Overview
The ZF 6057.018.208 CONTROL UNIT is a critical electronic module within the WG190 series transmission, responsible for managing hydraulic pressure modulation and shift timing. Positioned on the valve body assembly, this OEM genuine part (SKU: 6057.018.208) interprets input from the transmission control module to actuate solenoids, ensuring precise gear engagement. When functioning correctly, it delivers smooth power delivery under load. This control unit is often replaced alongside the 4657101080: TRANSMISSION HOUSING and the 4657201167: HOUS.FRONT SECT during major overhauls.
Symptoms of Failure
- Erratic shifting or gear hunting: A worn control unit causes the transmission to randomly upshift or downshift, especially under moderate throttle. This “WG190 gear hunting” issue often points to solenoid driver failure within the 6057.018.208.
- Delayed engagement from Neutral to Drive: When the control unit loses calibration, operators experience a 2-3 second lag before the transmission engages. This is a common symptom of internal voltage regulator degradation.
- Transmission stuck in limp mode: The unit may force the gearbox into a single forward gear (usually 3rd) to protect internal components. This “ZF transmission limp mode” condition is frequently traced back to a faulty control unit.
- Intermittent loss of communication: Diagnostic tools may show “no communication” with the TCM, even though wiring appears intact. This indicates a short circuit inside the control unit itself.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 6057.018.208 |
| OEM Reference | ZF 6057 018 208 |
| Material | Die-cast aluminum housing with glass-filled nylon connector |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 55 mm |
| Operating Voltage | 12V DC (24V compatible with external regulator) |
| Sealing Type | Integrated O-ring gasket (replaceable) |
Compatibility
This control unit is specifically engineered for the ZF WG190 series transmission family. It is also compatible with the WG180 and WG200 models when used with the appropriate 4657201171: HOUSING REAR PART and 4657298103: HOUSING REAR SECTION. Always verify the software revision matches your vehicle’s VIN before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101080 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201167 | HOUS.FRONT SECT | Front section housing for pump and torque converter |
| 4657201171 | HOUSING REAR PART | Rear housing section supporting output shaft |
| 4657298103 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | M10 fastener for control unit mounting |
| 4656301148 | FIXING PLATE | Retaining plate for valve body alignment |
| 4657301034 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4657301035 | SCREEN SHEET | Coarse mesh pre-filter for sump pickup |
| 0636100803 | CAP SCREW | M8 fastener for screen sheet retention |
Frequently Asked Questions
Q: Can the 6057.018.208 control unit be repaired, or must it be replaced?
A: Due to the sealed epoxy construction and proprietary firmware, ZF recommends replacement rather than repair. Attempting to open the unit often damages the internal circuit board beyond salvage.
Q: How do I know if my WG190 needs a new control unit or just a software update?
A: If the transmission exhibits hard shifts only in specific gears, a software flash may suffice. However, if you observe intermittent electrical faults (e.g., dash warning lights flickering), the 6057.018.208 hardware is likely failing and requires replacement.
Q: Is the control unit interchangeable between WG190 and WG200 transmissions?
A: The physical connector is identical, but the calibration data differs. You must use the unit matched to your specific transmission series. Installing a WG190 unit into a WG200 will cause shift pattern errors.
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ZF 6057.018.208 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6057.018.208 CONTROL UNIT with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This control unit page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 6057.018.208 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024145
- Documentation reference available for RFQ review
- Illustration section: LOOSE PARTS
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 6057.018.208 |
|---|---|
| Normalized SKU | 6057018208 |
| Part name | CONTROL UNIT |
| Product category | control unit |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
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