PC400‑8 PC450‑8 Distribution Valve For Komatsu Excavator Main Control Valve
High‑precision aftermarket hydraulic distribution valve assembly compatible with Komatsu PC400‑8 & PC450‑8 large excavators, core hydraulic control component for heavy‑duty mining machinery maintenance.
Key Features
- OEM‑equivalent main control valve perfectly matched for Komatsu PC400‑8 and PC450‑8 large excavators
- High‑strength heavy‑duty cast valve body, wear‑resistant precision spool, stable high‑pressure oil circuit control
- Optimized internal flow path design, sensitive operation response, low internal leakage and high efficiency
- High‑temperature, dust‑proof and impact‑resistant structure, durable for long‑time mining heavy‑load operation
- Strict factory pressure testing, flow inspection and sealing performance test before delivery
- Exact OEM mounting dimension, direct bolt‑on replacement without modification
- Stable multi‑channel hydraulic control for boom, arm, bucket, travel and swing system
- Wide compatibility with multiple same‑brand Komatsu large excavator models
Product Information
| Item |
Specification |
| Product Name |
Hydraulic Main Control Valve / Distribution Valve Assembly |
| Matched Excavator |
Komatsu PC400‑8, PC450‑8 |
| Type |
Multi‑way Heavy‑Duty Hydraulic Control Valve |
| Material |
High‑Strength Cast Iron, Wear‑Resistant Alloy Valve Core |
| Function |
Control Hydraulic Oil Distribution For All Excavator Working Systems |
| Application |
Komatsu Large Mining Excavator, Heavy‑Duty Construction Machinery |
| Condition |
Brand New Aftermarket Replacement |
Related Products
| Category |
Replaceable Part Numbers / Compatible Models |
| General OEM Series |
729‑14‑20100, 729‑14‑20200, 729‑14‑20300, 729‑14‑20400 |
| Compatible Excavator Models |
PC450‑8, PC400‑8, PC460‑8, PC400‑7, PC450‑7, PC490‑10, PC500‑10 |
Fitment Application
- Suitable for Komatsu PC400‑8, PC450‑8 and other same‑brand large excavators, widely used in open‑pit mining, large‑scale earthmoving, quarry operation and heavy‑duty engineering construction maintenance.





FAQ
Q1: Which excavators does this control valve fit?
A1: Specially for Komatsu PC400‑8 and PC450‑8 large excavators.
Q2: What other same‑brand excavators are compatible?
A2: Suitable for PC460‑8, PC400‑7, PC450‑7, PC490‑10, PC500‑10 Komatsu large excavators.
Q3: Can it be installed directly?
A3: OEM standard dimension, direct replacement without modification or adjustment.
Q4: Is it suitable for mining heavy‑load working conditions?
A4: Yes, heavy‑duty structure designed for open‑pit mining and long‑time continuous operation.
Q5: What is the main function?
A5: Distribute high‑pressure hydraulic oil to control all excavator working movements.