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The exhaust system of the Caterpillar 988B loader is made of high-temperature and corrosion-resistant steel, with a total length of 4.2 meters. The inner pipe diameter is 280 millimeters, and the wall thickness is 6 millimeters, providing resistance to hot gas pressures up to 800 degrees Celsius. It features a multi-stage internal structure that ensures uniform gas flow and reduces mechanical noise. Connections use standard SAE flanges and heat-resistant gaskets, capable of withstanding vibrations over 1200 Newton-meters. Its industrial design includes anti-rust coating and heat-resistant paint, extending the systems service life to over 8,000 operating hours.
The thermal and acoustic performance of the 988B loader exhaust complies with EPA and ISO standards, with pressure drop along the path below 25 kilopascals. The internal system includes a turbulent flow network to reduce particulate matter and guide exhaust gases to the rear section. The total weight of the exhaust without auxiliary components is approximately 180 kilograms, with installation using two M16 bolts and four M12 bolts. Its modular design allows replacement of damaged sections without removing the entire assembly. This exhaust is fully compatible with the 988B diesel engine, increasing exhaust efficiency by up to 95 percent.
WEBSITE: Caterpillar 988B Loader Exhaust Iran