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The Excavator Part 4D84-2A Fuel Injection Pump is a high-performance component engineered for Caterpillar, Volvo, Hitachi, and Doosan 4TNE84E excavators. Built with robust metal construction (cast iron/aluminum) and precision-machined surfaces, this pump ensures reliable fuel delivery under extreme conditions. Its integrated electronic control system and safety features like pressure relief valves make it ideal for heavy-duty applications requiring precision and durability.
| Feature | Specification | Benefit |
|---|---|---|
| Material | Cast iron/aluminum alloy | Ensures durability and resistance to high pressure/temperature |
| Compatibility | Fits Caterpillar, Volvo, Hitachi, Doosan 4TNE84E excavators | Seamless integration with leading brands |
| Pressure Tolerance | High-pressure tolerance (up to 2000 bar) and volumetric efficiency | Optimizes engine performance and emissions control |
| Electrical Control | Integrated electronic system for adaptive fuel delivery | Enables precise timing and fuel flow adjustments |
| Safety Features | Pressure relief valves and check valves | Prevents overpressure damage and reverse flow |
| Warranty | 6-month warranty | Guarantees reliability and post-purchase support |
Adjustable fuel pressure and delivery rate parameters allow customization to meet specific engine requirements (e.g., low-emission standards or high-altitude operations).
This fuel injection pump combines industrial-grade durability with advanced electronic control, making it a cornerstone for excavators operating in demanding environments. Its design ensures longevity and peak performance in construction, mining, and heavy machinery applications.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Pressure Rating | 1800 bar | +15% (2070 bar)* | +30% (2340 bar)* |
| Durability | 5000-hour lifespan | 7500-hour lifespan | 10,000-hour lifespan |
| Electronic Control | Basic | Enhanced precision | Premium adaptive AI |
| Weight | 12 kg | 13.5 kg | 15 kg |
Technical Breakthroughs:
Version Selection Guide:
With the Pro Model’s 2340 bar pressure rating, you can safely power engines in harsh conditions where traditional pumps fail. Pair its premium alloy construction with adaptive control to achieve 25% lower emissions than industry benchmarks.
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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.
