Views: 0 Author: Site Editor Publish Time: 2026-06-17 Origin: Site
The Komatsu PC400-8 is a mainstream 40-ton intelligent heavy-duty excavator on the market. The upgraded and optimized S6D125 engine power system offers faster power response, better fuel economy, and stronger stability during continuous heavy-duty operation compared to the -6 and -7 versions. It is widely used in high-intensity working conditions such as large-scale mining, earthwork backfilling, infrastructure projects, and river dredging. Under long-term, high-frequency, and high-load operation, the original PC400-8 cylinder head is prone to various failures due to high temperature, high pressure, and continuous vibration. Therefore, Hebei Keluo Engineering Machinery has specifically launched a full range of S6D125 cylinder heads for the PC400-8.
Core Technical Parameters of the Product
Parameter Category: | Detailed Technical Standards |
Compatible Models: | Komatsu PC400-8 series excavators |
Compatible Engine: | S6D125 turbocharged diesel engine |
Part Numbers: | 6150-11-1100, 6150-11-1101, 6150-11-1102, 6150-11-1010, 6150-11-1011 |
Structure: | Inline six-cylinder, double overhead intake manifold, built-in circulating water and oil passages |
Material: | High-strength thickened wear-resistant cast iron, high-pressure die casting in one piece |
Core Processes: | High-temperature aging stress relief, CNC full-area precision milling, fine polishing of water and oil passages, non-destructive testing, high-pressure airtightness testing |
Product Categories: | Two main categories: assemblies with valves and bare cylinder heads, covering all specifications |
Product Differentiation Advantages:
1. Full Model Coverage, One-Stop Solution: Our S6D125 cylinder head includes all PC400-8 series universal part numbers, compatible with new, old, standard, and heavy-duty models. No need for repeated model checks; a one-stop solution for maintenance, overhaul, and stocking needs, solving parts compatibility issues.
2. Optimized for -8 Models, Enhanced Compatibility: Compared to ordinary cylinder heads, it offers higher power reproduction and better fuel economy, perfectly suited for intelligent heavy-duty operating conditions.
3. Fatigue-Resistant Technology, Long-Lasting Durability: Made of thickened high-density cast iron, completely eliminating internal casting defects, effectively resisting continuous high temperatures, high-frequency vibrations, and high-pressure impacts. Long-term operation is less prone to deformation, cracking, and leakage, significantly reducing equipment repair rates.
4. Precision Quality Control, Zero Defects Upon Installation: Each cylinder head model undergoes individual quality inspection. Standard hole positions eliminate the need for grinding or modification; direct installation in the original location ensures stable operation immediately upon installation.
Hebei Keluo Construction Machinery Co., Ltd. specializes in core components for construction machinery. The company offers a complete range of parts with ample stock, supporting single-part repair and replacement, bulk project support, and long-term spare parts reserves. This ensures stable and efficient operation of various construction machinery equipment, reducing maintenance costs and downtime losses for customers.
