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| Tehran |  |
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The exhaust system of the Caterpillar D7G bulldozer is made of stainless steel with heat resistance up to 800°C. The outlet pipe diameter ranges from 120 to 150 millimeters, and wall thickness is designed between 4 and 6 millimeters. The connection system includes a steel flange with bolts resistant to 150 N·m torque. The internal catalyst uses a platinum-palladium alloy with an active surface area of 5000 cm². Ceramic coating inside the exhaust reduces surface temperature by up to 60% and extends the service life of the component to 10,000 operating hours.
The exhaust structure includes a manifold, mid-pipe, and muffler with heat-resistant coating. The total system length is between 2.5 and 3 meters, and the pipe deflection angle is set between 10 and 15 degrees. Welded joints are performed using TIG technology, and exhaust gas pressure tolerance reaches 3.2 bar. The total system weight is approximately 120 to 140 kg, and aerodynamic flow design reduces backpressure by 15%. Environmental corrosion resistance and engine vibration tolerance up to 2000 oscillation cycles are ensured.
WEBSITE: Caterpillar D7G Bulldozer Exhaust Iran
