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| Tehran |  |
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The exhaust system of the Caterpillar D8N bulldozer is made of stainless steel with heat resistance up to 900°C. The outlet pipe diameter ranges from 130 to 160 millimeters, and wall thickness is designed between 5 and 7 millimeters. The connection system includes a steel flange with bolts resistant to 180 N·m torque. The internal catalyst uses a platinum-rhodium alloy with an active surface area of 6000 cm². Ceramic coating inside the exhaust reduces surface temperature by up to 65% and extends the components service life to 12,000 operating hours. Aerodynamic flow design decreases backpressure by 18% and reduces exhaust noise by up to 12 dB.
The exhaust structure includes a manifold, mid-pipe, and muffler with heat-resistant coating. Total system length ranges from 2.8 to 3.2 meters, with a pipe deflection angle between 12 and 18 degrees. Welded joints are performed using TIG technology, and exhaust gas pressure tolerance reaches 3.5 bar. Total system weight is approximately 130 to 150 kg, with engine vibration resistance up to 2200 oscillation cycles and environmental corrosion protection. Optimized design ensures stable performance and extended component lifespan.
WEBSITE: Caterpillar D8N Bulldozer Exhaust Iran
