Caterpillar 320B/C/D Excavator Alternator 28V 50A JFZ25502 212-8561 197-8820 Engine Parts

Product Details

Product Overview

This high-performance alternator is a direct replacement for Caterpillar 320B, 320C, and 320D series excavators. Designed for demanding B2B environments, this unit delivers reliable 28V/50A output to support heavy electrical loads. We provide global shipping to major industrial hubs including the United States, Canada, Germany, Australia, UAE, and Southeast Asia, ensuring fast delivery to your workshop or job site.

Key Features & Benefits

• High Output Stability: Precision-engineered 28V/50A charging system ensures consistent power for excavator electronics and battery maintenance.
• Durable Construction: Built with heavy-duty bearings and high-quality copper windings to withstand vibration and extreme operating temperatures.
• Direct Fitment: Exact OEM dimensions and mounting points for hassle-free installation on Caterpillar 320 series engines.
• Extended Service Life: Voltage regulator with overheat protection and reverse battery protection reduces failure risk.
• Cost-Effective Solution: Premium aftermarket quality at competitive pricing compared to dealer OEM parts.

Technical Specifications

OEM Cross-Reference

This alternator replaces the following original equipment manufacturer (OEM) numbers:

• Caterpillar: 212-8561, 197-8820
• Alternate Part Numbers: JFZ25502 (standard aftermarket designation)
• Compatible with: All models using 28V/50A charging systems in 320 series excavators

Compatibility

This alternator is specifically engineered for the following Caterpillar excavator models and engines:

• Caterpillar 320B (All sub-variants including 320B L, 320B N)
• Caterpillar 320C (All sub-variants including 320C L, 320C U)
• Caterpillar 320D (All sub-variants including 320D L, 320D GC)
• Caterpillar E320D
• Engine Models: Caterpillar 3064, 3066, and C6.4 series engines found in these excavators
• Year Range: Typically 1994-2010 (verify with your specific machine serial number)

Note: Always confirm fitment by comparing the alternator mounting bracket and pulley alignment with your original unit.

Global Supply & Distribution

We serve a worldwide network of B2B clients including equipment dealers, repair shops, and fleet operators. Our logistics capabilities cover:

• North America: Fast shipping to ports like Los Angeles, Houston, and New York, plus inland industrial centers.
• Europe: Direct delivery to Rotterdam, Hamburg, and major distribution hubs.
• Asia-Pacific: Efficient shipping to Singapore, Shanghai, and Tokyo.
• Middle East & Africa: Reliable service to Dubai, Jeddah, and Johannesburg.
• Oceania: Quick transit to Sydney and Melbourne.

We offer multiple shipping options (air, sea, express) and handle all export documentation for smooth customs clearance. Bulk orders and mixed container shipments are welcome.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities with strict quality control.
• Testing: Each alternator undergoes load testing, voltage regulation checks, and vibration testing before shipment.
• Warranty: 12-month warranty against manufacturing defects from the date of invoice.
• Certifications: CE and RoHS compliant materials and production processes.

FAQ

Q1: Will this alternator fit my Caterpillar 320D excavator with a C6.4 engine?
A: Yes, this JFZ25502 alternator is designed for the C6.4 engine as used in the 320D series. However, we recommend verifying the mounting bracket type and pulley configuration (single or dual groove) against your original unit for perfect fitment.

Q2: What is the installation procedure for this alternator?
A: Installation is straightforward for a qualified mechanic. Steps include: 1) Disconnect the battery negative terminal. 2) Remove the drive belt. 3) Unbolt the old alternator and disconnect the wiring. 4) Install the new alternator, reconnect wires (B+ to battery positive, D+ to ignition, W to tachometer if used), and tension the belt to manufacturer specifications. Always refer to the service manual for torque values.

Q3: How can I maximize the lifespan of this alternator?
A: To ensure long service life, regularly check belt tension (avoid over-tightening), keep the alternator free of dirt and oil, and ensure battery connections are clean and tight. Avoid adding excessive electrical loads beyond the 50A rating. If the alternator fails prematurely, check for a faulty battery or wiring issues in the charging circuit.