描述
Genuine ZF Gear Shift System 4656 159 019 (Valve Body) | Doosan Mega 300 Parts
ZF Gear Shift Valve 4656.159.019 for Liugong 888 & XCMG 890 | Genuine Parts
ZF Gear Shift Valve 4656.159.019 for Liugong 888 & XCMG 890 | Genuine Parts
ZF Gear Shift Valve 4656.159.019 for Liugong 888 & XCMG 890 | Genuine Parts
ZF Gear Shift Valve 4656.159.019 for Liugong 888 & XCMG 890 | Genuine Parts
Table of Contents:
Here is the specialized Product Detail Page for the ZF Gear Shift System (4656.159.019), specifically targeted for Liugong 888 and XCMG 890 heavy-duty wheel loaders.
Table of Contents:
Genuine ZF Gear Shift System (Control Valve) 4656.159.019
Restore the precise shifting of your Doosan Mega 300 Wheel Loader with the genuine ZF Gear Shift System (Part Number: 4656.159.019). This electro-hydraulic control unit is the “nerve center” of the ZF 4WG210 Transmission, managing clutch engagement and pressure regulation.
Unlike generic valves, this specific assembly is calibrated with unique orifice plates and 24V solenoids tailored for the Doosan (Daewoo) electronic control unit (EST-37A). Tianjin Xiaohang supplies this unit fully assembled and tested, or as individual repair components.
Condition: New / Genuine OEM
ZF Material Number: 4656.159.019
Application: ZF 4WG210 (Transmission No. 4657.054.138)
System Voltage: 24 Volt
Machine Compatibility
This valve block is NOT universal. It is specifically engineered for the following configuration:
- Vehicle: Doosan / Daewoo Mega 300 Wheel Loader
- Engine: DHIM DE08TIS
- Transmission Model: ZF 4 WG 210 (Material 4657.054.138)
Warning: Do not install this on John Deere 644H or XCMG loaders, as they use different pressure settings and wiring harnesses.
Component Breakdown (Spare Parts)
We stock the complete bill of materials for the 4656.159.019 assembly. You can order the complete unit or specific maintenance parts below:
| Part Name | Part Number | Qty Used | Notes |
|---|---|---|---|
| Valve Block (Housing) | 4656.306.170 | 1 | Main Aluminum Body |
| Proportional Solenoid | 0501.313.375 | 5 | Clutch Control (24V) |
| Pressure Regulator | 0501.314.770 | 6 | Yellow/Orange Cap |
| Wiring Harness | 4656.206.006 | 1 | Internal Ribbon Cable (Series 1) |
| Intermediate Sheet | 4656.306.180 | 1 | Separator Plate |
| Screen Filter | 0501.316.715 | 6 | Protects Solenoids |
Tech Note: This assembly also includes specific damping plates (Orifices) such as 4644.306.401 (A=0.6) and 4644.306.521 (A=0.65) to tune the shift quality. Ensure these are not lost during service.
Symptoms of Valve Failure
If your Doosan loader is experiencing the following issues, the 4656.159.019 Shift System may need replacement or repair:
- Harsh Shifting: Often caused by worn Pressure Regulators (0501.314.770) or clogged Screens (0501.316.715).
- Stuck in Neutral / Error Codes: Usually indicates a failed Proportional Solenoid (0501.313.375) or a break in the internal Wiring Harness (4656.206.006).
- Clutch Slippage: Can be caused by broken Compression Springs (e.g., 0732.042.314) inside the valve body.
Why Choose Tianjin Xiaohang?
We are your direct link to the ZF factory in China. Whether you need a single solenoid or the complete 4656.159.019 assembly, we guarantee:
- Authenticity: 100% Genuine ZF Parts.
- Speed: Same-day dispatch for Solenoids and Harnesses.
- Support: Wiring diagrams and technical advice available.
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