High-Quality Komatsu PC200-8MO Exhaust Manifold - Part Number 6751-11-5111 / 6751115111
Looking for a reliable replacement exhaust manifold for your Komatsu PC200-8MO excavator? At Guangxi Huayang Engineering Machinery Equipment Co., Ltd., we specialize in providing top-quality aftermarket parts for a wide range of construction machinery, including Komatsu and Caterpillar. Our extensive inventory includes everything from undercarriage components to engine parts, ensuring your equipment operates at peak performance.
This specific exhaust manifold, with part numbers 6751-11-5111 and 6751115111, is designed to meet or exceed OEM standards, offering exceptional durability and performance for your Komatsu PC200-8MO.

Product Uses and Applications
The exhaust manifold is a critical component of the engine's exhaust system. Its primary function is to collect exhaust gases from multiple engine cylinders and direct them into the exhaust pipe. A properly functioning exhaust manifold ensures efficient engine operation and helps to reduce harmful emissions.
This exhaust manifold (6751-11-5111 / 6751115111) is specifically designed for the Komatsu PC200-8MO excavator. The Komatsu PC200 series is a popular range of medium-sized hydraulic excavators known for their versatility and reliability. These machines are widely used in various construction applications, including:
Earthmoving: Excavating and moving large quantities of soil, rock, and other materials. For example, a Komatsu PC200-8MO might be used on a construction site to dig foundations for a new building.
Trenching: Digging narrow excavations for pipelines, cables, or drainage. A PC200-8MO could be employed to create trenches for laying water pipes in a residential area.
Demolition: Breaking down structures using specialized attachments. A PC200-8MO equipped with a breaker attachment can be used to demolish old concrete structures.
Material Handling: Lifting and moving materials with a bucket or other attachments. In a scrap yard, a PC200-8MO with a grapple attachment can efficiently sort and load scrap metal.
Landscaping: Preparing land for planting and construction. A PC200-8MO can be used to level ground and create desired contours in a landscaping project.
About Guangxi Huayang Engineering Machinery Equipment Co., Ltd.
Guangxi Huayang Engineering Machinery Equipment Co., Ltd. is a leading supplier of high-quality aftermarket parts for Komatsu and Caterpillar construction machinery. Our main products include:
Undercarriage Parts: Track rollers, carrier rollers, sprockets, idlers, and track shoes.
Hydraulic System Parts: Hydraulic pumps, hydraulic motors, control valves, and hydraulic cylinders (including bucket cylinders and boom cylinders).
Transmission and Power Components: Gearboxes, gears, and engine assemblies (including Cummins engine parts).
Wear Parts: Bucket teeth, track chains, pins and bushings, and high-strength bolts.
We are committed to providing our customers with reliable parts at competitive prices. Contact us today for all your Komatsu and Caterpillar machinery part needs!
Key Features of Our Komatsu PC200-8MO Exhaust Manifold
Direct replacement for Komatsu part numbers 6751-11-5111 and 6751115111.
Engineered for the Komatsu PC200-8MO excavator.
Manufactured using high-quality materials for long-lasting durability.
Ensures optimal engine performance and efficiency.
Helps in reducing exhaust emissions.
Frequently Asked Questions (FAQ)
Q: How do I know if my exhaust manifold needs to be replaced?
A: Common signs of a failing exhaust manifold include exhaust leaks (which can often be heard as a hissing or ticking sound), a decrease in engine power or fuel efficiency, and a noticeable smell of exhaust fumes. Visual inspection might also reveal cracks or warping.
Q: Are your exhaust manifolds covered by a warranty?
A: Yes, our Komatsu PC200-8MO exhaust manifold comes with a standard warranty against manufacturing defects. Please contact our sales team for specific warranty details.
Q: Do you offer international shipping?
A: Yes, Guangxi Huayang ships parts worldwide. Please provide your location and the specific parts you need, and our team will provide you with a shipping quote.
Troubleshooting and Repair Tips for Exhaust Manifolds
Common Issues:
Cracking: Due to thermal stress and vibration.
Warping: Caused by extreme heat, leading to leaks.
Gasket Failure: Resulting in exhaust leaks at the manifold-to-cylinder head joint.
Loose or Broken Studs/Bolts: Can cause leaks and vibration.
Repair and Replacement:
Minor cracks might be weldable by a professional, but replacement is generally recommended for significant damage or warping. When replacing an exhaust manifold, always use new gaskets and ensure proper torque when tightening the bolts or studs. Inspect the condition of the mating surfaces on the cylinder head and clean them thoroughly before installing the new manifold.
Maintenance Tips for Your Exhaust Manifold
Regularly inspect for any signs of exhaust leaks, such as unusual noises or smells.
Ensure that the engine cooling system is functioning correctly to prevent overheating, which can damage the exhaust manifold.
Avoid sudden extreme temperature changes to the engine, as this can contribute to cracking.
Periodically check and tighten the exhaust manifold bolts or studs to prevent loosening due to vibration.
Multilingual Glossary of Construction Machinery Parts
| English | Chinese | Russian | Location | Example Keyword |
|---|
| Track Roller | 支重轮 (Zhīzhòng lún) | Опорный каток (Opornyy katok) | Undercarriage | Komatsu PC300-7 Track Roller |
| Hydraulic Pump | 液压泵 (Yèyā bèng) | Гидравлический насос (Gidravlicheskiy nasos) | Hydraulic System | Caterpillar CAT 320D Hydraulic Pump |
| Bucket Cylinder | 挖斗油缸 (Wādǒu yóugāng) | Ковшовый цилиндр (Kovshovyy tsilindr) | Front Attachment | Komatsu PC210-8 Bucket Cylinder |
| Final Drive | 行走马达 (Xíngzǒu mǎdá) | Бортовой редуктор (Bortovoy reduktor) | Undercarriage | Caterpillar CAT 330C Final Drive |
| Main Control Valve | 主控阀 (Zhǔ kòng fá) | Главный распределительный клапан (Glavnyy raspredelitel'nyy klapan) | Hydraulic System | Komatsu PC220-7 Main Control Valve |
| Idler Assembly | 引导轮总成 (Yǐndǎo lún zǒngchéng) | Направляющее колесо в сборе (Napravlyayushcheye koleso v sbore) | Undercarriage | Caterpillar CAT 325D Idler Assembly |
| Fuel Injector | 喷油器 (Pēnyóuqì) | Топливная форсунка (Toplivnaya forsunka) | Engine | Komatsu PC360-8 Fuel Injector |
| Radiator | 散热器 (Sànrèqì) | Радиатор (Radiator) | Cooling System | Caterpillar CAT 349E Radiator |
| Boom Cylinder | 动臂油缸 (Dòngbì yóugāng) | Цилиндр стрелы (Tsilindr strely) | Front Attachment | Komatsu PC450-8 Boom Cylinder |
| Air Filter | 空气滤清器 (Kōngqì lǜqīngqì) | Воздушный фильтр (Vozdushnyy fil'tr) | Engine Intake System | Caterpillar CAT 312D Air Filter |