Overview
This ZF 4657.024.047 4 WG 190 Powershift Transmission Assembly is a complete, fully assembled unit designed for heavy-duty industrial applications. As the core power transfer module in the WG 190 series, this assembly integrates the planetary gear sets, clutch packs, and hydraulic control valves required for seamless, non-stop shifting under load. The SKU 4657.024.047 is a direct replacement for worn-out units, ensuring your equipment returns to peak operational efficiency. It sits at the heart of the driveline, converting engine torque into usable wheel or implement power, and is precision-machined to interface with the TRANSMISSION HOUSING for structural integrity.
Symptoms of Failure
When the ZF 4657.024.047 assembly begins to degrade, operators often notice specific performance issues. Look for these warning signs to avoid costly downtime:
- Erratic gear engagement or slipping under load: The transmission may hesitate or fail to hold a gear when pushing heavy material, indicating worn clutch discs or hydraulic pressure loss within the unit.
- External oil leaks at the housing seams: Fluid weeping from the joint between the HOUS.FRONT SECT and the main body suggests seal failure or housing fatigue.
- Unusual grinding or whining noises: Metallic sounds during shifting often point to damaged bearings or gear teeth inside the assembly, which can lead to catastrophic failure if ignored.
- Delayed or harsh shifting: A noticeable lag or jarring sensation when changing directions or speeds signals that the internal valve body or clutch pack is compromised.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / SKU | 4657.024.047 |
| Assembly Type | Complete Powershift Transmission Unit |
| Series | WG 190 |
| Estimated Weight | 185 kg (408 lbs) |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 4 WG 190 |
| Input Torque Capacity | Approx. 1,200 Nm |
| Number of Speeds | 4 Forward / 4 Reverse |
Compatibility
This complete assembly is engineered for the ZF WG 190 series of powershift transmissions. It is directly compatible with models such as the WG 180, WG 190, and WG 200, which are commonly found in wheel loaders, forklifts, and telehandlers. The unit is designed to bolt directly to the HOUSING REAR PART and the front section, using precision alignment components like the CYLINDRICAL PIN for exact positioning. Always verify your transmission model number before installation to ensure a proper fit.
Related Components
These parts are frequently ordered alongside the ZF 4657.024.047 assembly to complete a full rebuild or repair. Each component plays a critical role in the transmission’s operation.
| Part Number | Name | Function |
|---|---|---|
| 4657101031 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4657201027 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201020 | HOUSING REAR PART | Rear casing for output components |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Retainer for internal clutch packs |
| 4657301032 | SCREEN SHEET | Filter screen for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen for oil return |
| 0636100803 | CAP SCREW | Bolt for valve body mounting |
| 4681301040 | OIL FEED.HOUSG. | Lubrication supply manifold |
Frequently Asked Questions
Q: Is the ZF 4657.024.047 a complete drop-in unit?
A: Yes, this is a fully assembled powershift transmission. It includes all internal gears, clutches, and valve bodies. You will need to transfer external components like the housing sections and pins from your old unit or order them separately.
Q: What is the typical lifespan of this assembly?
A: With proper maintenance and clean hydraulic fluid, the 4657.024.047 can last 8,000 to 12,000 operating hours. Harsh environments or heavy shock loads may reduce this interval.
Q: Can I install this unit without replacing the housing parts?
A: It is strongly recommended to inspect and replace the HOUS.FRONT SECT and HOUSING REAR PART if they show wear, as misalignment can damage the new assembly.
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Phone: +86 158 2286 3467 |
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