XE80 XE80C Main Control Valve Assy OEM Original Toshiba IB18-8027 Hydraulic Distributor Excavator Genuine Part
1. Basic Info
Part Number: IB18-8027
Product Name: Hydraulic Main Control Valve Assy / Hydraulic Distributor
Brand: XCMG
Applicable Machine: XCMG XE80, XE80C Excavator
Condition: OEM Original Toshiba IB18 Series Valve Assembly
Application: 8 Ton Excavator Central Hydraulic Distribution System
2. Core Advantages
- Original Toshiba IB18-8027 multi-way valve, perfectly tuned to match XCMG XE80 and XE80C hydraulic system parameters
- Compact integrated valve body design, responsive pilot control for delicate operations such as trenching and site leveling
- Ultra-precision ground hardened valve spool, excellent resistance to hydraulic oil impurities, greatly reducing spool sticking risks on construction sites
- Built-in boom and arm load holding valves plus shock absorption circuits, effectively avoiding boom sudden descent and buffering impact loads during frequent operation
- Standard mounting holes and oil port layout, direct bolt-on replacement, no cutting or pipe rework required for fast field installation
- Full hydraulic bench pressure inspection before delivery to guarantee stable flow output and consistent operation feedback
3. Technical Data
| Valve Model | Toshiba IB18-8027 Multi-way Main Control Valve |
|---|---|
| Matched Excavator Weight | 8 ton |
| Working Medium | Anti-wear hydraulic oil ISO VG46 |
| Main System Rated Pressure | 31 MPa |
| Overload Relief Pressure | 33.5 MPa |
| Control Type | Pilot hydraulic control |
| Integrated Functions | Boom holding valve, arm holding valve, straight travel function, overload protection, auxiliary circuit for hydraulic attachments |
| Pilot Control Pressure Range | 2.4–3.2 MPa |
| Valve Body Material | High-strength cast iron |
| Spool Material | Alloy steel with surface hardening treatment |
| Internal Components | Main relief valve, overload valves, shuttle valves, check valves, complete spool assembly |
| Design Durability | OEM standard 8,000 working hours |
| Mounting Form | Bottom flange fixed installation |
4. FAQ
Q: Can this IB18-8027 valve fit other XCMG excavator models?
A: It is specially developed for XE80 and XE80C. Not interchangeable with XE75 or XE85 models with different hydraulic piping layout.
Q: Does this main control valve assembly include all internal relief and holding valves?
A: Complete full assembly equipped with all original spools, holding valves and overload relief valves following OEM specification.
Q: What is the warranty term?
A: 12 months warranty under correct installation and normal operating conditions.
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