EX200-1 Muffler Description
The YNF14790 muffler (OEM 4649871) is an essential exhaust system component used in Hitachi EX200-1 excavators. It is designed to reduce engine exhaust noise while maintaining proper backpressure for stable engine performance.
Manufactured from high-strength steel and processed with anti-corrosion and heat-resistant surface treatment, the muffler ensures reliable operation under continuous high-temperature conditions. The internal structure is engineered to optimize exhaust flow, reducing noise levels while maintaining engine efficiency.
This component plays a key role in improving operator working conditions and ensuring compliance with industrial noise control requirements. It is widely used in construction sites, mining operations, and heavy-duty earthmoving environments where excavator engines operate under continuous load.
EX200-1 Muffler 4649871 Technical Data Sheet
| Item |
Specification |
| Product Name |
Muffler / Exhaust Silencer |
| YNF Number |
YNF14790 |
| OEM Part No |
4649871 |
| Machine Model |
Hitachi EX200-1 |
| System Type |
Engine Exhaust System |
| Material |
High-strength Steel |
| Surface Treatment |
Heat-resistant Anti-corrosion Coating |
| Function |
Noise Reduction / Exhaust Control |
| Installation Position |
Engine Exhaust Outlet |
| Brand |
YNF |
| MOQ |
1 Piece |
| Origin |
China |
| Shipping Method |
Air / Sea / Express |
| Payment Terms |
T/T, Western Union, PayPal |
EX200-1 Muffler Applications
| Industry |
Application Scenario |
| Construction |
Excavator engine exhaust system maintenance |
| Mining |
Heavy-duty continuous operation machinery |
| Quarry |
Rock excavation equipment noise control |
| Infrastructure |
Road and foundation machinery operation |
| Repair Workshop |
Engine exhaust system replacement |
EX200-1 Muffler Detail Display
The muffler is a critical component in excavator engine exhaust systems, responsible for reducing noise and stabilizing exhaust flow.
Common issues include corrosion, internal blockage, and structural fatigue caused by long-term high-temperature operation. Regular inspection and replacement are essential to maintain engine efficiency and compliance with noise regulations.
YNF Machinery also supplies related engine system components:
- Exhaust pipe assemblies
- Engine mounts
- Air intake systems
- Radiator and cooling parts
