6LT 6D114 PC300-7 Excavator Alternator 24V 40A 8PK 600-825-3120 600-861-6110 for Cummins Engine

Product Details

Product Overview

This heavy-duty alternator is engineered for demanding industrial applications, specifically designed to meet the electrical demands of the Cummins 6LT and 6D114 diesel engines. Commonly used in the Komatsu PC300-7 excavator, this 24V 40A unit (with an 8PK serpentine belt pulley) provides reliable charging performance for construction and earthmoving equipment.

Identified by OEM reference numbers 600-825-3120 and 600-861-6110, this alternator is a direct replacement component. It is built to withstand the high vibration, extreme temperatures, and continuous operation typical of heavy machinery. While primarily specified for the PC300-7 excavator, its robust design makes it suitable for a wide range of off-highway vehicles and industrial equipment powered by compatible Cummins engine platforms.

Key Features & Benefits

• Precision Fit for Common Applications: Direct bolt-on replacement for Komatsu PC300-7 excavators and other machinery using the 6LT or 6D114 Cummins engine. The 8PK pulley ensures correct belt alignment and tension.
• Reliable 24V Output: Provides a stable 40-amp charging current to maintain battery health and power critical electrical systems, even under sustained heavy loads.
• Robust Industrial Construction: Built with high-grade materials to resist dust, moisture, and mechanical shock, ensuring long service life in harsh worksites.
• OEM-Spec Dimensions: Manufactured to original equipment size specifications (OEM Size) for straightforward installation without modifications.
• Cost-Effective Solution: Offers the lowest price advantage for a high-quality replacement part, providing significant savings compared to genuine OEM units without compromising performance.

Technical Specifications

OEM Cross-Reference

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

• 600-825-3120 (Komatsu / Original Reference)
• 600-861-6110 (Komatsu / Original Reference)

Note: These numbers are the primary references for this specific alternator. Please verify your application’s specific mounting and wiring configuration before purchase.

Compatibility

This alternator is commonly used for the following equipment and engines:

• Excavator: Komatsu PC300-7
• Engines: Cummins 6LT, Cummins 6D114
• Other Applications: Trucks, forklifts, bulldozers, buses, loaders, and other industrial machinery utilizing the same engine platform and alternator configuration.

Global Supply & Distribution

We maintain a robust global supply chain to serve B2B buyers in all major industrial markets. Our logistics network supports fast and reliable shipping from our production hubs in Guangdong and Guizhou, China, to ports and distribution centers worldwide, including:

• North America: Los Angeles, Houston, Chicago, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Busan, Sydney, Dubai
• Middle East & Africa: Jebel Ali, Durban, Mombasa

We have extensive experience in international trade and can manage complex export documentation and logistics requirements for bulk orders.

Quality Assurance

Every alternator undergoes rigorous testing to ensure performance and reliability. Our quality control process includes:

• Machinery Test Report: Provided with every unit to verify output specifications and operational integrity.
• Video Outgoing Inspection: Available upon request to provide complete visual confirmation of the product before shipment.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your fleet maintenance.
• Standards: Manufactured in ISO-compliant facilities in China, adhering to strict quality management systems.

FAQ

Q: Is this alternator a direct replacement for the original part on my Komatsu PC300-7?
A: Yes, this alternator is designed as a direct replacement for the OEM units with part numbers 600-825-3120 and 600-861-6110. It matches the original size (OEM Size), mounting points, and 8PK pulley configuration. However, we always recommend comparing your old unit’s physical dimensions and electrical connector type to ensure a perfect match.

Q: Can this 40A alternator handle the electrical load of my excavator if I have added extra lighting or electronics?
A: The 40A output is sufficient for the standard electrical systems of the PC300-7 and similar machinery. If you have significantly increased the electrical load (e.g., with high-power work lights or additional control systems), a higher-output alternator may be required. For standard operation, this unit provides reliable charging.

Q: What maintenance is recommended for this alternator to ensure a long service life?
A: Regular inspection of the drive belt tension and condition is crucial. Ensure the alternator mounting bolts remain tight. Periodically clean the exterior to remove dust and debris that can impede cooling. Avoid using high-pressure water directly on the alternator when cleaning the engine bay.