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Product Details
Product Overview
This high-output JFZ2520 Alternator is a direct replacement unit designed for use with specific Caterpillar engine configurations, including models commonly associated with the E320 and E320B excavator series. With a robust output of 28V and 55A, this alternator ensures reliable electrical system performance for heavy equipment operating in demanding environments.
Identified by the OEM reference number 34368-01100, this alternator is engineered to meet the original specifications for the S6K engine platform. It is an ideal solution for maintenance, repair, and overhaul (MRO) operations seeking a balance of durability and cost-effectiveness for construction and industrial machinery.
Key Features & Benefits
Exact Fitment Confidence: Engineered to OEM specifications for the S6K engine and E320/E320B excavator series, reducing installation time and eliminating guesswork.
High-Output Performance: Delivers a steady 28V and 55A to power all electrical components, including lights, control modules, and battery charging systems under heavy loads.
Durable Construction: Built with heavy-duty components to withstand the vibration, heat, and dirt common in construction, mining, and agricultural applications.
Rigorous Pre-Shipment Testing: Every unit passes a machinery test report and video outgoing inspection to ensure operational integrity before dispatch.
OEM Size & Interchangeability: Manufactured to standard OEM dimensions, ensuring seamless installation without the need for modifications or adapter brackets.
Versatile Application: Suitable for a wide range of machinery including excavators, generators, marine engines, and industrial power units.
Technical Specifications
Specification
Details
Part Number
JFZ2520 / 34368-01100
Type
Alternator
Voltage
28V DC
Current Output
55 Amps
Engine Model
S6K
Weight
8 kg (17.6 lbs)
Size
OEM Standard Size
Place of Origin
Guangdong, China
Engine Type
Diesel
Application
Construction / Industry / Agriculture / Genset / Marine / Handling
OEM Cross-Reference
This alternator is a direct replacement for the following original equipment manufacturer numbers:
Caterpillar: 34368-01100
Alternate Number: JFZ2520
Note: Always verify your application’s specific OEM part number before ordering. The numbers listed above are the primary cross-references for this unit.
Compatibility
This alternator is commonly used for the following engine and vehicle applications:
General Application: Construction equipment, industrial machinery, generator sets, marine vessels, and agricultural tractors utilizing the S6K engine platform.
Fitment is inferred based on the engine model and OEM part number. We recommend checking your existing alternator’s mounting bracket, pulley alignment, and plug configuration to ensure compatibility.
Global Supply & Distribution
We offer comprehensive worldwide shipping solutions to meet the needs of international B2B buyers. Our logistics network supports fast delivery to major ports and industrial centers across:
North America: Los Angeles, Houston, Chicago, Toronto
With extensive export experience and compliance with international trade standards, we ensure your parts arrive safely and on time. Bulk orders are welcome with competitive freight rates.
Quality Assurance
Testing: Each alternator undergoes a Machinery Test Report and Video Outgoing Inspection to verify voltage output, current stability, and mechanical integrity.
Warranty: Backed by a 6-month warranty against manufacturing defects.
After-Sales Support: Online technical support is available to assist with installation and troubleshooting.
Packaging: Securely packed in plastic bags, boxes, and cartons to prevent damage during transit.
FAQ
Q: Will this alternator fit my Caterpillar E320B excavator without modifications? A: This alternator is designed as a direct replacement for the S6K engine used in E320 and E320B models. It matches OEM dimensions (size and mounting points). However, we strongly recommend comparing the plug connector type and pulley dimensions with your original unit to ensure a perfect fit.
Q: What is the recommended maintenance for this 28V alternator? A: Regular maintenance includes checking belt tension (avoid over-tightening), cleaning debris from cooling vents, and verifying that all electrical connections are clean and tight. In dusty environments, periodic cleaning of the internal components with compressed air (low pressure) can extend the alternator’s lifespan.
Q: Can this alternator be used on a marine engine or generator set? A: Yes, it is suitable for marine and genset applications as specified in the technical data. However, for marine use, ensure that the alternator is protected from direct saltwater spray and that the ventilation is adequate. For generator sets, verify that the voltage regulator is compatible with your control system.
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