NH220 NT855 6CT 400 big cam cummins rebuild kit cummins engine diesel parts

product description

introduce

Here’s a detailed overview of the Cummins NH220, NT855, 6CT, and Big Cam engines, focusing on rebuild kits, dimensions, descriptions, suitable models, and estimated costs.

### Overview of Cummins Engines

Cummins engines like the NH220, NT855, 6CT, and Big Cam series are known for their durability and high performance, commonly used in heavy-duty applications such as trucks, construction equipment, and marine applications.

### Rebuild Kit Overview

#### Common Components Included in Rebuild Kits
- **Pistons and Piston Rings**
- **Cylinder Liners**
- **Gasket Set**
- **Main and Rod Bearings**
- **Oil Pump**
- **Water Pump**
- **Fuel Injectors** (if applicable)
- **Timing Components**

### Dimensions of Key Components

Here are typical dimensions for components found in rebuild kits for these Cummins engines:

1. **Pistons**:
- **NH220**: ~4.5 inches (114 mm) diameter
- **NT855**: ~5.4 inches (137 mm) diameter
- **6CT**: ~4.02 inches (102 mm) diameter
- **Big Cam**: ~4.5 inches (114 mm) diameter

2. **Cylinder Liners**:
- **NH220**: ~4.5 inches (114 mm) diameter
- **NT855**: ~5.4 inches (137 mm) diameter
- **6CT**: ~4.02 inches (102 mm) diameter
- **Big Cam**: ~4.5 inches (114 mm) diameter

3. **Piston Rings**:
- Typically match the piston diameter.
- Thickness generally ranges from 1/16 inch (1.58 mm) to 3/16 inch (4.76 mm).

4. **Gasket Sets**:
- Head gaskets and other gaskets vary based on engine model.

5. **Bearings**:
- Main and rod bearings sized to match crankshaft specifications.

### Description of Rebuild Kits

Rebuild kits for these Cummins engines include high-quality components designed to restore engine performance and reliability. These kits are manufactured to meet OEM specifications, ensuring proper fit and long-lasting performance.

### Suitable Models

#### Applications for Cummins Engines
- **NH220**: Used in various heavy-duty trucks and construction equipment.
- **NT855**: Common in larger trucks, construction equipment, and marine applications.
- **6CT**: Typically found in light to medium-duty trucks, construction machinery, and generators.
- **Big Cam**: Often used in older heavy-duty trucks and industrial applications.

### Estimated Cost

- **Basic Rebuild Kit**: $800 to $2500
- Includes essential components like pistons, rings, gaskets, and bearings.

- **Comprehensive Rebuild Kit**: $1600 to $3600
- Includes additional components such as oil pumps, water pumps, and injectors.

### Conclusion

Cummins engines such as the NH220, NT855, 6CT, and Big Cam are built for high performance in demanding environments. Utilizing rebuild kits ensures the longevity and efficiency of these engines. If you need specific part numbers or further assistance, feel free to ask!

COMPANY INFORMATION

Guangzhou Tengsong Machinery Equipment Co., Ltd. is a large-scale enterprise loed in Guangzhou, a famous city in China, where the largest distribution center for construction machinery parts is loed in Asia. Founded in 2003, with more than 18 years of practice and experience, we have established a complete ordering and delivery service system. Our company specializes in wholesale OEM spare parts for construction machinery companies.

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