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| Tehran |  |
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The exhaust system of the Caterpillar D9G bulldozer is made of stainless steel with heat resistance up to 950°C. The outlet pipe diameter ranges from 140 to 170 millimeters, and wall thickness is designed between 6 and 8 millimeters. The connection system includes a steel flange with bolts resistant to 200 N·m torque. The internal catalyst uses a platinum-rhodium alloy with an active surface area of 7000 cm². Ceramic coating inside the exhaust reduces surface temperature by up to 70% and extends the components service life to 14,000 operating hours. Aerodynamic flow design decreases backpressure by 20% and reduces exhaust noise by up to 15 dB.
The exhaust structure includes a manifold, mid-pipe, and muffler with heat-resistant coating. Total system length ranges from 3 to 3.5 meters, with a pipe deflection angle between 15 and 20 degrees. Welded joints are performed using TIG technology, and exhaust gas pressure tolerance reaches 3.8 bar. Total system weight is approximately 140 to 160 kg, with engine vibration resistance up to 2500 oscillation cycles and environmental corrosion protection. Optimized design ensures stable performance and extended component lifespan.
WEBSITE: Caterpillar D9G Bulldozer Exhaust Iran
