$1.680,00
79 in stock
In the world of heavy-duty excavation and mining, durability and performance are non-negotiable. The 6745-11-5440 MUFFLER KOMATSU is engineered to meet these exact expectations, providing superior exhaust flow management for high-horsepower diesel engines. Its rugged construction, optimized gas flow design, and superior heat resistance make it a reliable choice for operators seeking consistent output with reduced maintenance interruptions.
This premium muffler is more than just a replacement part — it’s an investment in machine longevity, workplace safety, and compliance with sound and emission regulations. Precision-built for seamless compatibility with several mid-to-large class KOMATSU machines, this component is trusted in harsh environments from quarries to construction sites.
Product Code: 6745-11-5440
Material: High-grade heat-resistant alloy steel
Coating: Matte black anti-corrosive enamel (650°C heat resistance)
Inlet/Outlet Diameter: Precision-fabricated for OEM exhaust pipe integration
Mounting: Reinforced flange mount with dual-bolt configuration
Noise Dampening: Integrated multi-chamber silencing design
Compatibility: Engineered to match KOMATSU’s original layout without modifications
Heat-Resistant Finish
Designed to withstand extreme exhaust temperatures during peak engine performance, ensuring long service life without warping or cracking.
Low-Backpressure Internal Design
Enhances airflow while maintaining optimal pressure levels. Improves fuel efficiency and reduces soot accumulation inside the exhaust lines.
Enhanced Sound Suppression
Reduces engine noise drastically, meeting environmental and workplace noise regulations without compromising exhaust efficiency.
OEM-Level Fit
Engineered to drop directly into place — no additional welding or pipe modifications necessary. Just install, bolt in, and go.
Rugged Build for Harsh Environments
Ideal for abrasive job sites, thanks to heavy-duty welding, reinforced mounts, and robust cylindrical housing.
The 6745-11-5440 MUFFLER KOMATSU is commonly used in the following heavy machinery models. These models rely on powerful engines and efficient exhaust systems to maintain uptime and output:
KOMATSU D155AX-5
KOMATSU D155AX-6
KOMATSU D275A-5
KOMATSU D275AX-5
These models operate in environments where consistent engine temperature management and reduced noise output are essential — making this muffler an integral part of their performance system.
The 6745-11-5440 MUFFLER KOMATSU is not limited to a single environment. It’s designed to thrive across sectors including:
Mining & Quarrying
Reduces exhaust resistance during prolonged high-load operation and supports optimal engine combustion in dusty environments.
Heavy Construction
Allows for quieter operation on regulated job sites while ensuring machinery performs reliably during long shifts.
Infrastructure Projects
Ideal for dozers and crawlers involved in road-building, dam excavation, and foundation laying.
At 3GEN Export, we understand the pressure of downtime and the importance of rugged, dependable machinery components. The 6745-11-5440 MUFFLER KOMATSU we supply is manufactured to exceed global performance standards. As an OEM-level supplier, we ensure:
Global Shipping in 5 Working Days
Your site doesn’t stop, and neither do we. No matter where you are, our logistics ensure prompt, insured delivery.
OEM Quality – Guaranteed
Built with precision and backed by technical engineering, every muffler undergoes strict quality control to match original specs.
1-Year Manufacturer Warranty
We stand behind every part. Our mufflers are built to last, with performance assured for 12 months post-purchase.
Dedicated Technical Support
Need installation tips, machine compatibility guidance, or bulk order support? Our team of heavy machinery experts is always here to help.
To ensure optimal performance from your 6745-11-5440 MUFFLER KOMATSU, follow these quick professional recommendations:
Replace gaskets and seals during muffler installation to avoid future leaks.
Torque mounting bolts to spec — under-tightening may cause vibration, while over-tightening risks flange distortion.
After installation, let the engine idle for 5–10 minutes to allow proper heat cycling and to check for any unusual noises or leaks.
Periodically inspect welds and bracket integrity in high-vibration applications.
Choosing the right muffler isn’t just about noise reduction. The 6745-11-5440 MUFFLER KOMATSU contributes to:
Improved Fuel Economy
With controlled backpressure, engines run smoother and burn fuel more efficiently.
Lower Operating Temperatures
Prevents heat buildup in the engine bay and extends the lifespan of nearby components.
Operator Comfort
Quieter cabins reduce operator fatigue, improving productivity across long shifts.
Regulatory Compliance
Helps you meet emissions and noise standards in strict jurisdictions and job sites.
From its robust construction to its finely engineered interior, the 6745-11-5440 MUFFLER KOMATSU stands as a crucial component in maintaining your machinery’s peak performance. Whether you’re replacing a worn unit or upgrading to reduce downtime, this muffler ensures smoother operations, longer intervals between service, and enhanced reliability.
Backed by 3GEN Export’s expertise and global logistics network, your equipment stays running strong — wherever the job takes you.
Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.