Views: 0 Author: Site Editor Publish Time: 2026-06-16 Origin: Site
The Komatsu PC400-7, a 40-ton class high-efficiency heavy-duty excavator, is widely used in high-intensity operations such as large-scale earthmoving projects, mining, roadbed excavation, and stone loading and unloading, thanks to its stable power output and excellent load capacity. Under long-term high-load operation, the original PC400-7 cylinder head is prone to valve seat wear and seal failure, leading to power loss, oil and water leakage, and other malfunctions, seriously affecting construction progress. Hebei Keluo Construction Machinery's S6D125 cylinder head, using precision casting technology and undergoing comprehensive quality inspection, is perfectly adapted to the machine's operating conditions, providing a superior solution for equipment overhaul, maintenance, and fault replacement.
Product Core Specifications:
Parameter Item | Detailed Specifications |
Compatible Equipment: | Komatsu PC400-7 Large Excavator |
Matching Engine: | S6D125 Inline Six-Cylinder Turbocharged Engine |
Product Material: | High-density alloy cast iron, one-piece molding, resistant to high temperature and high pressure |
Core Processes: | Aging stress relief, CNC high-precision milling, water and oil passage polishing, high-pressure airtightness full inspection |
In Stock Specifications: | Bare cylinder head, complete valve assembly (two options available) |
Suitable Working Conditions: | Heavy-duty mining, continuous operation, heavy-load earthmoving projects |
Assembly Advantages | Original factory data replication, zero-error adaptation, ready to use after installation |
Product Core Competitive Advantages
1. Heavy-duty exclusive material, adapted to the working conditions of the -7 model
2. Micron-level precision machining, eliminating three leakage faults
3. Precise air passage design, restoring the power of the whole machine
4. Multiple tests, stable and reliable quality
Hebei Keluo Construction Machinery Co., Ltd. accurately grasps the working conditions pain points and accessory adaptation standards of the PC400-7 model. The company boasts a stable supply of goods and ample stock, supporting single-part repair and replacement, bulk project support, and long-term spare parts reserves. Hebei Keluo Construction Machinery, with its professional selection and matching, standardized technical guidance, and comprehensive after-sales system, helps customers reduce equipment maintenance costs, minimize downtime losses, and comprehensively ensure the efficient and stable operation of construction machinery.
