transmission performance.
Expert technical guidance on vehicle engine rotating assembly components and proper installation procedures for the 6649066X crankshaft is readily available. We assist in ensuring reliable engine performance for your Shacman H3000 truck.
Complete quality documentation for 6649066X is available upon request, encompassing material certifications and dimensional inspection reports for your permanent maintenance and vehicle service records.
For current stock availability of the genuine 6649066X crankshaft, please use the contact buttons above.