CUMMINS Crankshaft – Product Overview
The crankshaft converts the reciprocating motion of the pistons into rotational motion to drive the flywheel and auxiliary systems. It is one of the most critical and heavily loaded components in the engine, requiring precise manufacturing and balancing.
Applications
This Crankshaft is designed for CUMMINS construction equipment and industrial engines. It is compatible with a wide range of machine models and engine configurations. The component is manufactured to meet or exceed original equipment specifications for reliable performance in demanding operating conditions.
Compatible OEM Part Numbers
We supply the following comprehensive list of CUMMINS Crankshaft part numbers. These part numbers cover various machine models, engine configurations, and design revisions:
- Primary Part Number: Crankshaft 3965010
- Also Available: Crankshaft Pulley 3073676
- Also Available: ISF2.8 Engine Crankshaft 5349597
- Also Available: K19 QSK19 Crankshaft Timing Gear 4953337
If your specific part number is not listed, please contact our sales team with your machine model and serial number. We can source most part numbers with short lead times.
Technical Specifications
- Product Type: Crankshaft
- Material: Forged steel / Cast iron
- Journal Finish: Precision ground and polished
- Quality: OEM specification
Installation Guide
- Ensure the machine is on level ground, engine off, and all systems are safely depressurized before starting work.
- Clean the area around the component thoroughly to prevent contamination during removal and installation.
- Refer to the manufacturer service manual for the specific removal and installation procedure.
- Use proper tools and lifting equipment as specified in the service manual.
- Replace all gaskets, seals, and O-rings with new ones during installation.
- Tighten all fasteners to the manufacturer’s specified torque values using a calibrated torque wrench.
- After installation, check for proper operation and leaks before returning the machine to service.
- Perform a test run at low speed and gradually increase to normal operating speed.
Price Range
$500 – $4,500 USD per crankshaft (depending on engine size)
Volume discounts are available for fleet operators and repair shops. Contact our sales team for a firm quote based on your specific part number and quantity requirements.
Maintenance Tips
- Check crankshaft for cracks using magnetic particle inspection.
- Measure main and rod journal diameters for wear.
- Check crankshaft end play during assembly.
- Use new main bearing bolts and caps.
- Ensure proper oil clearance at all bearing journals.
- Balance the crankshaft during engine rebuilding.
Warranty
All products supplied by us are covered by a 12-month warranty against manufacturing defects in materials and workmanship. The warranty covers replacement or repair at our discretion. Proper installation by a qualified technician and adherence to the recommended maintenance schedule are required for warranty validity.
Shipping and Delivery
In-stock items ship within 24-48 hours via express freight (DHL, FedEx, or UPS). Standard delivery time is 5-10 business days worldwide. Expedited shipping options are available upon request. All shipments are fully insured and include tracking information.
Why Choose Our Products?
- Direct OEM replacement with guaranteed fitment and performance
- Rigorous quality testing before shipment
- Competitive pricing with factory-direct supply chain
- Technical support available for installation and troubleshooting
- Proven reliability with thousands of units supplied worldwide
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