JCB 444/448 Series Engine Crankshaft 320/03432 320-03432 for 3CX Excavator

Product Details

Product Overview

This premium replacement crankshaft is specifically designed for JCB 444 and 448 Series diesel engines, commonly used in the JCB 3CX backhoe loader and related heavy equipment. The part is identified by OEM numbers 320/03432 and 320-03432, ensuring a direct fit for your engine rebuild or replacement needs.

Manufactured to OEM size specifications, this crankshaft provides the critical rotating assembly component that converts the linear motion of the pistons into rotational torque. It is an essential part for restoring engine performance, reliability, and longevity in your JCB machinery. This component is suitable for a wide range of applications including excavators, forklifts, bulldozers, and trucks.

Key Features & Benefits

• Exact OEM Fitment: Engineered to match the original JCB 320/03432 and 320-03432 specifications, ensuring a seamless replacement without modification.
• Durable Construction: Built from high-strength materials to withstand the extreme torsional stresses and fatigue of diesel engine operation.
• Precision Machining: Ground and polished to OEM tolerances for optimal bearing clearance and oil film retention.
• Rigorous Testing: Each unit undergoes dimensional inspection and surface hardness verification to guarantee performance.
• Versatile Application: Compatible with JCB 444 and 448 series engines found in 3CX loaders, excavators, and other heavy machinery.
• Extended Service Life: Designed to provide long-lasting performance, reducing downtime and maintenance costs.

Technical Specifications

OEM Cross-Reference

This crankshaft is a direct replacement for the following OEM part numbers:

• JCB 320/03432
• JCB 320-03432

These numbers are stamped or engraved on the original JCB engine component. Please verify your existing part number matches one of these references before ordering to ensure compatibility.

Compatibility

This crankshaft is commonly used for the following engine and equipment applications:

• Engine Models: JCB 444 Series, JCB 448 Series
• Vehicle/Equipment Applications: JCB 3CX Backhoe Loader, JCB Excavators, JCB Forklifts, JCB Bulldozers, JCB Trucks, JCB Loaders, and other industrial equipment using the same engine series.

Note: Fitment is inferred based on engine series. Always verify physical dimensions and OEM part numbers for your specific machine.

Global Supply & Distribution

We ship this JCB crankshaft worldwide, serving major industrial markets across North America, Europe, Asia-Pacific, the Middle East, and Africa. Our logistics network ensures fast and reliable delivery to major ports and inland industrial centers. With extensive export experience, we handle all international trade documentation and customs clearance requirements. Whether you are in the United States, United Kingdom, Australia, or the United Arab Emirates, we can provide a cost-effective shipping solution to minimize your downtime.

Quality Assurance

This product is manufactured under strict quality control standards in our ISO-compliant facility. Each crankshaft is subject to outgoing inspection and a machinery test report is available upon request. The component comes with a 6-month warranty against manufacturing defects. Video inspection of the product before shipment can also be provided to verify its condition and specifications.

FAQ

Q: How can I confirm this crankshaft will fit my JCB 3CX engine?
A: Please verify your engine’s serial number and the existing crankshaft part number. This crankshaft is specifically designed for JCB 444 and 448 series engines. The most reliable way to confirm fitment is to check if your original part number is 320/03432 or 320-03432.

Q: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel mechanic. The crankshaft must be properly lubricated before installation. New main bearings and thrust washers are strongly recommended. Ensure all journals are clean and free of debris. Torque all main bearing cap bolts to the manufacturer’s specifications using a calibrated torque wrench.

Q: Does this crankshaft come with any bearings or seals?
A: This listing is for the crankshaft only. Main bearings, connecting rod bearings, and seals are sold separately. We recommend purchasing a complete engine rebuild kit or bearing set to ensure all components are matched and replaced at the same time for optimal performance.