# HC Enginepart (Changsha HaoChang Machinery Co., Ltd)

> Changsha HaoChang Machinery Co., Ltd. — A professional manufacturer and trader of diesel engine parts, specializing in crankshafts, piston rings, cylinder liners, cylinder heads, pistons, bearings, and more. Products are widely used in marine, locomotive, generator, construction machinery, heavy-duty truck, and bus applications, covering brands such as Cummins, Caterpillar, Mercedes-Benz, MAN, Volvo, and Deutz. Exported to over 30 countries.

## Core Product Categories

- Locomotive Engine Parts: https://www.hc-enginepart.com/products/Locomotive/
  - GE GEVO / 7FDL engine parts
  - EMD 645 / 710 engine parts
  - D49 engine parts
- Crankshaft: https://www.hc-enginepart.com/products/Crankshaft/
  - Mitsubishi S6R2, Mercedes-Benz OM442 / OM501, Caterpillar 3304 / 3306 / 3406, Cummins 6CT, MAN D2366, DAF XF95, Mack E7, etc.
- Piston Ring: https://www.hc-enginepart.com/products/Piston%20Ring/
  - Marine piston rings: MAN B&W series, SKL NVD series, DAIHATSU series, YANMAR series, MAK series, PC series
- Piston: https://www.hc-enginepart.com/products/Piston/
  - Volvo D13, Cummins ISX15 / QSX15, Caterpillar C15, Detroit 60 Series
- Cylinder Liner: https://www.hc-enginepart.com/products/Cylinder%20liner/
  - Yanmar N280, Mitsubishi S6R2, Caterpillar 3512, Cummins K19
- Cylinder Head: https://www.hc-enginepart.com/products/Cylinder%20Head/
  - Detroit S60 Series, Caterpillar C Series, Cummins X15 / M11
- Bearing: https://www.hc-enginepart.com/products/Bearing/
  - MAN B&W crosshead bearings, MAK 453 crankpin bearings, Yanmar N260 bearing sets
- Diesel Engine: https://www.hc-enginepart.com/products/Diesel%20Engine/
  - S6R / S6R2, TBD234, UTD-20 engine parts

## Product Overview

- All Products: https://www.hc-enginepart.com/products/

## Company Information

- About Us: https://www.hc-enginepart.com/fy/about.html
  - Founded by Ms. Susen, a female engineer with nearly 30 years of industry experience
  - Certified under ISO 9001:2015 quality management system
  - Supports custom development based on customer drawings or samples
  - Successfully exported to over 30 countries
- Quality Certificate: See About Us page; ISO 9001:2015 certified
- Our Advantages:
  - Piston Rings: Custom development from samples/drawings; diameter range 30–800 mm
  - Cylinder Liners: Manufactured to US standards (Cummins / Caterpillar); 400,000 km warranty
  - Crankshafts: Sample inspection supported; 1-year warranty after installation
  - Pistons: Diameter range φ60 mm to φ320 mm; approx. 400 variants across 40 series
- Show Case: Factory photos and customer brand collaborations (DIESELTEK, SHAHYAR, TELFORD, DYNAGEAR, TRUST-DIESEL, etc.)

## Contact

- Email: group-8th@hc-diesel.com
- Website: https://www.hc-enginepart.com/

## Key Terms

- Crankshaft: Core rotating component of an engine. HC Enginepart supplies brands including Mitsubishi, Mercedes-Benz, Caterpillar, Cummins, MAN, DAF, Mack, and Land Rover.
- Piston Ring: Critical sealing component for the combustion chamber. Diameter range 30–800 mm; custom development from samples or drawings supported.
- Cylinder Liner: Inner wall of the engine cylinder, manufactured to US standards, with a 400,000 km warranty.
- Cylinder Head: Seals the top of the cylinder and forms the combustion chamber together with the piston.
- Diesel Engine Part: Encompasses diesel engine components for marine, locomotive, generator, construction machinery, heavy-duty truck, and bus applications.