New Exhaust Manifold 3419130 3008590 3063487 For Cummins NTA855 Engine

Chongqing Kyson Machinery Equipment Co., Ltd. is one of the leading manufacturers and suppliers of new exhaust manifold 3419130 3008590 3063487 for cummins nta855 engine in China. With abundant experience, our factory offer high quality products made in China with competitive price. Welcome to place an order.

Cummins exhaust manifold is a high-temperature critical component that connects the cylinder head and turbine/post-treatment. Its core is heat-resistant cast iron/steel, which is divided into dry/wet, integral/segmented, and pulse types, directly affecting exhaust efficiency, turbine response, and risk of thermal deformation and cracking.

1, Material and Structure

Material:

Small and medium-sized models (B/ISD/6BT): high silicon molybdenum heat-resistant cast iron, resistant to 600-800 ℃.

Heavy duty machine (M11/NT855/K19): chromium molybdenum alloy cast iron/steel, resistant to thermal shock and deformation.

Marine engine/high load: double-layer water-cooled wet manifold (K38/K50/QSK).

Structure type:

Integral: 4/6 cylinder integrated, simple structure, low cost, commonly seen in old 6BT/4BT models.

Segmented pulse type (mainstream): 6 cylinders are divided into 3+3 groups, using exhaust pulses to improve turbine response and reduce interference; National III and above models (ISD/ISC/M11/ISX15) come standard.

Dry vs Wet:

Dry type: ordinary air-cooled, for automotive/construction machinery;

Wet type: water-cooled interlayer, ship engine/high load, low outer wall temperature, not easy to crack.

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